You can turn on sound effects in the main menu, which is accessible by pressing the Esc key.
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