I wrote my own pac man like game on my ti-82 in calculus class. Not very fast, very simple maze, difficulty adjusted by delaying the bad guys move with a timer. I had never heard of assembly back then…it was all TI built in basic commands.
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If you like TI games...ticalc has a ton. Started looking for games after I used Claude to build something in TI basic. I never learned it well enough to build my own game though!