Unlock Gex Beat the game with all three characters, complete all time, stunt, and cash trials, do 10 attacks at each level, and get all the medals.

Unlock Hex Beat the game with each of the 3 main characters (Sid, Zero-G, and Chops).

Unlock Roscoe Get 20 Hex Bux in all 8 levels.

Unlock Synder Complete the time challenge for each level.

Unlock Tek-9 Beat the game with any character

Unlock Tremmel King Get the 3 shortcut medals in all of the levels.