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Heck, even in 2005 Snake was all I had on my TI-84 Plus. (Not the CE, just the plain old 1-bit display version.)

And it was a version of Snake that I’d written myself, in TI-BASIC and I used some kind of matrix to store the segments of the snake and when the snake grew in length the operations to move the snake around took more and more time. Until eventually it crashed.

It was, admittedly not the greatest Snake game ever. It may even have been one of the worst ever. But it my Snake and that made it okay

There were a ton of games already available on TI-84 Plus because the ones from TI-83 ran on it. ticalc.org had a ton of them.

I feel bad that you didn't know about https://www.ticalc.org/ . Kids in my class would have loved to have a TI-89 instead of a TI-83, since there were so many better games for it.

There were some great games for the TI-85 (and later the TI-83) written in Z80 assembly. Certainly things much better than snake. Someone needed a PC link cable to get it on, but then you could send from one calculator to another with just the link cable included in the box. None would have worked on the 92 or 89 which used a different CPU.

[edit]

For TI-89 games see e.g. https://www.ticalc.org/archives/files/fileinfo/261/26100.htm...