| Abbreviation | Definition |
|---|---|
| RSL | Rogue Squadron Legends |
| RSPV | RuneScape Private Server |
| RSS | Reload Slash-Shot |
| RSSGTG | Retro Soviet Style Gravity Tunnel Game (computer game) |
| RSTU | Runescape Time Unit (gaming) |
| RT | Ray Traced |
| RT | Roosterteeth |
| RTCW | Return To Castle Wolfenstein |
| RTGC | Rough Trade Gaming Community |
| RTO | Random Target Optimizer |
| RTPA | 'RAT-PACK' . . . . .'acronym' |
| RtR | Respect the Resistance |
| RTRZ | Remastered Tracks Rockman Zero |
| RTS | Real Time Strategy |
| RTZ | Arteezy |
| RVP | Reformed Violation Punishers |
| RWF | RedWarfare |
| S&D | Search and Destroy |
| S&M | Slave & Master |
| S2J | Smoke 2 Joints |