This is an attempt at a reasonably comprehensive list of desired gameplay features, roughly categorised and split into small sections, with links to various sources of documentation and code.

Features that are largely completed are marked like this.

"Old documentation" refers to technical documentation for the old simulation system; the new one has different features and different syntax, so use the documentation as inspiration and not specification.

• Movement
  • Components: UnitMotion, Pathfinder​
  • Old description: XML.Entity.Actions.Move
  • Walking
  • Running/charging
    • Adds combat bonus
  • Formations
    • Old description: XML:_Formation
  • Terrain conformance
    • Old description: XML.Entity.Traits.Anchor
    • Components: Position​
  • Pathfinding
    • Basic pathfinding
    • Better pathfinding
  • Ship movement
• Combat
  • Basic attacks
  • Secondary attacks
  • Projectiles
• Experience
  • Accumulating
  • Upgrading
  • Rendering
• Death
  • Corpses
• Resources
  • Auto-select nearby resources (when the currently targeted resource is exhausted)
• Building construction
  • Resource usage
  • Foundations
  • Flatten terrain
• Settlements
• Loot
• Gates
• Walls
• Garrisoning
• Training
  • Training queues
  • Rally points
• Research
  • Research queues
  • Tech effects
• Auras
  • Detect range entering/leaving
  • Modify unit stats
• Capturing
• Diplomacy
• Triggers
• Objectives
• LOS
  • Determine from units
  • Render
  • Affect pathfinding
• Forests
  • Hiding
• AI
  • Stances
  • Scouting
  • AI players
• Audio
• Hero units
• GUI
  • Health bars
  • Minimap
  • Go to hero unit
  • Go to idle worker
  • Detect combat
  • In-game manual
• Networking