In general, they don't. However, all the best assembly games have been ported over to the other calculators. (ZTetris, for example, has a version for every model.) Emulation is also possible, both ASE and Rascal for the TI-86 are able to run assembly games from the TI-85. >thanks. the reason i was asking is because i wanted to know if progs/games >from a different calc would work on mine.