Difference between revisions of "Combos"

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== Using the pattern ==
 
== Using the pattern ==
The original use of [[Combos]] in [[Real-Time Games]] required [[Timing]] and this has continued to be used heavily in for example games using [[Rhythm-Based Actions]] ([[Dance Dance Revolution series]] and the [[Rock Band series]]), but the pattern can be used more generalized in [[Turn-Based Games]] or simply any game where players need to create specific contexts, e.g. positioning [[Units]] in certain spatial configurations or simply which to bring them to game instances using [[Heterogeneous Game Element Ownership]]). The collection of [[Sets]] can be seen as [[Combos]] of actions that each fulfill a [[Gain Ownership]] goal.
+
[[Combos]] are [[Abilities]] that are created by the combinations of other [[Abilities]]. The original use of [[Combos]] in [[Real-Time Games]] required [[Timing]] and this has continued to be used heavily in for example games using [[Rhythm-Based Actions]] ([[Dance Dance Revolution series]] and the [[Rock Band series]]), but the pattern can be used more generalized in [[Turn-Based Games]] or simply any game where players need to create specific contexts, e.g. positioning [[Units]] in certain spatial configurations or simply which game elements to bring to game instances of games using [[Heterogeneous Game Element Ownership]]. A general form of [[Combos]] possible in [[Turn Taking]] games is when players can manipulate the turn order so that they get two or more turns after each other with no other players' turn in between; [[Flip-Flop Events]] is a special case of this when a player gets the last turn in one round and then the first in the next. The collection of [[Sets]] can be seen as [[Combos]] of actions that each fulfill a [[Gain Ownership]] goal, while allowing multiple [[Tools]] to be used together can also provide [[Combos]]. [[Repeat Combos]] show that [[Combos]] can be created from simply requiring players to repeat the same action several times within a given [[Time Limits|Time Limit]].
  
The design of [[Combos]] includes deciding if they should provide additional effects or simply modify the already existing effects, how complex they should be to perform and if their execution can be affected by others. [[Combos]] can simply modify original [[Rewards]] and [[Penalties]] through growing [[Geometric Progression]] or introduce new [[Rewards]] and [[Penalties]] through [[Discontinuous Progression]]. [[Combos]] are often used to provide [[Privileged Abilities]], either as an additional [[Reward]] or as a way to provide [[Orthogonal Unit Differentiation]] - the latter especially common in [[Combat]] activities in [[Real-Time Games]] such as the [[Tekken series]]. While [[Combat]] [[Combos]] often affect how [[Damage]] is dealt, it can have other effects such as introducing [[Movement Limitations]] (being 'slowed') or [[Downtime]] (being 'stunned'). Other type of actions commonly associated with [[Combos]] are [[Capture]] (e.g. [[Bejeweled]] and [[Hnefatafl]]), [[Movement]] usually not possible (e.g. [[Super Mario 64]] or [[Quake]]), and [[Construction]]. [[Combos]] can also be created by letting players set up the effects of actions or events so that the coincide; adding [[Development Time]] or other [[Delayed Effects]] which players know when they occur makes this possible.  
+
The design of [[Combos]] includes deciding if they should provide additional effects or simply modify the already existing effects, how complex they should be to perform and if their execution can be affected by others. [[Combos]] can simply modify original [[Rewards]] and [[Penalties]] through growing [[Geometric Progression]] (especially when combined with [[Positive Feedback Loops]]) or introduce new [[Rewards]] and [[Penalties]] through [[Discontinuous Progression]]. [[Combos]] are often used to provide [[Privileged Abilities]], either as an additional [[Rewards|Reward]] or as a way to provide [[Orthogonal Differentiation]] - the latter especially common in [[Combat]] activities in [[Real-Time Games]] such as the [[Tekken series]]. While [[Combat]] [[Combos]] often affect how [[Damage]] is dealt, it can have other effects such as introducing [[Movement Limitations]] (being 'slowed') or [[Downtime]] (being 'stunned'). Other type of actions commonly associated with [[Combos]] are [[Capture]] (e.g. [[Bejeweled]] and [[Hnefatafl]]), [[Movement]] usually not possible (e.g. [[Super Mario 64]] or [[Quake]]), and [[Construction]]. [[Combos]] can also be created by letting players set up the effects of actions or events so that the coincide; adding [[Development Time]] or other [[Delayed Effects]] which players know when they occur makes this possible if they can try [[Timing]] their actions so they support each other. The presence or non-presence of [[Area Control]] in a game design affect [[Combos]] that depend on [[Units]] or several [[Avatars]] performing actions in relation to their locations.
  
[[Combos]] do not need to provide [[Rewards]] that directly affect gameplay. The most obvious choice is to modify how to add to the [[Score]] players are receiving, but [[Goal Achievements]] is another option.
+
[[Combos]] do not need to provide [[Rewards]] that directly affect gameplay. The most obvious choice is to modify how to add to the [[Scores|Score]] players are receiving, but [[Goal Achievements]] is another option.
  
 
While the number of possible [[Combos]] can create [[Complex Gameplay]], the complexity of performing the [[Combos]] that exist can be used to create both [[Complex Gameplay]] and [[Challenging Gameplay]]. While all [[Combos]] can be as complex as game designers wish them to be, those based upon growing [[Geometric Progression]] can allow players to succeed with variously long [[Combos]] and thereby provide [[Smooth Learning Curves]].  
 
While the number of possible [[Combos]] can create [[Complex Gameplay]], the complexity of performing the [[Combos]] that exist can be used to create both [[Complex Gameplay]] and [[Challenging Gameplay]]. While all [[Combos]] can be as complex as game designers wish them to be, those based upon growing [[Geometric Progression]] can allow players to succeed with variously long [[Combos]] and thereby provide [[Smooth Learning Curves]].  
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The simplest form of making [[Combos]] possible to affect by others is through [[Interruptible Actions]]. For [[Multiplayer Games]], the additional possibility of [[Collaborative Actions]] become possible since all these are forms of [[Combos]], and [[Team Combos]] can be used to require participation by several players.
 
The simplest form of making [[Combos]] possible to affect by others is through [[Interruptible Actions]]. For [[Multiplayer Games]], the additional possibility of [[Collaborative Actions]] become possible since all these are forms of [[Combos]], and [[Team Combos]] can be used to require participation by several players.
  
As some of the examples mentioned show, [[Combos]] can happen accidentally from a design perspective, but from the players' perspective this is more likely to be perceive as [[Emergent Gameplay]] and as a consequence this can be introduced into games to make [[Combos]] more likely to appear. Given that [[Construction]] easily can provide many possible permutations, this pattern is especially likely to generate [[Combos]]. Although possible to counter by [[Evolving Rule Sets]], [[Combos]] can easily occur from these as well due to the cumulative risk of unexpected effects in the design.
+
As some of the examples mentioned show, [[Combos]] can happen accidentally from a design perspective, but from the players' perspective this is more likely to be perceive as [[Emergent Gameplay]] and as a consequence this can be introduced into games to make [[Combos]] more likely to appear. Given that [[Construction]] easily can provide many possible permutations, this pattern is especially likely to generate [[Combos]]. A classic example of [[Combos]] from military history is surprising an enemy by attacking from two directions at once, and games can make this possible to happen through providing [[Flanking Routes]]. Another common case of emerging [[Combos]] are found in games using [[Cards]] with specific rules on each [[Cards|Card]] (such as most [[Collectible Card Games]]). [[Deck Building]] and [[Pre-Customized Decks]] allow players to try and build decks with increased chances for particular [[Combos]]. Although possible to counter by [[Evolving Rule Sets]], [[Combos]] can easily occur from these as well due to the cumulative risk of unexpected effects in the design.
  
