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- Sinking InnReleased: April 30, 2021Developer: Open Alpha
- Xeno ShooterReleased: April 30, 2021Platforms: Microsoft Windows, macOS, Linux
- Moon Observatory IrisReleased: May 2021Platforms: Microsoft Windows, macOS, Linux
- Yogurt Commercial 3Released: May 2, 2021Platforms: Microsoft Windows, macOS
- ComPressureReleased: May 3, 2021Platforms: Microsoft Windows, macOS, Linux
- Eternia: Pet WhispererReleased: May 3, 2021Platforms: Microsoft Windows, macOS, Linux
- King Bullseye: The Chess StrikeReleased: May 5, 2021Platforms: Microsoft Windows, macOS, Linux
- DemeoReleased: May 6, 2021Developer: Resolution Games
- Lux, City of SecretsReleased: May 6, 2021Developer: Hosted Games
- The Sekimeiya: Spun GlassReleased: May 6, 2021Platforms: Microsoft Windows, macOS, Linux
- ToverbladeReleased: May 6, 2021Developer: Sokpop Collective
- PapeturaReleased: May 7, 2021Developer: Petums
- Soralio: Cooperation mystery solving gameReleased: May 7, 2021Platforms: Microsoft Windows, macOS
- Total Arcade RacingReleased: May 7, 2021Developer: Pretty Fly Games
- Whispered Secrets: Ripple of the HeartReleased: May 7, 2021Developer: GrandMA Studios
- The Epic of InannaReleased: May 8, 2021Platforms: Microsoft Windows, macOS, Linux
- World SenateReleased: May 9, 2021Platforms: Microsoft Windows, macOS, Linux
- Base OneReleased: May 11, 2021Platforms: Microsoft Windows, macOS
- Intergalactic RescueReleased: May 11, 2021Platforms: Microsoft Windows, macOS, Linux
- HuntdownReleased: May 12, 2021Publisher: Coffee Stain Publishing
- Realpolitiks IIReleased: May 12, 2021Developer: Jujubee
- Hundred Days - Winemaking SimulatorReleased: May 13, 2021Developer: Broken Arms Games
- Lost RuinsReleased: May 13, 2021Developer: Altari Games
- Purrfect Apawcalypse: Patches' InfurnoReleased: May 13, 2021Platforms: Microsoft Windows, macOS, Linux
- A year of springsReleased: May 14, 2021Developer: Npckc
- Chair SimulatorReleased: May 14, 2021Platforms: Microsoft Windows, macOS
- Magic TrickReleased: May 14, 2021Platforms: Microsoft Windows, macOS, Linux
- Word Hunt FeverReleased: May 14, 2021Platforms: Microsoft Windows, macOS
- Heard There Was A Chosen OneReleased: May 17, 2021Platforms: Microsoft Windows, macOS, Linux
- Lost in BlindnessReleased: May 17, 2021Platforms: Microsoft Windows, macOS, Linux
- Athena TriviaReleased: May 18, 2021Platforms: Microsoft Windows, macOS, Linux
- Dominant MindReleased: May 18, 2021Developer: Peaksel
- Guardian of LoreReleased: May 18, 2021Developer: Round 2 Games
- Time Trap 2Released: May 19, 2021Developer: Crisp App Studio
- If It Please the CourtReleased: May 20, 2021Platforms: Microsoft Windows, macOS, Linux
- Mind ScannersReleased: May 20, 2021Developer: The Outer Zone
- Nainai's RecipeReleased: May 20, 2021Platforms: Microsoft Windows, macOS, Linux
- Not Another WeekendReleased: May 20, 2021Developer: Animatic Vision, Dead Blue Friends
- SGS Halls of MontezumaReleased: May 20, 2021Publisher: Avalon Digital
- The SinReleased: May 20, 2021Platforms: Microsoft Windows, macOS, Linux
- The Wild at HeartReleased: May 20, 2021Publisher: Humble Games
- Arrow SudokuReleased: May 21, 2021Developer: Studio Goya
- Break through 50Released: May 21, 2021Platforms: Microsoft Windows, macOS, Linux
- UnderlingsReleased: May 21, 2021Platforms: Microsoft Windows, macOS, Linux
- Cardiac UnrestReleased: May 22, 2021Platforms: Microsoft Windows, macOS
- LiluluReleased: May 22, 2021Platforms: Microsoft Windows, macOS, Linux, Android
- Trilogy KING MANReleased: May 22, 2021Platforms: Microsoft Windows, macOS, Linux
- Dwarves Craft. Father's homeReleased: May 24, 2021Platforms: Microsoft Windows, macOS
- Lost Lands: Ice SpellReleased: May 24, 2021Developer: FIVE-BN
