Company
Sigma Team Inc.
12 games on IGDB
Each point is one game's rating·dashed lines show each series' overall trend
Games on the chart (7)
 Zombie Shooter | Dec 29, 2007 | Main Game | – | 67 | 67 |
 Alien Shooter: Revisited | Apr 15, 2009 | Main Game | – | 55 | 55 |
 Zombie Shooter 2 | Oct 3, 2009 | Main Game | – | 70 | 70 |
 Alien Hallway | Dec 5, 2010 | Main Game | – | 50 | 50 |
 Alien Shooter 2 Conscription | Apr 5, 2012 | Main Game | – | 63 | 63 |
 Alien Hallway 2 | Oct 5, 2017 | Main Game | – | 50 | 50 |
 Alien Shooter 2: The Legend | Jan 9, 2019 | Main Game | – | 50 | 50 |