 
=== Interface Aspects ===
 
=== Interface Aspects ===
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== Consequences ==
 
== Consequences ==
[[Combos]] are examples of [[Extended Actions]] that require [[Timing]] to be successfully executed. Being able to perform [[Combos]] can be a goal in itself as it is actually a [[Configuration]] of actions - and this becomes especially true when they provide [[Goal Achievements]] (as in the ''Doctor'' [[Achievements|Achievement]] in [[Assassin's Creed 2]]). Games where players know that [[Combos]] exist but are not provided with instructions on how to perform them, i.e. those that have [[Hidden Rules]], encourages them to do [[Experimenting]]. In these games, knowing how to perform the [[Combos]] is [[Strategic Knowledge]] and can be shared as [[Extra-Game Actions]].
+
[[Combos]] are [[Abilities]] that are created by the combinations of other [[Abilities]]. Finding the time and context to perform [[Combos]] may require [[Tactical Planning]], and [[Combos]] are often examples of [[Extended Actions]] that require [[Timing]] to be successfully executed. [[Combos]] based on [[Timing]] in [[Real-Time Games]] typically create [[Clickability]] as long as feedback is given on the progress of succeeding with the [[Combos]].  
  
As mentioned above, [[Combos]] can give rise to [[Complex Gameplay]] and [[Challenging Gameplay]] and due to this the ability to execute [[Combos]] is a typically display of [[Game Mastery]]. A flip side of this is that [[Combos]] can cause issues regarding [[Player Balance]] due to them often having growing [[Geometric Progression|Geometric]] or [[Discontinuous Progression]]. For [[Turn-Based Games]], the possibility to be able to plan for [[Combos]] can also cause [[Analysis Paralysis]].
+
Being able to perform [[Combos]] can be a goal in itself as it is actually a [[Configuration]] of actions - and this becomes especially true when they provide [[Goal Achievements]] (as in the ''Doctor'' [[Achievements|Achievement]] in [[Assassin's Creed 2]]). Games where players know that [[Combos]] exist but are not provided with instructions on how to perform them, i.e. those that have [[Hidden Rules]], encourages them to do [[Experimenting]]. This can also be encouraged in games where [[Construction]] can lead to emergent effects. In these games, knowing how to perform the [[Combos]] is [[Strategic Knowledge]], a sign of [[Gameplay Mastery]], and the knowledge can be shared as [[Extra-Game Actions]].
  
For games with [[Heterogeneous Game Element Ownership]], [[Combos]] are likely to occur if not all game elements have the same gameplay functionality and these [[Combos]] give rise to [[Strategic Planning]] on identifying which exist and how to make use of them. The [[Strategic Knowledge]] developed in this manner is a likely source for [[Trans-Game Information]] exchange between players.
+
As mentioned above, [[Combos]] can give rise to [[Complex Gameplay]] and [[Challenging Gameplay]] and due to this the ability to execute [[Combos]] is a typically display of [[Gameplay Mastery]]. A flip side of this is that [[Combos]] can cause issues regarding [[Player Balance]] due to them often having growing [[Geometric Progression|Geometric]] or [[Discontinuous Progression]]. For [[Turn-Based Games|Turn-Based]] [[Multiplayer Games]], the possibility to be able to plan for [[Combos]] can also cause [[Analysis Paralysis]].
 +
 
 +
For games with [[Heterogeneous Game Element Ownership]], [[Combos]] are likely to occur if not all game elements have the same gameplay functionality and these [[Combos]] give rise to [[Strategic Planning]] on identifying which exist and how to make use of them. The [[Strategic Knowledge]] developed in this manner is a likely source for [[Trans-Game Information]] exchange between players. [[Gameplay Engines]] is basically [[Abstract Player Constructs]] created to allow [[Combos]], or increase the possibility for [[Combos]] up to the point were they occur continuously.
  
 
[[Combos]] can create [[Player/Character Skill Composites]] since the performance of actions may be influenced by [[Characters]] but performing them so that [[Combos]] occur may be a player skill.
 
[[Combos]] can create [[Player/Character Skill Composites]] since the performance of actions may be influenced by [[Characters]] but performing them so that [[Combos]] occur may be a player skill.
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== Relations ==
 
== Relations ==
 
=== Can Instantiate ===
 
=== Can Instantiate ===
 +
[[Abilities]],
 
[[Challenging Gameplay]],  
 
[[Challenging Gameplay]],  
 
[[Complex Gameplay]],  
 
[[Complex Gameplay]],  
 
[[Configuration]],  
 
[[Configuration]],  
 
[[Extended Actions]],  
 
[[Extended Actions]],  
[[Orthogonal Unit Differentiation]],  
+
[[Gameplay Engines]],  
 
