S
- Sarien, NAGI, MEKA, DAGII, and JAGI for Sierra adventure games using the AGI engine. Sarien project assimilated by ScummVM.
- SCSharp for StarCraft
- ScummVM is a collection of engines for a multitude of adventure games, including AGI, Cinématique, Gob, Groovie, Kyra, MADE, M4, Parallaction, SCI, SCUMM and others, in addition to a few source ports.
- Sing, a GoldSrc-compatible (Half-Life 1) game engine
- Spectalum for Eye of the Beholder II
- Spring for Total Annihilation and its many mods
- StarGus with Stratagus for StarCraft
Read more about this topic: Game Engine Recreation