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''Player actions that perform no change on the game state.''

Even if players usually need to perform various actions to reach their goals in games, sometimes the best action may be to do nothing and wait for the environment to change. These actions are called [[No-Ops]] (from the instructions from programming with the same name) but do not also be chosen by the players - they can also be forced on them as punishments for other players or as effects of the player's own actions.

=== Examples ===
Missing one or several turns in turn-based [[:Category:Board Games|Board Games]] are examples of [[No-Ops]]. This may end a turn prematurely as a penalty, as found in the ''turnover'' rules of [[Bloodbowl]] but may also refer to the next turn for the player (e.g. the effect of the ''Chivalric Knight'' card in [[Talisman]] or becoming ''Arrested'' or ''Lost in Time and Space'' in [[Arkham Horror]]). In contrast, powering down in [[RoboRally]] to repair damage is a voluntary action chosen by players.

Sneaking in [[:Category:FPS Games|First-Person Shooters]] requires periods of being still. This can for example be found in the [[Thief series]] where one needs to combines silent and careful movement with periods of inactivity to avoid detection.

== Using the pattern ==

[[No Direct Player Influence]]


[[Downtime]]

[[Turnover]]

Using the pattern

The prime design choice for No-Ops is if they are voluntary or not. Turn-Based Games can enforce players to do actions every turn in order for the game to continue and may have No-Ops as Privileged Abilities. No-Ops are also used in these games as a form of Penalty for performing Privileged Abilities. Tick-Based Games and Real-Time Games cannot require players to do actions all the time so they support voluntary No-Ops. But this is a matter of perspective, in Real-Time Games where the player's Avatar or Units move continuously, which can be described as applying The Show Must Go On on players' game elements, this can be seen as an action and players only have the choice between doing the pre-chosen action or another from a set of possible actions.

The possibility of doing No-Ops, or actions with little consequence to the overall game state, is a requirement for Camping. Similarly it is often used to allow Stealth goals.

Consequences

Extended Actions that do not have an effect on the game state before they are completed can be seen as consisting of an initiating action, several No-Ops, and a finishing action where the game state is updated.


[[Negotiation]] are examples of [[No-Ops|No-Op]] actions since they do not directly change the game state.

Taken to an extreme, [[No-Ops]] can be used to create [[No Direct Player Influence]] by simply making it the only possible 'action' in a game.

Sometimes [[No-Ops]] need to be included in games simply because players cannot do anything due to lack of the proper resources. One such example can be found in [[Dominion]] when one draws a deck consisting entirely of victory point cards since one cannot then play any action card or when one has no legal [[Capture|Captures]] to make in [[Othello]].

=== Diegetic Aspects ===

=== Interface Aspects ===
Enforced [[No-Ops]] are nearly always shown clearly to players through [[Game State Indicators]] to avoid players misplacing any frustration on a game's interface.

== Consequences ==
When [[No-Ops]] are voluntary, they widens players' [[Freedom of Choice]] and better allow the [[Timing]] of actions, for example to wait for other players to do something before acting themselves. The [[No-Ops]] that are forced upon players instead work against their [[Freedom of Choice]] and any [[Exaggerated Perception of Influence]] they might have, and having many of them consecutively may hinder reasonable waiting times. 

Forcing players to do [[No-Ops]] while noticing the action of [[Enemies]] can increase [[Tension]] but so can doing voluntary [[No-Ops]] to wait for [[Enemies]] to appear, be in the right position, or until one's [[Aim & Shoot|Aim]] has steadied. Having excessive amounts of [[No-Ops]] in a game does like any other type activity done to often negatively affect [[Varied Gameplay]].

== Relations ==
=== Can Instantiate ===
[[Freedom of Choice]], 
[[No Direct Player Influence]], 
[[Timing]]

==== with [[Aim & Shoot]] or [[Enemies]] ====
[[Tension]]

=== Can Modulate ===

=== Can Be Instantiated By ===
[[Negotiation]]

=== Can Be Modulated By ===
[[Game State Indicators]]

=== Possible Closure Effects ===

=== Potentially Conflicting With ===
[[Exaggerated Perception of Influence]], 
[[Freedom of Choice]], 
[[Varied Gameplay]]

== History ==
An updated version of the pattern ''No-Ops'' that was part of the original collection in the book ''Patterns in Game Design''<ref name="Bjork & Holopainen 2004"/>.

== References ==
<references>
<ref name="Bjork & Holopainen 2004">Björk, S. & Holopainen, J. (2004) ''Patterns in Game Design''. Charles River Media. ISBN1-58450-354-8.</ref>
</references>

== Acknowledgements ==
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