Collect 10 spares
Collect 50 spares
Collect 100 spares
Collect 300 spares
Collect 500 spares
Eliminate 10 enemies
Eliminate 50 enemies
Eliminate 100 enemies
Break 10 boxes
Break 50 boxes
Break 100 boxes
Start the game
Find something in the collector
Finish the game without being damaged
Find old arcade machine
Beat the Boss!
Jump into the water
Fix the water pipes
Finish the game
Break into the computer.
Find the Engineer