Graphing calculator games have a long, fascinating history - Polygon
Tetris For Your TI-83/84 Calculator! - YouTube
Running Doom on a Calculator! TI-83 Plus Games Tutorial - YouTube
TI-85 - Wikipedia
TI-86 - Wikipedia
Do ZShell games on my high school TI-85 count? : r/retrogaming
Stealth Gaming
TI-73 series - Wikipedia
TI 85 Online Calculator
Tic-Tac-Toe On The TI-85 - YouTube
TI-85 - ticalc.org
Drug Wars, TI-86 style
Amazon.com: XANAD Hard Calculator Case for Texas Instruments TI-84 Plus CE/ TI-84 Plus/TI-Nspire CX II CAS/TI-Nspire CX II/TI-83 Plus/TI-89 Titanium/TI- 85 / TI-86 Color Graphing Calculator : Video Games