snakes.run: rendering 100M pixels a second over ssh
Summary
A developer describes building snakes.run, an SSH-accessible massively multiplayer snake game. The article covers server-side frame rendering, bandwidth and CPU optimizations (including VT100 diffing, 4-bit colors, and pre-allocation caches), and SSH-related tweaks to improve scalability and latency while discussing security considerations around keystroke timing obfuscation.