- Be sure to also play the Dark Base: Incubation
 - Richer and easier gameplay. Complete in-game tutorial. 4 game levels with 
   Arena rooms. Double camera mode: fixed or dynamic. Many new alien 
   species. Evoluted enemies' artificial intelligence. More powerful weapons 
   (SMG and shotgun). Grenade launcher, landmines and exploding barrels
   D-orgone beam portable cannon. Energetic armor to protect from damages
   Brighter graphic with available level map. More powerful flashlight to use in 
   darkness. Automatic savegame at the end of each level. 'Mastercastle' 
   rockband original soundtracks. Hollywood movies hi-quality professional 
   sound fx. ...and much more!
 - Instructions and controls are in-game.