Creating Digitanks, an artillery-based strategy game with three game modes, online/hotseat multiplayer.
Building a complete game engine from scratch in C++: physics, scene management, rendering, UI, networking.
Designing and selling the AO/Normal map generator SMAK! with realtime 3D preview.
Developing and coordinating the "Socks" indie game bundle.

Improving the user interface and usability of Blender.

Working on many projects, including stock market analysis software, embedded medical systems, and web designs, using C/C++, PHP, C#, Java, and Python.

Designing and building a multiplayer FPS/RPG using the Source engine, in C++.
Implementing realtime multiplayer melee vs magic vs firearms mechanics.
Coordinating a team of ten artists, composers, animators, and level designers.

Developing new version of SAP's IPRO procurement tool in C++.
Programming, packaging, releasing and supporting XVT, a cross-platform GUI toolkit, using C/C++.
Maintaining company website and network.

Developing, designing, Linux builds, community management, packaging and release of two versions (2.1, 3.0).
Game doubled in growth after 2.1 with more than 10,000 total players at its peak.