Complete the Bubble City
Complete the Forest Section
Complete the Desert Region
Complete Ground Zero
Complete the Crystal Palace
Complete the Weapons Factory
Complete the Power Plant
Complete the Science Complex
Complete the Molten Zone
Complete Ground Zero Part 2
Complete Bubble City Part 2
Complete the Sunset Strip
Complete levels 1 - 50 in one game
Complete levels 1 - 50 in one game without using any continues
Max out the multiplier score (10x)
Collect and use the U.Z. Cannon
Collect and use the Nitro Inject
Collect and use the Cruise Missle
Collect and use the Electro Shield
Reach top of the (default) high scores list by earning at least 100,000 points
Reset the Score display by earning over 999,999 points
Complete the Bubble City without crashing
Complete the Forest Section without crashing
Complete the Desert Region without crashing
Complete Ground Zero without crashing
Complete the Crystal Palace without crashing
Complete the Weapons Factory without crashing
Complete the Power Plant without crashing
Complete the Science Complex without crashing
Complete the Molten Zone without crashing
Complete Ground Zero Part 2 without crashing
Complete Bubble City Part 2 without crashing
Complete the Sunset Strip without crashing