Game System
- Serpent's Tongue13
- Silk13
- Sláine: Kiss My Axe!13
- SolForge Fusion13
- Sons of Anarchy: Men of Mayhem13
- Sorcery: Contested Realm13
- Spicy Dice13
- Stargate SG-1 D2013
- Stratego13
- Surrealist Dinner Party13
- TANKS13
- Takenoko: Chibis13
- Tall Tales13
- Teens in Space13
- Tekumel: Empire of the Petal Throne13
- The Game13
- The Godfather: Corleone's Empire13
- The Horus Heresy13
- The Laundry13
- The Prince13