To unlock Y the Alien collect all 20 alien icons in each level of the game.
Unlock 'Y' the Alien
Achievements
| Unlockable | How to Unlock |
|---|---|
| Alien Contact (20) | Collect all 100 'Alien' icons in single player to unlock a secret craft. |
| Charge-Up Pro (20) | Fire 100 Charge-Up Attacks. |
| Charge-Up Trainee (5) | Fire 10 Charge-Up Attacks. |
| Grease Monkey (10) | Collect enough Salvage Points to fully upgrade one vehicle. |
| King O' Online (20) | Win 10 online multiplayer battles. |
| Learner's Permit (5) | Defeat any vehicle in any mode. |
| Quest: High Octane (30) | Complete single player Quest Mode on Hard mode. |
| Quest: Super Unleaded (20) | Complete single player Quest Mode on Medium mode. |
| Quest: Unleaded (10) | Complete single player Quest Mode on Easy mode. |
| Top Mechanic (30) | Collect enough Salvage Points to fully upgrade all eight vehicles. |
| Total Pro (20) | Destroy 100 cars by 'totaling' them. |
| Whammy Master (10) | Achieve 100 Whammies. |
