[citation needed] It is the spiritual successor to the tech-demo Terep 2 by lead programmer Dénes Nagymáthé.

[3] Levels are set in real world locations, scattered throughout North America, Europe, Africa, Asia and Australia.

Players can drive cars of their choices in either of nine events, which include Capture the Flag, Jamboree, Gate Hunt, Destruction Zone, Pathfinder, Off-Road Racing, Return the Flag, and Free Roam, which, exclusively, is available in practice mode.

[4] Samuel Bass of NextGen said, "A fun, flawed game, 1nsane doesn't quite live up to the expectations raised by its ambitious design.

"[16] Computer Games Strategy Plus gave it a favorable review, a few weeks before its U.S. release date.