Tunnel B1 (PlayStation)

GameShark, Pro Action Replay, Xploder, and Xplorer Codes

Note:
A GameShark or Pro Action Replay cartridge is required to use the codes featured below.

North American (NTSC) version

Official codes from InterAct.
Codes from The Game Shark Code Creator's Club.

European and Australian (PAL) versions

Unlimited energy:
300C413C 0004

Unlimited lives:
80188A2C 0009

Unlimited time:
300C41BA 001F

Unlimited turbo boost:
800AB790 FFFE
800C414A 03E8

Unlimited triple gun:
300C4197 0003

Unlimited double rockets:
300C418C 000A
300C4198 0002

Unlimited double special rockets:
8007469E 0000
80074958 0000

Unlimited double laser:
300C418E 000A
300C419A 0002

Unlimited unknown weapon:
300C418F 000A
300C419B 0001

Unlimited light balls:
300C4190 000A
300C419C 0001

Unlimited mines:
300C4191 000A
300C419D 0001

Codes from The Game Shark Code Creator's Club.