| Game | Platform | Release Date | Overview | Front Cover | Back Cover | Fan Art | Title Screen | Screenshots | Clear Logo |
|---|---|---|---|---|---|---|---|---|---|
| Alien Front #101767 | Arcade | 2001-10-01 | ✓ | ✓ | ✓ | Missing | Missing | ✓ | Missing |
| Alien Garden #30328 | Commodore 64 | 1982-01-01 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| Alien Garden #63529 | Atari 800 | 1982-01-01 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| Alien Gate #14856 | Philips CD-i | 1992-01-01 | ✓ | ✓ | ✓ | Missing | Missing | Missing | Missing |
| Alien Greed #52216 | Atari 2600 | 2007-07-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | ✓ |
| Alien Greed 3 #52218 | Atari 2600 | 2010-08-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | ✓ |
| Alien Greed 4 #98699 | Atari 2600 | 2012-07-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Alien Greed II #52217 | Atari 2600 | 2008-06-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | ✓ |
| Alien Hallway #17021 | PC | 2011-08-19 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Havoc #26489 | Sony Playstation Portable | 2009-10-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Alien Havoc #138334 | Sony Playstation Vita | 2009-10-01 | ✓ | Missing | Missing | Missing | Missing | Missing | Missing |
| Alien Highway #38884 | Sinclair ZX Spectrum | 1985-08-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Holocaust #132794 | Atari 2600 | 2022-10-12 | ✓ | ✓ | ✓ | Missing | Missing | ✓ | Missing |
| Alien Hominid #94282 | Sony Playstation 2 | 2004-11-23 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| Alien Hominid HD #19579 | Microsoft Xbox 360 | 2007-02-28 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Hominid Invasion #121066 | Nintendo Switch | 2023-11-01 | ✓ | ✓ | Missing | Missing | ✓ | ✓ | Missing |
| Alien Hominid Invasion #141482 | PC | 2023-11-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Hominid Invasion #141483 | Microsoft Xbox One | 2023-11-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Hominid Invasion #141484 | Microsoft Xbox Series X | 2023-11-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Hominid Invasion #141485 | Sony Playstation 4 | 2025-06-10 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Hominid Invasion #141486 | Sony Playstation 5 | 2025-06-10 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Hunter #133758 | Commodore VIC-20 | 1982-01-01 | Missing | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Incident #19941 | PC | 1996-04-10 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Insects #118483 | Sinclair ZX Spectrum | 1983-01-01 | Missing | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Invaders #62114 | Emerson Arcadia 2001 | 1982-06-01 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| Alien Invaders #132941 | Sinclair ZX81 | 1970-01-01 | Missing | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Invaders [Leisure Vision] #126375 | Emerson Arcadia 2001 | 1982-06-01 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| Alien Invaders [Schmid TVG 2000] #126376 | Emerson Arcadia 2001 | 1982-06-01 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| Alien Invaders Plus #22811 | Magnavox Odyssey 2 | 1978-01-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Alien Invasion #125434 | Acorn Archimedes | 1990-01-01 | Missing | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Invasion #132769 | Sinclair ZX81 | 1970-01-01 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| Alien Invasion #133991 | BBC Micro | 1984-01-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Invasion #137425 | Commodore VIC-20 | 1982-01-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Isolation [Ripley Edition] #78918 | Sony Playstation 4 | 2014-10-07 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Alien Isolation [Ripley Edition] #98472 | Sony Playstation 3 | 2014-10-07 | ✓ | ✓ | ✓ | Missing | Missing | ✓ | Missing |
| Alien Kill II : The Final Encounter #133598 | Commodore 64 | 1988-01-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Legacy #20105 | PC | 1994-05-14 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Alien Legion #128567 | Amiga | 1989-01-01 | ✓ | ✓ | Missing | Missing | ✓ | Missing | Missing |
| Alien Logic #19263 | PC | 1994-01-01 | ✓ | ✓ | ✓ | Missing | Missing | Missing | Missing |
| Alien Mind #132916 | Sinclair ZX81 | 1970-01-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Monster Bowling League #32484 | Nintendo Wii | 2009-10-20 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Alien Nations #20135 | PC | 1999-06-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Odyssey #23937 | PC | 1995-01-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Alien Olympics 2044 AD #21581 | Nintendo Game Boy | 1992-01-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Alien on the Run #98494 | Nintendo 3DS | 2014-05-22 | Missing | ✓ | Missing | Missing | ✓ | ✓ | Missing |
| Alien Overun #139188 | Commodore VIC-20 | 1982-01-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| ALIEN PANIC #67090 | Commodore 64 | 1983-01-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Alien Panic #133759 | Commodore VIC-20 | 1983-01-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Panic #137521 | Commodore VIC-20 | 1982-01-01 | Missing | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Alien Panic! #98495 | Nintendo 3DS | 2016-01-13 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |