The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- SmackDown vs. Raw (Series) (8 members)
- Smartphone Labs LLC (Publisher) (1 member)
- Sniper: Ghost Warrior (Series) (2 members)
- Sniper Elite (Series) (2 members)
- Snowblind Studios (Developer) (1 member)
- Snowboarding (Genre) (2 members)
- Social simulation (Genre) (2 members)
- Soedesco (Publisher) (1 member)
- Soldner-X (Series) (2 members)
- Sonic Team (Developer) (8 members)
- Sonic Team USA (Developer) (1 member)
- Sonic the Hedgehog (Series) (12 members)
- Sony Computer Entertainment (Publisher) (249 members)
- Sony Online Entertainment (Developer) (4 members)
- Sony Online Entertainment (Publisher) (24 members)
- SoulCalibur (Series) (4 members)
- Souls (Series) (3 members)
- SouthPeak Games (Publisher) (3 members)
- South Park (Series) (1 member)
- Southend Interactive (Developer) (3 members)