Tetris made for the CE graphic calculators, compatible with the TI-83 Premium CE.
Precompiled binaries can be found here.
Make sure you have the CE toolchain installed. If you are on macOS 10.15+, you must compile the LLVM version yourself here.
First clone the repository:
$ git clone https://github.com/samipourquoi/ce-tetris.git
$ cd ce-tetris
Then, run this command to compile:
$ make
The binaries will be at bin/TETRIS.8xp
. Use TI Connect CE to send it to your CE, or use an emulator such as CEmu.