Searching protocol for "layer 2"
Deprecated: L2s skill moved.
Validate PRD against Layer 2 schema standards
Master 2D game systems for faster development.
Test nested skill return path
Learn in order with 4 layers.
Layer 2 scaling solutions
Master 2D game systems: sprites, tiles, physics.
Master Godot 2D collision and physics.
Master 2D game design principles.
Master 2D game development principles.
Validate PRD against 2.0 schema and EARS formatting.
Master 2D game development principles.