[[Player/Character Skill Composites]],  
 
[[Player/Character Skill Composites]],  
 
[[Privileged Abilities]],  
 
[[Privileged Abilities]],  
 +
[[Tactical Planning]]
  
 
==== with [[Challenging Gameplay]] or [[Complex Gameplay]] ====
 
==== with [[Challenging Gameplay]] or [[Complex Gameplay]] ====
[[Game Mastery]]
+
[[Gameplay Mastery]]
 +
 
 +
==== with [[Construction]] ====
 +
[[Experimenting]],
 +
[[Gameplay Mastery]]
  
 
==== with [[Geometric Progression]] ====
 
==== with [[Geometric Progression]] ====
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[[Strategic Knowledge]], [[Strategic Planning]], [[Trans-Game Information]]
 
[[Strategic Knowledge]], [[Strategic Planning]], [[Trans-Game Information]]
  
==== with [[Turn-Based Games]] ====
+
==== with [[Real-Time Games]] and [[Timing]] ====
 +
[[Clickability]]
 +
 
 +
==== with [[Multiplayer Games]] and [[Turn-Based Games]] ====
 
[[Analysis Paralysis]]
 
[[Analysis Paralysis]]
  
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[[Damage]],
 
[[Damage]],
 
[[Movement]],
 
[[Movement]],
[[Score]]
+
[[Scores]]
  
 
=== Can Be Instantiated By ===
 
=== Can Be Instantiated By ===
 +
[[Abilities]],
 +
[[Cards]],
 
[[Collaborative Actions]],  
 
[[Collaborative Actions]],  
 +
[[Collectible Card Games]],
 
[[Construction]],
 
[[Construction]],
 
[[Discontinuous Progression]],  
 
[[Discontinuous Progression]],  
 
[[Emergent Gameplay]],  
 
[[Emergent Gameplay]],  
 
[[Evolving Rule Sets]],  
 
[[Evolving Rule Sets]],  
 +
[[Flanking Routes]],
 +
[[Flip-Flop Events]],
 
[[Geometric Progression]],  
 
[[Geometric Progression]],  
 
[[Heterogeneous Game Element Ownership]],  
 
[[Heterogeneous Game Element Ownership]],  
 +
[[Repeat Combos]],
 
[[Rhythm-Based Actions]],  
 
[[Rhythm-Based Actions]],  
 
[[Sets]],  
 
[[Sets]],  
 
[[Team Combos]],  
 
[[Team Combos]],  
 +
[[Timing]],
 +
[[Tools]],
 +
[[Turn Taking]],
 
[[Units]]
 
[[Units]]
  
[[Timing]] together with [[Delayed Effects]] or [[Development Time]]
+
[[Delayed Effects]] or [[Development Time]] if used together with [[Timing]]
  
 
==== with [[Progress Indicators]] ====
 
==== with [[Progress Indicators]] ====
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=== Can Be Modulated By ===
 
=== Can Be Modulated By ===
 +
[[Area Control]],
 +
[[Deck Building]],
 
[[Hidden Rules]],  
 
[[Hidden Rules]],  
 
[[Interruptible Actions]],  
 
[[Interruptible Actions]],  
 +
[[Pre-Customized Decks]],
 
[[Progress Indicators]],  
 
[[Progress Indicators]],  
 
[[Timing]]
 
[[Timing]]

Latest revision as of 13:03, 6 September 2016

Sets of actions that trigger additional effects than those that occur due to the individual actions.

Combos are a sequence of actions that due to the order or configuration they are performed in trigger additional effects. The sequence of actions performed to create the effect can be seen as an action in itself, although more complex than ordinary actions and possibly interruptible even when the actions it consists of are not.

Examples

Fighting games such those in the Tekken series and Street Fighter series have only a few basic actions but by heavy use of Combos each character in the game can have the number of possible actions increased by an order of magnitude. The first of these Combos (in Street Fighter II) was due to programming feature but left in as a hidden possibility[1]. That the fighting theme is not an essential aspect of Combos can easily be seen through the very similar actions needed to be taken in Dance Dance Revolution series and the Rock Band series).

