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- Afterlife EmpireReleased: August 21, 2015Developer: Autobótika, Game Nation
- Forget Me Not: My Organic GardenReleased: August 21, 2015Developer: Cavyhouse
- VERSUS: The Lost OnesReleased: August 21, 2015Developer: Choice of Games
- Universe Sandbox 2Released: August 24, 2015Developer: Giant Army
- ShutshimiReleased: August 25, 2015Publisher: Choice Provisions
- Port of CallReleased: August 28, 2015Platforms: Microsoft Windows, macOS
- Exile’s EndReleased: August 31, 2015Platforms: Microsoft Windows, macOS, Linux
- TinertiaReleased: September 3, 2015Platforms: Microsoft Windows, macOS, Linux
- A Wise Use of TimeReleased: September 4, 2015Developer: Choice of Games
- Broken Sword 5: The Serpent's CurseReleased: September 4, 2015Developer: Revolution Software
- Fault Milestone TwoReleased: September 8, 2015Developer: ALICE IN DISSONANCE
- Fate TectonicsReleased: September 9, 2015Platforms: Microsoft Windows, macOS
- Queen's Quest: Tower of DarknessReleased: September 10, 2015Developer: Brave Giant
- Sakura Swim ClubReleased: September 11, 2015Developer: Winged Cloud
- Simply ChessReleased: September 11, 2015Platforms: Microsoft Windows, macOS, Linux
- Rogue ContinuumReleased: September 15, 2015Platforms: Microsoft Windows, macOS, Linux
- Train ValleyReleased: September 16, 2015Developer: Flazm
- I Can't Escape: DarknessReleased: September 17, 2015Platforms: Microsoft Windows, macOS, Linux
- Shmup Love BoomReleased: September 18, 2015Platforms: Microsoft Windows, macOS, Linux
- Airport Madness: Time MachineReleased: September 19, 2015Developer: Big Fat Simulations Inc.
- Templar BattleforceReleased: September 21, 2015Engine: Cocos2d-x
- Dark Heritage: Guardians of HopeReleased: September 24, 2015Developer: The House of Fables
- Lost Lands: A Hidden Object AdventureReleased: September 24, 2015Developer: FIVE-BN
- Missing TranslationReleased: September 24, 2015Platforms: Microsoft Windows, macOS
- Reverse CrawlReleased: September 24, 2015Developer: Nerdook Productions
- VilmonicReleased: September 24, 2015Developer: Bludgeonsoft
- Franchise Hockey Manager 2Released: September 28, 2015Developer: Out of the Park Developments
- Rescue Team 5Released: September 30, 2015Developer: Rionix
- Black & White BushidoReleased: October 2, 2015Publisher: Green Man Gaming Publishing
- Game Corp DXReleased: October 2, 2015Developer: Endless Loop Studios
- Pixel GalaxyReleased: October 2, 2015Platforms: Microsoft Windows, macOS
- PolychromaticReleased: October 2, 2015Developer: Brushfire Games
- Ratings WarReleased: October 2, 2015Developer: Choice of Games
- 1pxReleased: October 4, 2015Developer: Ulysse Ramage
- InventioneersReleased: October 5, 2015Platforms: Microsoft Windows, macOS, Linux
- Prison ArchitectReleased: October 6, 2015Developer: Introversion Software
- Soccer Manager 2016Released: October 7, 2015Platforms: Microsoft Windows, macOS
- Fairy Tale Mysteries 2: The BeanstalkReleased: October 8, 2015Developer: Gogii Games
- Goggles - World of VaporiaReleased: October 9, 2015Platforms: Microsoft Windows, macOS, Linux
- MasochisiaReleased: October 9, 2015Developer: Oldblood
- Animal GodsReleased: October 12, 2015Platforms: Microsoft Windows, macOS, Linux, Wii U
- Orion TrailReleased: October 12, 2015Developer: Schell Games
- Minecraft: Story ModeReleased: October 13, 2015Developer: Telltale Games
- The Jackbox Party Pack 2Released: October 13, 2015Developer: Jackbox Games
- SkyscrappersReleased: October 15, 2015Developer: Ground Shatter
- CeresReleased: October 16, 2015Publisher: Iceberg Interactive
- Color Symphony 2Released: October 16, 2015Developer: REMIMORY
- Eternal StepReleased: October 16, 2015Publisher: Green Man Gaming Publishing
- BroforceReleased: October 17, 2015Developer: Free Lives
- The Coma: Cutting ClassReleased: October 19, 2015Developer: Devespresso Games
