Impressed that you got a “3D” game into this 2D resolution, ray casting FTW. Props for sharing the code, I was surprised to see the maps were just an array of 1s and 0s, clever. Also +1 for the Linux build, and cool that you capped the FPS at 30, it gave the game an authentic Nokia 3310 feel. It was a bit unintuitive to know whether you’re succeeding in the fight or not, but generally it was a pretty well done game, respect!
Ok 2 things: playing it in this small resolution was nice but an option for fullscreen or resizable window would’ve been nicer, also I couldn’t find a way to quit the game from within it, I had to alt-Tab out and ctrl-C the process.