Save at a beacon.
Destroy a crate.
Equip a skill.
Fill all your inventory slots.
Clear the fallen rocks on DROPSITE.
Find all walker leg parts on DROPSITE.
Use a repair cat to fix all damaged doors on SARGASSO.
Guide the transport walker to the Eastern drill site on HYDROTHERMAL.
Operate a giant beam device on RUIN.
Make 4 power seeds on SARGASSO.
Collect all special gems on HYDROTHERMAL.
Capture and jail 4 pirates on WRECKS.
Solve both switch puzzles on FORTRESS.
Solve the giant ring puzzle on CATACLYSM.
Defeat the infected drill.
Weed out the rogue experiment.
Vanquish the giant worm.
Shatter the 3 saw machines.
Ruin the ancient guardian.
Pulverize the pirate battleship.
Suppress the infected transporter.
Annihilate the final opponent.