Here’s a rough roadmap leading up to alpha:

Unreleased

0.8.0-pre-alpha

• Movement smoothing, so transitions happen over time
• Animation support for movement, spawning and despawning
• Multiplayer support
• Different camera modes
• Finish refactoring and cleanup

0.9.0-pre-alpha

• UI for drawing the map and controlling the simulation (start, pause, speed)

1.0.0-pre-alpha

• UI for creating and editing rules

0.1.0-alpha

• Final sprites and sfx
• Save and load games
• Six example games (knockout, invaders, pacman, boulderdash, bomberman, sokhoban)

0.2.0-alpha

• Polish, bugfix, optimize
• Promotional video launched

Released

0.1.0-pre-alpha

• just get something up-and-running, rendering random tiles

0.2.0-pre-alpha

• draw rocks and trees, and implement an action to make rocks fall downwards

0.2.1-pre-alpha

• implement rules, and use these to drive behaviour
• support rendering playfields of different dimensions

0.3.0-pre-alpha

• rules to make the rock fall to the left or right
• conflict resolution algorithm

0.4.0-pre-alpha

• Symmetry
• Rules for monsters that leave dirt trails
• Rules for Conway’s Life
• Support variable speed rules

0.5.0-pre-alpha

• Add pre-conditions as rules
• Support control pad input as a pre-condition
• Rules to move a player around

0.6.0-pre-alpha

• Add events to rules, that fire when the rule activates
• Add sound effects as an event type
• Add sounds to the existing rules
• Implement a simple camera system, allowing zoom and centering on an entity

0.7.0-pre-alpha

• Add a level select menu, with multiple levels to test different rule types
• Experiment with look-ahead, whereby additional rules may activate based on current activations
• Refactor the automata engine to make it driven by Flecs