Kill ten enemies with the bomb
Kill hundred enemies with the bomb
Complete every bonus operation
Complete a bonus operation
Collect fifty green essence
Collect two hundred green essence
Collect five hundred green essence
Unlock all achievements and complete the game
Complete all operations
Beat the boss in the earth sector
Make small wood out of every boss in the game
Defeat all minibosses
Beat the boss in the bonus sector
Beat the boss in the first sector
Beat the boss in the third sector
Kill ten enemies
Kill two hundred enemies
Kill thousand enemies
Beat the boss in the second sector
Defeat a miniboss
Beat the boss of the past
Beat the boss in the fourth sector
Complete half of the operations
Complete your first operation
Exceed your old highscore in endless mode
Master one or more operations in endless mode
Master two or more operations in endless mode
Master three or more operations in endless mode
Equip a module in the hangar
Go to Akbar to beef up your ship
Equip a new weapon
Complete all past operations
Complete an operation in the past
Cleanse the first sector
Free the second sector
Conquer the earth sector
Cleanse the third sector
Save all of the sectors
Chat with a colleague
Speak to every colleague at least one time
Use module 1 twenty times
Hit twenty enemies with module 2
Hit enemies with module 3 twenty times
Fight with three instances of module 4
Let module 5 heal hundred health points
Visit all rooms in the base
Pay your colleagues a visit in the hangar
Complete an operation with the second weapon
Complete an operation with the third weapon
Complete an operation with the fourth weapon
