Star Fox Assault

Various characters respawn with different power-ups in multiplayer. Krystal gets two layers of shields after re-entering the match. Slippy respawns with a faster blaster charge (2x). Peppy respawns with a faster blaster charge (4x).

Collect all 50 flags in 1 player mode.

Complete these levels once to unlock multiplayer stages:

Planet Sauria: Beat Sauria: Reunion
Fichina: Beat Fichina: Into the Storm
Outer Sargasso Hideout: Beat Sargasso Space Zone: Hostilities Revisited
Katina Outpost: Beat Katina: Frontier Base Battle
Inner Sargasso Hideout: Beat Sargasso Space Zone: Hostilities Revisited
Space Station: Beat Orbital Gate: Incoming
Corneria City: Beat Corneria: War Comes Home
Aparoid City: Beat Aparoid Homeworld: Breaching the Defenses

Press Z while in the air in your Arwing, and you'll be standing on top of it while it glides. You can use any of your weapons during this time.

To unlock the rocket launcher in multiplayer play 5 multiplayer matches.

To unlock Survivor mode beat Star Fox: Assault single player mode.

Press the Z button when you are not near a vechicle. Your character will Taunt.

Play a certain number of multiplayer matches to unlock these items:

5 matches: Missile Launcher
10 matches: Missile Launcher only mode
15 matches: Peppy Hare as Playable
20 matches: Gattling Guns
30 matches: Crown Capture Mode
40 matches: Titania Desert Stage
50 matches: Sure-Shot Scuffle mode
60 matches: Simple Map 4
75 matches: Fire burst Pods
90 matches: Booster Packs
110 matches: Booster Packs Brawl mode
130 matches: Zones Sea Base stage
150 matches: Wolfen
170 matches: Predator Rockets
200 matches: Cluster Bombs
230 matches: Booster Pack and Launcher Tilt Mode
260 matches: Stage: Simple Map 5

To unlock Wolf O'Donnell for multiplayer, collect every Friendship medal for a certain difficulty (Bronze is obviously the easiest). A friendship medal is not letting a team mate die.

Get every silver medal in story mode to unlock Xevious in Star Fox: Assault.