You can turn on sound effects in the main menu, which is accessible by pressing the Esc key.
Arcade, 1988Freeware (installed), Freeware
Arcade, 1996Shareware (installed), Shareware
Arcade, 1997Full version (installed), Full version
Also known as PacPc
Also known as Zorlim's Pizza Worm
Arcade, 1994Freeware (installed), Freeware, Source code