Apps
Interactive applications and tools for various tasks.
Marbles
Continuous physics sandbox — marbles falling through ramps. Foundation for a contraption-building app.
Falling Sand
Interactive physics simulation with sand, water, oil, fire, and more
Primordial Ooze
Ambient artificial-life aquarium with three ecosystems: reaction-diffusion garden, evolving swarm broth, and tidal drift.
Colony
A living insect colony excavates chambers, carries every grain, survives disasters, and mutates its architecture.
Calculator
Standard, Scientific, and RPN modes. Keyboard-driven, with a persistent mode preference.
German
Multiple-choice flashcards for common German vocabulary. Tracks stats locally.
German States
Practice Bundesländer, capitals, and German/English state-name translations.