Press 0 on the Num Pad to place bombs.
Note that both Duel and Level Play modes start with two players by default, so don't forget to set the number of players to one to play solo games.
Arcade, 1999Freeware, Extra, Freeware, Source code
Arcade, 1996Shareware (installed), Shareware
Arcade, 1997Shareware (installed), Full version
Also known as PacPc
Also known as Zorlim's Pizza Worm
Arcade, 1994Freeware (installed), Freeware, Source code
Also known as Scorched Earth: Mother of All Games
Arcade, 1988Full version (installed), Full version
Arcade, 1993Shareware (installed), Shareware