The following are known Action Replay Codes for Worms Blast on Nintendo GameCube (GCN).

These codes are for the European version of the game.

Master Code – Must Be On
QM3Q-UJN2-1J108
GMR1-6H09-ZPNNA

Freeze Most Timers
JU5R-PVX0-2ZDF4
ENF8-PMZ7-3GZDK

Infinite Health (Can Still Be Sunk)
UTHT-DCJC-2F3W5
PUAD-GK1Z-A0TGK