Hitman 2: Silent Assassin Cheats for GameCube

Type in the following case sensitive (without the quotes) codes during gameplay to enable the corresponding effect.
Fly and Attack:
Type 'IOIAIR'
Play as Father Vittorio:
Type 'IOILAWS'

This option which allows you to select the level of your choice without playing through the game becomes available if you edit the 'hitman2.ini' file changing 'DefaultScene=AllLevels/logos.gms' to 'DefaultScene=AllLevels/levelmenu.gms'.

God Mode:
Right, Left, Up, Down, A, Right, Left, Right, Left.
All Weapons:
Right, Left, Up, Down, A, Up, B, A.
Full Heal:
Right, Left, Up, Down, A, Up, Down.
Nailgun Mode:
Right, Left, Up, Down, A, Left, Left.
Equips Stealth Weapons:
Right, Left, Up, Down, A, Up, Right, Right.
Explosive Bullets:
Right, Left, Up, Down, A, Up, Left.
Megaforce:
Right, Left, Up, Down, A, Up, Up.
Sawed-off Shotgun:
With a Silent Assassin rank successfully complete 2 levels to get the
Sawed-off Shotgun.
M4:
With a Silent Assassin rank successfully complete 5 levels or complete the Shogun Showdown to get the M4.

M4 - Complete 5 levels with a (Silent Assassin) rank

Sawed-Off Shotgun - Complete 2 levels while playing as (Silent Assassin) rank