The demo version includes three regular stages and two bonus stages.
This is a liberated game: it was originally sold, but on 18 April 2006 author Clay Hellman released the full version as freeware (please see the links section below for the download).
Shareware (installed), Shareware
|Dev:||The Toxic Zombies|
|Pub:||Webfoot Technologies, Ticsoft|
|Dev:||The Bit Bucket Brothers|
Also known as Zorlim's Pizza Worm
Freeware (installed), Freeware, Source code
Also known as Scorched Earth: Mother of All Games