Unfamiliar but probably System/34 or System/36 running SSP (System Support Program) with IBM 5250 series terminals. Unsure about the games. Here’s an early lun

Unfamiliar but probably System/34 or System/36 running SSP (System Support Program) with IBM 5250 series terminals. Unsure about the games. Here’s an early lunar lander: https://www.cs.brandeis.edu/~storer/LunarLander/LunarLander.html https://www.cs.brandeis.edu/~storer/LunarLander/LunarLander.... Another Lunar version: https://undefinedvalue.com/lunar-for-c-and-rust.html https://undefinedvalue.com/lunar-for-c-and-rust.html System/36 guide: https://archive.org/details/bitsavers_ibmsystem3rogrammingWithRPGII198610_92297961/page/n6/mode/1up https://archive.org/details/bitsavers_ibmsystem3rogrammingWi... Possible source for games in David H. Ahl in his book 101 BASIC Computer Games.