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game design · state machines · software development

Game Session Lifecycle

Type State diagramStandard OMG UML 2.5.1 §14 + Harel (1987) statechartEngine schematex-stateUpdated 5/27/2026
Game Session Lifecycle
Drawing preview
The request

“Draw a game session lifecycle with idle, matchmaking, waiting for players, readiness check, a nested in-game sequence, ended state and a timeout from matchmaking back to idle.”

Then tryAdd a reconnecting state during the game.Change the matchmaking timeout to 90 seconds.
What is in this drawing

Read the decisions behind it.

01

Using composite state 'InGame' to encapsulate playing phases

02

Choice node for player readiness before starting game

03

Timeout handling returns to Idle if no match found

Use for any game or interactive application needing clear session state management.

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