- Starsand: Digital Supporter Edition – v1.0.9 + Bonus Content
- Starship Troopers: Terran Command – Complete Bundle, v6.4.0 + 3 DLCs
- Starship Troopers: Ultimate Bug War! – v1.2.0
- Starstruck: Hands of Time + Soundtrack Bundle
- Stasis: Bone Totem + Supporters Pack Combo, v1.0.4.3 + Bonus Content
- State of Decay 2: Juggernaut Edition – v38 / 724522 + DLC
- State of Decay: Year-One Survival Edition
- State of Mind
- Static Dread: The Lighthouse – v2025.08.06.18.12 + 2 DLCs/Bonuses
- Station to Station – v1.4.1 (4960) / Creative Mode Update
- Status One
- Stay Still 2 + Bonus OST
- Steam Squad
- SteamWorld Build: Deluxe Edition – Build 13541592 + Mechanized DLC
- SteamWorld Heist II – v1.3 + Bonus Soundtrack + Windows 7 Fix
- Steel Division 2: Total Conflict Edition – v165547 + 37 DLCs
- Steel Division: Normandy 44 – Build 80629
- Steel Echoes
- Steel Rats + DLC
- Steel Seed: Deluxe Edition – v1.0.4 + 3 DLCs/Bonuses
- Steelrising + 2 DLCs
- Steep – v1.23.7640008 Offline Crack + 6 DLCs*
- STEINS;GATE – Steam HD Edition
- Steins;Gate 0
- Steins;Gate Elite
- STEINS;GATE: Linear Bounded Phenogram
- STEINS;GATE: My Darling’s Embrace
- Stellar Blade: Complete Edition, v1.4.1 + 7 DLCs + 4 Bonus Soundtracks
- Stellar Ghosts Settlers – v1.0.220
- Stellar Outpost Commander
- Stellar Sovereigns – v1.9.0
- Stellar Tactics – v1.0 (Release) + Supporter Pack DLC
- Stellarcraft – v1.0.0.0 + Bonus OST
- Stellaris: Ultimate Bundle, v4.4.1 (8e23) + 45 DLCs/Bonuses
- STERN – v1.4.2
- Stickman Strikes: Conquer Fantasy World – v0.2.07
- Still It Runs – v1.0.2
- Still Wakes the Deep: The Complete Collection – v1.5 (34484) + 2 DLCs/Bonuses
- Stolen Realm: Complete Bundle, v1.2.7 + 2 DLCs/Bonuses
- Stone 4 Souls
- Stone Simulator: Just Be a Rock
- Stonedeep – v2021.10.09.0
- Stonemachia
- Stop the Blight: Deluxe Edition – v1.0.0 + Bonus Soundtrack
- Storage Dealer Simulator
- Storage Guys – v1.0.2
- Storage Hunter Simulator – v17755
- Store It!: Supporter Edition – v1.0.1 + DLC
- Store Wars: Multiplayer Shop Simulator
- Storm Lancers – v1.1.0.16