| rpf | Grand Theft Auto V Game Archive |
| rpgmvm | RPG Maker MV Encrypted M4A Audio |
| rpgmvo | RPG Maker MV Encrypted OGG Audio |
| rpgmvp | RPG Maker MV Encrypted PNG Image |
| rpgsave | RPG Maker Saved Game |
| rpkg | Hitman Game Package |
| rpl | Special Force Replay Data |
| Toribash Replay |
| rpt | SRB2 Crash Report |
| rpy | Touhou Project Replay Data |
| rrc | Drakan: Order Of The Flame Game Data |
| rrs | Road Rash Save File |
| rs | Xpand Rally Xtreme Replay Data |
| rs2 | RailSim2 Saved Layout |
| rs5 | IonFx Miasmata RS5 Data |
| rsa | Minecraft Game Codesign Data |
| rsc | Carnivores: Ice Age Map Areas Data |
| NASCAR Racing 2003 Paint Shop Controller Data |
| Warcraft Adventures: Lord of the Clans Game Data |
| rsd | Anno 2070 Configuration |
| Anno 2070 Script Data |
| rsg | Drakan: Order of the Flame Data |
| rsgp | RuneScape Game Data |
| rsh | Warhammer 40K Texture Data |
| rsm | RuneSword 2 Game Data |
| rtd | Racer Telemetry Data |
| rton | Plants vs. Zombies Game Data |
| rtz | Quake 2 Eraser Bot Route Data |
| run | Rune Map Data |
| rvdata | RPG Maker VX Data File |
| rvdata2 | RPG Maker VX Ace Data File |
| rvi | Revenant Game Data |
| rvm | Revenant Game Archive |
| rvmap | Armed Assault Texture Data |
| rvmat | Armed Assault Texture Material Data |
| rvn | Riven Game Data |
| rvr | Revenant Game Data |
| rvs | Revenant Game Archive |
| rw | BVE Trainsim Railway Definition Data |
| rwd | Microsoft Flight Simulator Rewards Data |
| rws | RimWorld Saved Game Data |
| rwv | JF-18 Audio Resource |
| rwx | ActiveWorlds RWX Model |
| rx3 | FIFA 12 Game Data |
| rxdata | RPG Maker XP Data |
| s | Train Simulator Shape Data |
| s10 | Brasfoot Saved Game |
| s11 | Descent 2 Game Data |
| s16 | Football Manager Data |
| s2 | Stranded 2 Mapfile |
| s22 | Descent 2 Game Data |
| s2data | StarCraft II Data |
| s2m | Settlers II Map |
| Stronghold 2 Map |
| s2ma | StarCraft II Map Data |
| s2mh | StarCraft II Map Header |
| s2mi | StarCraft II Cache |
| s2ml | StarCraft 2 Map Localization Data |
| s2mv | StarCraft II Map Preview |
| s2qh | StarCraft 2 Localization Header |
| s2ql | StarCraft 2 Unit Localization Data |
| s2r | Savage 2 Replay Data |
| s2z | Heroes of Newerth Game Data |
| s3d | EverQuest Game Data |
| s3darc | TimeShift Data |
| s3dpak | TimeShift Data |
| s3f | Slitherine 3D Model |
| s3l | Scorched 3D Model Data |
| s3m | Scorched 3D Mod |
| s3r | RTL Ski Jumping Replay Data |
| s3s | Samorost 3 Saved Game |
| s3t | Scorched 3D Tankpack |
| s4m | SWAT 4 Map Data |
| s4s | Stalker CS Game Shader Data |
| s5x | Settlers: Heritage of Kings Game Data |
| s6savegame | The Settlers: Rise of an Empire Saved Game |
| sab | Jedi Knight: Jedi Academy Saber Data |
| Sabotain Game Archive |
| saber | Beat Saber Saber |
| sabl | Call of Duty: Black Ops II Game Data |