The height of jumps many of the games in the Super Mario series since Super Mario 64 can be extended considerably by pressing the jump button twice, resulting in a double jump. This maneuver is founded in several other games, e.g. as a special ability for the Scout class in the second installment in the Team Fortress series. Rocket Jumping[2] is a similar technique based on jumping while shooting rockets at the floor below oneself, and was an emergent feature in the Quake game.

To receive the Doctor achievement in Assassin's Creed 2 players have to first poisoned a non-player character and then successfully performing an air assault on the same character.

Combos do not need to rely on timing moves in a game. The capturing method of Custodianship in Hnefatafl can be seen as a Combo since it require two different piece to flank an enemy piece. When making one line of gems disappear in Bejeweled causes another to disappear, this is also seen as a Combo - players can plan for these and are motivate by the game system providing additional rewards for them. Many of the powers in the fourth version of the role-playing game Dungeons & Dragons allow players to build strategy on possible Combos, e.g. making use of giving enemies vulnerabilities or setting up for attacks of opportunity.

Using the pattern

Combos are Abilities that are created by the combinations of other Abilities. The original use of Combos in Real-Time Games required Timing and this has continued to be used heavily in for example games using Rhythm-Based Actions (Dance Dance Revolution series and the Rock Band series), but the pattern can be used more generalized in Turn-Based Games or simply any game where players need to create specific contexts, e.g. positioning Units in certain spatial configurations or simply which game elements to bring to game instances of games using Heterogeneous Game Element Ownership. A general form of Combos possible in Turn Taking games is when players can manipulate the turn order so that they get two or more turns after each other with no other players' turn in between; Flip-Flop Events is a special case of this when a player gets the last turn in one round and then the first in the next. The collection of Sets can be seen as Combos of actions that each fulfill a Gain Ownership goal, while allowing multiple Tools to be used together can also provide Combos. Repeat Combos show that Combos can be created from simply requiring players to repeat the same action several times within a given Time Limit.

The design of Combos includes deciding if they should provide additional effects or simply modify the already existing effects, how complex they should be to perform and if their execution can be affected by others. Combos can simply modify original Rewards and Penalties through growing Geometric Progression (especially when combined with Positive Feedback Loops) or introduce new Rewards and Penalties through Discontinuous Progression. Combos are often used to provide Privileged Abilities, either as an additional Reward or as a way to provide Orthogonal Differentiation - the latter especially common in Combat activities in Real-Time Games such as the Tekken series. While Combat Combos often affect how Damage is dealt, it can have other effects such as introducing Movement Limitations (being 'slowed') or Downtime (being 'stunned'). Other type of actions commonly associated with Combos are Capture (e.g. Bejeweled and Hnefatafl), Movement usually not possible (e.g. Super Mario 64 or Quake), and Construction. Combos can also be created by letting players set up the effects of actions or events so that the coincide; adding Development Time or other Delayed Effects which players know when they occur makes this possible if they can try Timing their actions so they support each other. The presence or non-presence of Area Control in a game design affect Combos that depend on Units or several Avatars performing actions in relation to their locations.

Combos do not need to provide Rewards that directly affect gameplay. The most obvious choice is to modify how to add to the Score players are receiving, but Goal Achievements is another option.

While the number of possible Combos can create Complex Gameplay, the complexity of performing the Combos that exist can be used to create both Complex Gameplay and Challenging Gameplay. While all Combos can be as complex as game designers wish them to be, those based upon growing Geometric Progression can allow players to succeed with variously long Combos and thereby provide Smooth Learning Curves.

The simplest form of making Combos possible to affect by others is through Interruptible Actions. For Multiplayer Games, the additional possibility of Collaborative Actions become possible since all these are forms of Combos, and Team Combos can be used to require participation by several players.

As some of the examples mentioned show, Combos can happen accidentally from a design perspective, but from the players' perspective this is more likely to be perceive as Emergent Gameplay and as a consequence this can be introduced into games to make Combos more likely to appear. Given that Construction easily can provide many possible permutations, this pattern is especially likely to generate Combos. A classic example of Combos from military history is surprising an enemy by attacking from two directions at once, and games can make this possible to happen through providing Flanking Routes. Another common case of emerging Combos are found in games using Cards with specific rules on each Card (such as most Collectible Card Games). Deck Building and Pre-Customized Decks allow players to try and build decks with increased chances for particular Combos. Although possible to counter by Evolving Rule Sets, Combos can easily occur from these as well due to the cumulative risk of unexpected effects in the design.

