Archipelago Multi-Game Randomizer and Server
CTFs as you need them
Code for Cicero, an AI agent that plays the game of Diplomacy
Arianne is an engine to develop multiplayer online games like Stendhal
An in-progress 2D tactical RPG
Air traffic control tower and radar simulator (solo + multi-player)
A tool to help unlock the Hydra in Inscryption
Small cube game
A Pygame RPG
Open Source Breakout Clone