Area 51 games in order

All 4 games of the Area 51 series in the order they came out, from Area 51 (1995) to BlackSite: Area 51 (2007).

1. 
   Area 51Arcade, PC, Saturn +1 · Atari Games (pub.)
   68Oct 1995
2. 
   Area 51: Site 4Arcade · Atari Games
   Sep 1998
3. 
   Area 51PC, PS2, Xbox · Midway Austin
   7725 Apr
4. 
   BlackSite: Area 51PC, PS3, Xbox 360 · Midway Austin
   5812 Nov