Thursday, 25 October 2012

Infinitely Repeatable Core Compulsion Loops


The building blocks of addictive gaming

How are Modern Warfare 2 and Angry Birds alike?  Answer: each game is built upon a simple and tactile core compulsion loop as the fundamental building block of game play.  Both games require you, as the player, to repeat the same action over and over.  It's an action that is inherently pleasing to perform, and provides a satisfying outcomes or outcomes that makes you want to repeat the experience ad infinitum.  The result? A game that you literally can't stop playing.

Example A.) Modern Warfare
Lock-on targeting and headshot kill


Example B.) Angry Birds
Pull and release slingshot and physics-based destruction


In the case of Example A.) The auto target and headshot, the action is perfectly mapped to the controls of the Xbox 360 (or PS3) controller.  Navigate your targeting reticule into the general vicinity of your right Thumbstick. Pull Left Trigger, and the reticule snaps to the head of said target.  Pull Right Trigger to fire away, with satisfying haptic feedback to simulate recoil. Target disappears in a mist of red, and crumples, falls, or flies backwards.  Even when playing enemy AI, the simulated “kill” is visceral, immediate and addictively repeatable.

Example B.) is less bloody, but no less genius in its use of the touch screen interface.   Place finger on bird, bull back (with delightful corresponding stretching sound effect).  Gauge angle and distance to target, then release.  Upon impact, a surprising real physics (not scripted) cause and effect, with blocks shaking or falling, and occasionally crushing pig target or targets.

In both examples, there is a goal state – kill the bad guy before he gets you, demolish the pig(s) -- that is solved by successfully performing this action.  Yet regardless of outcome, the act itself has been engineered to be inherently pleasing.  The result: a building block of addictive interactive experience, where, thanks to a deceptively simple seeming mechanic, even failure results in an enjoyable moment of play.

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