Before the iPhone existed, I worked on a few games for what were called "feature phones": Doom RPG 1&2, Orcs&Elves 1&2, and Wolfenstein RPG.
Qualcomm's native-code BREW platform had better versions, but I haven't seen any emulators and archives for it, so they may be lost at— John Carmack (@ID_AA_Carmack) May 19, 2021
Advertisement