| .sims3pack |
The Sims 3 Package File |
| .scs |
SimCity Societies Saved Game File |
| .scn |
OpenTTD Scenario File |
| .spc |
Software Publisher Certificate File |
| .sc2map |
Blizzard StarCraft 2 Map File |
| .sc2save |
Blizzard StarCraft 2 Saved Game |
| .sc2replay |
Blizzard StarCraft 2 Replay File |
| .sc2assets |
Blizzard StarCraft 2 Assets File |
| .sc2mod |
Blizzard StarCraft 2 Modification File |
| .sqf |
ArmA Script File |
| .sims3 |
The Sims 3 Game Save File |
| .ssc |
StepMania Song File |
| .splane |
Simple Planes Plane File |
| .smrailroadssavedgame |
Sid Meier's Railroads! Saved Game |
| .stencyl |
Stencyl Game File |
| .scworld |
Survivalcraft World File |
| .sc4 |
RollerCoaster Tycoon Scenario File |
| .sgf |
Smart Game Format File |
| .soepsx |
Player Studio Viewer Item File |
| .save |
Nano Temporary Save File |
| .sub |
Subtitle File |
| .scx |
Microsoft Game Scenario File |
| .sqm |
Service Quality Monitoring File |
| .sfo |
PSP Game Parameters File |