Clear the game in normal difficulty

Defeat 15th Colossus

Defeat 13th Colossus

Defeat 11th Colossus

Defeat 9th Colossus

Defeat 7th Colossus

Defeat 5th Colossus

Completed the mission "The Once and Future Slab"

Completed the mission "Wildlife Preservation"

Completed the mission "Bright Lights, Flying City"

Completed the mission "A Train To Catch"

Killed a Constructor without it ever building another bot