I'd play this tower defense game where I have to organize my city to resist zombies.
i can't understand how there hasn't been a single game for the CLI. RTS tower defense, rogue-like & dota, infocom games/caves of qud.
should run on old ThinkPads. uh, maybe you can makes it one of those Challenges @ lewd game weekend hacksaton or something!!! uuuuuh, exciting!