- Shing! Digital Deluxe Edition – v2.0 + Bonus Content
- Shining Resonance Refrain – v1.00.1618
- Shiny – v2.0.3.2
- Ship Graveyard Simulator – v1.0.6 + Submarines DLC
- Ship Graveyard Simulator 2 – v4607
- Ship of Fools – v1.0.1_5234608a + Online Multiplayer
- Shipwreck Escape
- SHIRIME: The Curse of Butt-Eye
- Shock Tactics + HotFix
- ShockRods
- Shoulders of Giants – v1.2.4
- Shovel Knight Dig
- Showgunners – v1.0.0.51141 + 6 DLCs
- Shred! Remastered – v2.0.0.2
- Shredders
- Shrot – v1.2 + Bonus Soundtrack
- Shutter 2 + Year Two Update
- Siberian Village – v0.97 + Windows 7 Fix
- SickBrick – Steam Version
- Sid Meier’s Civilization: Beyond Earth + 2 DLC
- Sid Meier’s Starships
- Sid Meier’s Civilization 6: Platinum Edition – v1.0.11.16 + 19 DLCs/OSTs
- Siege of Centauri – v1.00.66518
- Siege Survival: Gloria Victis – v20210712 (Community Update #2)
- SIFU: Digital Deluxe Edition – v1.5_3.330 + 4 DLCs/Bonuses
- Silence: The Whispered World 2 – v1.1.20227
- Silent Cause + Windows 7 Fix
- Silent Hill 2: Digital Deluxe Edition – v1.1.236.114 + 4 DLCs/Bonuses
- Silent Hill 4: The Room
- Silent Hope: Digital Deluxe Edition – v1.0.2 10 DLCs/Bonuses
- Silent Rain + CrashFix
- Silt – v1.0.0 Build 1013
- Silver Chains
- Simantik
- SimCasino
- Simpler Times
- Simulakros + Windows 7 Fix
- SiN: Gold – v1.13
- Sinderfury
- Sine Mora EX
- SINNER: Sacrifice for Redemption
- Sins of a Solar Empire II – v28.2.0
- Sir Whoopass: Immortal Death – v1.0.1
- Size Matters – v1.1.2
- SKALD: Against the Black Priory – Deluxe Bundle – v1.0.3d/v1.0.4d + DLC + Bonus OST
- SkateBIRD
- Skater XL: The Ultimate Skateboarding Game – v1.2.2.5
- Skábma: Snowfall – v1.0.51-GOG
- Skeleton Crew – v1.0.2 (x64/x86)
- Sker Ritual: Founders Bundle – v1.0.0.20300 + 11 DLCs