- COAST GUARDReleased: October 21, 2015Platforms: Microsoft Windows, macOS
- Kingdom: ClassicReleased: October 21, 2015Publisher: Raw Fury
- Dracula's LegacyReleased: October 22, 2015Developer: Jetdogs Studios
- Auto Dealership TycoonReleased: October 23, 2015Platforms: Microsoft Windows, macOS, Linux
- Deathless: The City's ThirstReleased: October 23, 2015Developer: Choice of Games
- Flight of the PaladinReleased: October 23, 2015Platforms: Microsoft Windows, macOS, Linux
- Star SkyReleased: October 23, 2015Publisher: Playism
- Viscera Cleanup DetailReleased: October 23, 2015Developer: RuneStorm
- Mystery Case Files: Key to RavenhearstReleased: October 27, 2015Developer: Eipix Entertainment
- Sun DogsReleased: October 29, 2015Platforms: Microsoft Windows, macOS
- Written in the SkyReleased: October 31, 2015Platforms: Microsoft Windows, macOS, Linux
- Weather Lord: Following the PrincessReleased: November 4, 2015Developer: Yustas Games Studio
- The Secret Order 2: Masked IntentReleased: November 5, 2015Developer: Sunward Games
- Among the HeavensReleased: November 6, 2015Developer: Jetdogs Studios, Corepunch Game Studio
- Call of Duty: Black Ops IIIReleased: November 6, 2015Developer: Treyarch
- Defend the HighlandsReleased: November 6, 2015Developer: Kilted Camel
- DiabolicalReleased: November 6, 2015Developer: Choice of Games
- The Jackbox Party PackReleased: November 6, 2015Developer: Jackbox Games
- Where Angels Cry: Tears of the FallenReleased: November 9, 2015Series: Where Angels Cry
- Without Within 2Released: November 9, 2015Platforms: Microsoft Windows, macOS, Linux
- Football Manager 2016Released: November 13, 2015Developer: Sports Interactive
- Higurashi When They Cry Hou - Ch.2 WatanagashiReleased: November 13, 2015Developer: 07th Expansion
- Rise of the Tomb RaiderReleased: November 13, 2015Developer: Crystal Dynamics
- Conquest of Elysium 4Released: November 16, 2015Developer: Illwinter Game Design
- Knight SquadReleased: November 16, 2015Platforms: Microsoft Windows, macOS, Linux
- ROOTReleased: November 16, 2015Developer: Skunkape Interactive
- Shadow Ninja: ApocalypseReleased: November 16, 2015Developer: Boogygames Studios
- A Study in Steampunk: Choice by GaslightReleased: November 20, 2015Developer: Hosted Games
- OsteyaReleased: November 20, 2015Developer: Volens Nolens Games
- Switch Galaxy UltraReleased: November 20, 2015Publisher: Green Man Gaming Publishing
- Time Tenshi (2015)Released: November 20, 2015Platforms: Microsoft Windows, macOS, Linux
- Cardinal Quest 2Released: November 23, 2015Platforms: Microsoft Windows, macOS, Linux
- Mystery Case Files: Ravenhearst UnlockedReleased: November 27, 2015Developer: Eipix Entertainment
- Incredible Dracula: Chasing LoveReleased: November 29, 2015Developer: New Bridge Games
- Carpe DiemReleased: November 30, 2015Platforms: Microsoft Windows, macOS, Linux
- Planet DiverReleased: November 30, 2015Developer: Fabraz
- LowglowReleased: December 3, 2015Engine: Cocos2d-x
- Vampire Legends: The True Story of KisilovaReleased: December 3, 2015Publisher: Artifex Mundi
- Community College Hero: Trial by FireReleased: December 4, 2015Developer: Hosted Games
- Pendragon RisingReleased: December 4, 2015Developer: Choice of Games
- Cats are Liquid - A Light in the ShadowsReleased: December 7, 2015Platforms: Microsoft Windows, macOS, Linux
- Castle ChaosReleased: December 8, 2015Platforms: Microsoft Windows, macOS, Linux
- Red Game Without A Great NameReleased: December 9, 2015Platforms: Microsoft Windows, macOS, PlayStation Vita, Linux
- Christmas Mahjong 2Released: December 10, 2015Developer: Creobit
- Crossbow Warrior - The Legend of William TellReleased: December 10, 2015Platforms: Microsoft Windows, macOS
- Dragon's WakeReleased: December 10, 2015Platforms: Microsoft Windows, macOS, Linux
- Emily Wants to PlayReleased: December 10, 2015Developer: Shawn Hitchcock