Thursday 1 May
7 releases
- Audition Online PCT3 Entertainment
- Planet Busters PCSlam
- Tag: The Power of Paint PCTag Team
- Towelket: One More Time 2 (Karaage Tanpopo) PCKanashimi Hocchikisu
- Universe Sandbox PCGiant Army
- WorldShift PCBlack Sea Studios
- Zozole: Operacja Paintball PC
Friday 2 May
2 releases
- Iron Man PCArtificial Mind & Movement
- Tower of Dal Gurak PC
Saturday 3 May
1 release
- Portal: The Flash Version MapPack PCWe Create Stuff
Sunday 4 May
2 releases
- Mystery P.I. - The Vegas Heist PCPopCap Games
- War Operations PCDynamic Games Entertainment
Tuesday 6 May
1 release
- Neverwinter Nights 2: Gold PCObsidian Entertainment
Wednesday 7 May
1 release
- The Way PCCrestfallen Studios
Thursday 8 May
4 releases
- Dig Dug Island: Minami no Jima no Pukapukapon PC
- Foldit PCCenter for Game Science
- Half-Life: Residual Point PC
- World Racing 2 PCSynetic
Friday 9 May
1 release
Saturday 10 May
2 releases
Sunday 11 May
2 releases
Monday 12 May
3 releases
- Boogie Bunnies PCArtech Studios
- JumpStart 3D Virtual World: My First Adventure PCKnowledge Adventure
- Virtual Villagers 2: The Lost Children PCLast Day of Work
Tuesday 13 May
7 releases
- Beyond Good & Evil PCUbisoft Montpellier
- Blazing Angels: Squadrons of WWII PCUbisoft Bucharest
- Chessmaster: Grandmaster Edition PCUbisoft Bucharest
- Cold Fear PCDarkworks
- Kryzta PCCactus
- Pacific Fighters PC1C: Maddox Games
- Shoot, I Got Abducted! PC
Wednesday 14 May
2 releases
- Family Feud 3: Dream Home PCiWin
- The Chosen Ones PC
Thursday 15 May
2 releases
- Final Fantasy XI: Vana'diel Collection 2008 PCSquare Enix Product Development Division 3
- The Chronicles of Narnia: Prince Caspian PCTraveller's Tales
Friday 16 May
11 releases
- Cabela's Trophy Bucks PCSand Grain Studios
- Dark and Light PC
- Fate of the Damned PC
- Precision PCCactus
- Soldier of Fortune: Payback PCCauldron HQ
- System Mania PC
- Terrorist Takedown 2: US Navy Seals PCCITY interactive Sp. z o.o.
- The Curse of Montezuma PCAlawar Friday's Games
- Top Trumps: Doctor Who PCIronstone Partners
- Wings of Honour PCCity Interactive
- X-Team PCN-Game Studios
Saturday 17 May
1 release
- The Amazing Brain Train! PCGrubby Games
Monday 19 May
6 releases
- Gumboy Tournament PCCINEMAX, s.r.o.
- Knights of the Temple II PCCauldron HQ
- R2 Online: Reign of Revolution PCWebzen
- Ruined Nation PC
- Texmaster PC
- UEFA Euro 2008 PCEA Canada
Tuesday 20 May
2 releases
- Age of Conan: Unchained PCFuncom
- Zak McKracken: Between Time and Space PCArtificial Hair Brothers
Wednesday 21 May
3 releases
- Penny Arcade Adventures: On the Rain-Slick Precipice of Darkness - Episode One PCHothead Games
- Penny Arcade Adventures: On the Rain-Slick PCHothead Games
- Postal 2: A Very Postal Christmas PCResurrection Studios
Thursday 22 May
2 releases
- Goin' Downtown PCSilver Style Entertainment
- Krebswelte PCCactus
Friday 23 May
4 releases
- Age of Conan: Unchained PCFuncom
- Chrono Belt: Ayakashibito & Bullet Butlers Crossover Disc PCPropeller
- The Lost Cases of Sherlock Holmes PC
- Top Trumps: Doctor Who PCIronstone Partners
Sunday 25 May
5 releases
- Half-Life: Reissues PC
- I'm Not Crazy, Right?: The Cell PC
- Kinu Shoku Ryuu Hana: Weaving The Blue Orient PC
- Seven Kingdoms: Conquest PCEnlight Software Limited
- Touhou Hisouten: Scarlet Weather Rhapsody PCTeam Shanghai Alice
Monday 26 May
5 releases
- Blast Miner! PCEdmund McMillen
- Blood Chronicles Volume 1 PC
- Forward Motion PC
- The Lost Episodes PC
- The Mirror Lied PCFreebird Games
Tuesday 27 May
1 release
Wednesday 28 May
5 releases
- Mass Effect PCBioWare Edmonton
- Europa Universalis III: In Nomine PCParadox Interactive
- Jasper's Journeys PC
- Rohan: Blood Feud PC
- Virtual Villagers 3: The Secret City PCLast Day of Work
Thursday 29 May
2 releases
- Lost Planet: Extreme Condition - Colonies Edition PCCapcom
- The Devil on G-String PCAkabeisoft2
Friday 30 May
5 releases
- Akatsuki no Amaneka to Aoi Kyojin: Pashiate Bunmei Kenkyuukai Koubouki PCKuma-san Team
- Chess Crusade PCSlam Games
- Larentia PCNikukyu
- Nikita: The Mystery of the Hidden Treasure PC
- Race Driver: Grid PCCodemasters Southam
Saturday 31 May
2 releases
- Kaiten Patissier PC
- Virtual Farm PCAlawar Entertainment
Dates come from IGDB and move when publishers change them. Following counts are IGDB followers.