Monday 1 May
28 releases
- Chamber of the Sci-Mutant Priestess Amiga, DOSERE Informatique
- Where in the World is Carmen Sandiego? Enhanced Edition AmigaBrøderbund Software
- Act-Fancer: Cybernetick Hyper Weapon ArcadeData East
- Arbalester ArcadeSETA
- Arch Rivals ArcadeBally Midway
- Bubble Bobble Amiga, Atari ST/STETaito Corporation
- California Games Sega Master System/Mark IIIEpyx
- Crystal Castles Atari 8-bitAtari
- Dark Chambers Atari 2600Atari Corporation
- Desert Falcon Atari 8-bitAtari Corporation
- Double Dunk Atari 2600Atari Corporation
- Dynowarz: Destruction of Spondylus Nintendo Entertainment SystemAdvance Communication Company
- F-15 Strike Eagle PC-9800 SeriesMicroProse Software, Inc.
- Gunship AmigaMicroProse Software, Inc.
- Home Run Nighter: Pennant League!! Family ComputerData East
- Kyuukyoku Tiger TurboGrafx-16/PC Engine
- Makai Hakkenden Shada TurboGrafx-16/PC EngineData East
- Master of Weapon ArcadeTaito Corporation
- Meitantei Holmes: M kara no Chousenjou Family ComputerTowa Chiki
- Operation Wolf AmigaTaito
- Prehistoric Isle ArcadeSNK
- Super Mario Bros. 2 Nintendo Entertainment SystemNintendo R&D4
- Super Monaco GP ArcadeSega Enterprises, Ltd.
- Tetris Nintendo Entertainment SystemTengen
- The 4th Unit 3 - Dual Targets PC-9800 SeriesData West
- The Amazing Spider-Man and Captain America in Dr. Doom's Revenge! DOSParagon Software Corporation
- The Hunt for Red October Apple IIOxford Digital Enterprises Ltd.
- Total Eclipse Commodore C64/128/MAX, DOSMajor Developments
Tuesday 2 May
3 releases
- Gauntlet MacAtari Games
- Gunship PC-9800 SeriesMicroProse Software, Inc.
- The Stock Speculation Family Computer
Wednesday 3 May
1 release
- Marvel Land Arcade, Sega Mega Drive/GenesisNamco
Friday 12 May
1 release
- Teenage Mutant Ninja Turtles Family ComputerKonami
Saturday 13 May
1 release
- J.B. Harold 3: D.C. Connection PC-9800 SeriesRiverhillsoft
Tuesday 16 May
3 releases
- Angel Hearts PC-9800 SeriesELF Corporation
- Sarge DOSBally Midway
- Volfied ArcadeTaito
Friday 19 May
2 releases
- Baseball Stars Arcade, Family ComputerSNK
- Tenchi wo Kurau Family ComputerCapcom
Sunday 21 May
1 release
- Fantasy Zone II MSX2Sega Enterprises, Ltd.
Tuesday 23 May
2 releases
- Famicom Tantei Club Part II: Ushiro ni Tatsu Shoujo Family Computer Disk SystemNintendo R&D1
- Famicom Tantei Club Part II: Ushiro ni Tatsu Shoujo - Zenpen Family Computer Disk SystemNintendo R&D1
Thursday 25 May
5 releases
- Datenshi Kyouko Part 1 MSX
- Devil Zone MSX
- Power Golf TurboGrafx-16/PC EngineHudson Soft
- Sorcerian System New Scenario Vol.1: Uchuu kara no Houmonsa (1989) PC-8800 Series, Sharp X1Amorphous
- Violence Fight ArcadeTaito
Friday 26 May
4 releases
- Contra MSX2Konami
- Kaettekita! Gunjin Shogi: Nanya Sore!? Family Computer
- Little Ninja Brothers Family ComputerCulture Brain
- Star Trader PC-9800 SeriesNihon Falcom
Saturday 27 May
2 releases
- Dragon Buster II: Yami no Fuuin Family ComputerNamcot
- Susano O Densetsu TurboGrafx-16/PC Engine
Sunday 28 May
1 release
- Keiba Simulation: Honmei Family Computer
Monday 29 May
1 release
- Tennis Game BoyNintendo
Tuesday 30 May
1 release
- Lipstick. ADV MSXFairyTale
Wednesday 31 May
1 release
- Pinball Family Computer Disk SystemNintendo
Dates come from IGDB and move when publishers change them. Following counts are IGDB followers.