Game design Mack Flavelle
Machines, scenery and props Kenney: Car Kit, Factory Kit, Platformer Kit, Survival Kit and City Kits (CC0, kenney.nl)
Levels and the moving parts no kit has built with Claude Code
Sound Sonniss GDC bundles: Bluezone, George Karagioules, 3maze, Cinematic Sound Design, Chris Logsdon, Double Trouble Audio, SoundHolder, Eneas Mentzel, Matt Script, Sounds Great, Shapeforms, SoundBits, InspectorJ and Monte Sound
Type Fredoka by Milena Brandão and Hafontia; Space Grotesk by Florian Karsten (SIL Open Font License)
Code three.js by mrdoob and contributors (MIT); tally by Dan Viau (MIT)