Block Chain

Your goal: match five of the same symbol in a horizontal line. Move with WASD, and rotate left or right with Q or E. This is a game that runs on a PC, but not under Windows or Linux. It is a boot-sector game. The computer can directly boot the game with no OS at all!  There are plenty of ways you can run the game: DOSBox: "BOOT blockchain.bin". From the command-line: dosbox -c 'boot blockchain…