eXtinction 1.3 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The common filename for the program's installer is eXtinction.exe. EXtinction is categorized as Games. This software is a product of CGS Software. The most popular versions among the software users are 1.3 and 1.0. You can set up eXtinction on Windows XP/7/8/10/11 32 and 64-bit. We recommend checking the downloaded files with any free antivirus.
From the developer:
3D arcade platform game - 30 game levels, 6 bosses, 17 soundtracks, and non-stop action! Fight your way through the enemy lines, destroy 6 class-3 symbiotic organisms responsible for alien infestation and save mankind!
Features:
-30 action packed game levels
-6 different Zones
-Many different enemies
-6 Bosses
-17 unique soundtracks (1h 13min of Music)
-Hi-res animations
-New weapons
-Advanced particle and lighting effects
You may want to check out more software, such as ArchiCrypt Rescue-Master 2008, Zoo Tycoon 2 - Ultimate Collection or Freespace: Evolution, which might be similar to eXtinction.