- Playstation 4
Unlock Worlds:
At the 'Character' selection screen select 'Load' and enter the following passwords (without the quotes) as a name to unlock the corresponding world
Brian The Brain and Space World:
Enter 'BRAINSALAD' as a name to unlock Brian The Brain and Space world or alternately, win Smack Attack, Gate Relay, and Flag Relay in ALL 3 levels of the Space world.
Count Earl and Transylvania World:
Enter 'EARLSPLACE' as a name to unlock Count Earl and Transylvania world or alternately, win Smack Attack, Gate Relay, and Flag Relay in ALL 3 levels of the Transylvania world.
T. Wrecks and Jungle World:
Enter 'TWRECKSPAD' as a name to unlock T. Wrecks and Jungle world or alternately, win Smack Attack, Gate Relay, and Flag Relay in ALL 3 levels of the Jungle world.
Whack Angus and Desert World:
Enter 'WHACKLAND' as a name to unlock Whack Angus and Desert world or alternately, unlock ALL modes (Smack Attack, Flag Rally, Gate Relay), then win ALL 3 levels in the Desert world in each one (total of nine).
Achievements:
Complete the following tasks to unlock PlayStation trophy rewards.
Be The Boss (Bronze): Earn a first place finish in each Desert level in Smack Attack, Gate Relay and Flag Rally modes.
Collector (Bronze): Win all levels in Flag Rally mode.
Dodgy (Bronze): Complete 10 sideways dodges in one match by using the right stick or L1/R1 buttons.
Drifter (Bronze): Earn double smacks by damaging an opponent in Smack Attack while powersliding with the brake.
Finale (Bronze): Win 12 different matches with a single character.
Flipping Out (Bronze): Earn 10 boosts in one match by completing forward flips with the right stick.
Hoarder (Bronze): Win Flag Rally with at least two captures of 3 or more flags at a time.
New Talent (Bronze): Win any level.
Nitro (Bronze): Win Gate Relay having used turbo boost 20 times.
No Favorites (Bronze): Win Smack Attack while getting points from at least 10 different weapons.
Purist (Bronze): Win Smack Attack while using only your character's favorite weapon.
Smacker (Bronze): Win all levels in Smack Attack mode.
Smart Coyote (Bronze): In Death Valley, drop the 100 tonne weight on an opponent by shooting the nearby target with your Basic Attack.
Speedster (Bronze): Win all levels in Gate Relay mode.
Steamroller (Bronze): Flatten 3 opponents in one Gate Relay race by dodging into them with the right stick or L1/R1 buttons.
Toon Star (Gold): Win all levels in all modes.