Star Fox: Assault cheats and cheat codes for Gamecube

Survivor mode:
Finish story mode once

Demon Snipers in multi-player mode:
Collect all of the flags.

Xevious mini-game:
Finish story mode with all Silver friendship medals.

Unlock Wolf as playable:
Collect the friendship medals on all 10 levels

Aparoid City multi-player level:
Finish the Aparoid Homeworld: Breaching the Defenses level.

Corneria City multi-player level:
Finish the Corneria: War Comes Home level.

Fichina multi-player level:
Finish the Fichina: Into the Storm level.

Inner Sargasso Hideout multi-player level: 
Finish the Sargasso Space Zone: Hostilities Revisited level.

Katina Outpost multi-player level:
Finish the Katina: Frontier Base Battle level.

Outer Sargasso Hideout multi-player level: 
Finish the Sargasso Space Zone: Hostilities Revisited level.

Planet Sauria multi-player level:
Finish the Sauria: Reunion level.

Space Station multi-player level:
Finish the Orbital Gate: Incoming level.

Unlock other multi-player bonuses:
Complete the indicated number of multi-player matches

Zoness Sea Base map: 130
Titania Desert map: 40
Sure Shot Scuffle mode: 50
Star Wolf Team's Wolfen ship: 150
Special Items On/Off option: 5
Simple Map 5: 260 
Simple Map 4: 60
Predator Rockets: 170
Play as Peppy Hare: 15
Missile Launcher: 5
Missile Launcher Only mode: 10
Gattling Guns: 20
Fireburst Canon: 75
Crown Capture mode: 30
Cluster Bombs: 200
Booster Packs: 90
Booster Packs and Launcher Tilt: 230
Booster Pack Bout: 110

Rocket Launcher:
Play 5 multiplayer matches.

Saved allies:
Apariod Homeworld: Falco, and Slippy
Astriod Belt: Falco, Krystal, Falco, and Slippy
Cornera: Krystal, and Falco
Fichina: Slippy
Fortuna:Slippy, Falco, and Slippy
Homeworld Core: Slippy, Krystal, and Falco 
Katina outpost: Krystal, and Slippy
Orbital Gate: Slippy, and Krystal
Sargasso space zone: Krystal, and Falco
Sauria:Slippy, Falco

101: Multiplayer Equipment:
Different characters respawn with various power-ups in multiplayer mode. 
Krystal gets 2 layers of shields.
Slippy get a faster blaster charge (2x). 
Peppy get a faster blaster charge (4x).