FTL and Into The Breach are made by two developers, Justin and Matt of Subset Games. Woz wrote all the Apple I and II software. Cave Story, a metroidvania sti

FTL and Into The Breach are made by two developers, Justin and Matt of Subset Games. Woz wrote all the Apple I and II software. Cave Story, a metroidvania still actively ported to new platforms today. Doom had a very small team, Carmack doing most/all of the engine work. Dwarf Fortress is by two developers, and simulates its environment down to a very precise level of detail. Many more here: https://www.reddit.com/r/programming/comments/6u4pn/what_successful_software_projects_are_oneman/ https://www.reddit.com/r/programming/comments/6u4pn/what_suc...