Completed the first area
Completed the second area
Completed the game
Completed the game with perfection
Collected all of the tapes within the areas
Purchased all of the available upgrades
Completed the third area
Completed the fourth area
Completed the fifth area
Completely shut down the first area
Completely shut down the second area
Completely shut down the third area
Completely shut down the fourth area
Completely shut down the fifth area