- The Suffering: Ties That Bind (GOG)
- The Suicide of Rachel Foster
- The Sum of All Fears
- The Summoning
- The Sun and Moon
- The Sun Never Sets
- The Sundew
- The Sunny Day 晴天
- The Sunset 2096
- The Superfluous
- The Superlatives: Aetherfall (Update Apr 09, 2019)
- The Superlatives: Shattered Worlds
- The Surge (Inclu ALL DLC) (Update 15)
- The Surge 2 (ALL DLC)
- The Surge 2 (Update 4 & DLC)
- The Survey
- The Survivalists
- The Survivalists (Branch Dangerous Plants Update)
- The Survivalists (Farming Update)
- The Survivalists (Update 2)
- The Survivalists v.1.1.12
- The Survivalists v1.1
- The Swapper
- The Swindle v1.061 (GOG)
- The Swine
- The Swords of Ditto v1.11.01
- The Swords of Ditto: Mormo’s Curse v1.17.05.205
- The table at war VR
- The Take
- The TakeOver
- The Tale of a Common Man
- The Tale of Doris and the Dragon – Episode 2
- The Talos Principle v326589 (Inclu ALL DLC)
- The Talos Principle VR
- The Talos Principle: Road To Gehenna v250756
- The Tape
- The Tavern
- The Tawashi
- The Technician
- The Technomancer (Update 3636)
- The Teleport
- The Temple of Elemental Evil (GOG)
- The Temporal Invasion v3014
- The Tenants
- The Tenants v0.52c
- The Tenants v0.53
- The Tenants v0.552b
- The Tenants v0.553
- The Tenants v0.61
- The Tenants v0.62
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