- StrangelandReleased: May 25, 2021Developer: Wormwood Studios
- Very Very ValetReleased: May 25, 2021Platforms: Microsoft Windows, macOS
- SumireReleased: May 26, 2021Developer: GameTomo
- The Dream Libra hadReleased: May 26, 2021Platforms: Microsoft Windows, macOS, Linux
- Vivid KnightReleased: May 26, 2021Platforms: Microsoft Windows, macOS
- Mars QuestReleased: May 27, 2021Platforms: Microsoft Windows, macOS
- Pecaminosa - A Pixel Noir GameReleased: May 27, 2021Platforms: Microsoft Windows, macOS, Linux
- VERSUS: The DeathscapesReleased: May 27, 2021Developer: Choice of Games
- BOY BEATS WORLDReleased: May 28, 2021Platforms: Microsoft Windows, macOS, Linux
- RayboundReleased: May 28, 2021Platforms: Microsoft Windows, macOS, Linux
- Gimmick in the Chaos DimensionReleased: May 30, 2021Platforms: Microsoft Windows, macOS, Linux
- Overboard!Released: June 2, 2021Developer: Inkle
- Squeakers IIReleased: June 2, 2021Platforms: Microsoft Windows, macOS, Linux
- Astalon: Tears of the EarthReleased: June 3, 2021Publisher: Dangen Entertainment
- Pathfinders: Mini WordsReleased: June 3, 2021Developer: Mens Sana Interactive
- SlipwaysReleased: June 3, 2021Platforms: Microsoft Windows, macOS
- SunblazeReleased: June 3, 2021Publisher: Bonus Stage Publishing
- The Slaughter: MagdaleneReleased: June 3, 2021Platforms: Microsoft Windows, macOS, Linux
- Detective Rosie Morgan: Murder on the River ThamesReleased: June 4, 2021Engine: TyranoBuilder
- GarbageReleased: June 4, 2021Publisher: GrabTheGames
- Palladium: Adventure in GreeceReleased: June 4, 2021Engine: Godot
- SISYPHUSReleased: June 4, 2021Platforms: Microsoft Windows, macOS
- Mighty GooseReleased: June 5, 2021Developer: Blastmode
- MuckReleased: June 5, 2021Platforms: Microsoft Windows, macOS, Linux
- YngletReleased: June 5, 2021Developer: Nicklas Nygren
- Hack Bomb BOMA-YEReleased: June 6, 2021Platforms: Microsoft Windows, macOS
- COINS BATTLEReleased: June 9, 2021Platforms: Microsoft Windows, macOS, Linux
- Deepest SwordReleased: June 9, 2021Platforms: Microsoft Windows, macOS, web browser, Android
- Tybot Invasion: The Typing RunnerReleased: June 9, 2021Platforms: Microsoft Windows, macOS, Linux
- Forgotten Hill First StepsReleased: June 10, 2021Developer: FM Studio
- Jeanne at the Clock TowerReleased: June 10, 2021Developer: Liar-soft
- Kochu's DreamReleased: June 10, 2021Developer: Sokpop Collective
- Soaring MachinariaeReleased: June 10, 2021Publisher: Gotcha Gotcha Games
- Women's QuizReleased: June 10, 2021Platforms: Microsoft Windows, macOS
- Doomed LoveReleased: June 11, 2021Engine: Ren'Py
- Wax MuseumReleased: June 11, 2021Developer: Crisp App Studio
- Zhi Jiang Wang ShiReleased: June 11, 2021Platforms: Microsoft Windows, macOS
- Beasts of Maravilla IslandReleased: June 12, 2021Publisher: Whitethorn Games
- Minute of IslandsReleased: June 13, 2021Developer: Studio Fizbin
- Do Animals Dream?Released: June 14, 2021Platforms: Microsoft Windows, macOS
- WildermythReleased: June 15, 2021Developer: Worldwalker Games
- Immortus TemporusReleased: June 16, 2021Developer: Khud0
- Luna's Fishing GardenReleased: June 16, 2021Platforms: Microsoft Windows, macOS, Linux
- Touhou Mystia's IzakayaReleased: June 16, 2021Platforms: Microsoft Windows, macOS, Mac
- Planet Surf: The Last WaveReleased: June 17, 2021Platforms: Microsoft Windows, macOS
- Railroad Ink ChallengeReleased: June 17, 2021Developer: Horrible Guild Games
- RoguebookReleased: June 17, 2021Developer: Abrakam
- Summertime MadnessReleased: June 17, 2021Developer: DP Games
- Frenzic: OvertimeReleased: June 18, 2021Developer: The Iconfactory
- CryptoClickers: Crypto Idle GameReleased: June 19, 2021Platforms: Microsoft Windows, macOS, Linux