Interface Aspects

Games can make use of Progress Indicators to support players in learning Combos or to support Hovering Closures.

Consequences

Combos are Abilities that are created by the combinations of other Abilities. Finding the time and context to perform Combos may require Tactical Planning, and Combos are often examples of Extended Actions that require Timing to be successfully executed. Combos based on Timing in Real-Time Games typically create Clickability as long as feedback is given on the progress of succeeding with the Combos.

Being able to perform Combos can be a goal in itself as it is actually a Configuration of actions - and this becomes especially true when they provide Goal Achievements (as in the Doctor Achievement in Assassin's Creed 2). Games where players know that Combos exist but are not provided with instructions on how to perform them, i.e. those that have Hidden Rules, encourages them to do Experimenting. This can also be encouraged in games where Construction can lead to emergent effects. In these games, knowing how to perform the Combos is Strategic Knowledge, a sign of Gameplay Mastery, and the knowledge can be shared as Extra-Game Actions.

As mentioned above, Combos can give rise to Complex Gameplay and Challenging Gameplay and due to this the ability to execute Combos is a typically display of Gameplay Mastery. A flip side of this is that Combos can cause issues regarding Player Balance due to them often having growing Geometric or Discontinuous Progression. For Turn-Based Multiplayer Games, the possibility to be able to plan for Combos can also cause Analysis Paralysis.

For games with Heterogeneous Game Element Ownership, Combos are likely to occur if not all game elements have the same gameplay functionality and these Combos give rise to Strategic Planning on identifying which exist and how to make use of them. The Strategic Knowledge developed in this manner is a likely source for Trans-Game Information exchange between players. Gameplay Engines is basically Abstract Player Constructs created to allow Combos, or increase the possibility for Combos up to the point were they occur continuously.

Combos can create Player/Character Skill Composites since the performance of actions may be influenced by Characters but performing them so that Combos occur may be a player skill.

Relations

Can Instantiate

Abilities, Challenging Gameplay, Complex Gameplay, Configuration, Extended Actions, Gameplay Engines, Player/Character Skill Composites, Privileged Abilities, Tactical Planning

with Challenging Gameplay or Complex Gameplay

Gameplay Mastery

with Construction

Experimenting, Gameplay Mastery

with Geometric Progression

Smooth Learning Curves

with Hidden Rules

Extra-Game Actions, Experimenting, Strategic Knowledge

with Heterogeneous Game Element Ownership

Strategic Knowledge, Strategic Planning, Trans-Game Information

with Real-Time Games and Timing

Clickability

with Multiplayer Games and Turn-Based Games

Analysis Paralysis

Can Modulate

Combat, Construction, Damage, Movement, Scores

Can Be Instantiated By

Abilities, Cards, Collaborative Actions, Collectible Card Games, Construction, Discontinuous Progression, Emergent Gameplay, Evolving Rule Sets, Flanking Routes, Flip-Flop Events, Geometric Progression, Heterogeneous Game Element Ownership, Repeat Combos, Rhythm-Based Actions, Sets, Team Combos, Timing, Tools, Turn Taking, Units

Delayed Effects or Development Time if used together with Timing

with Progress Indicators

Hovering Closures

Can Be Modulated By

Area Control, Deck Building, Hidden Rules, Interruptible Actions, Pre-Customized Decks, Progress Indicators, Timing

Possible Closure Effects

Capture, Downtime, Goal Achievements, Movement Limitations, Penalties, Rewards

Potentially Conflicting With

Player Balance

History

A revised version of the pattern in the original collection in the book Patterns in Game Design[3].

References

  1. Wikipedia entry for Combo.
  2. Wikipedia entry for Rocket jumping.
  3. Björk, S. & Holopainen, J. (2004) Patterns in Game Design. Charles River Media. ISBN1-58450-354-8.