Escape from Tethys Platinum
Good job! Completed all tasks!
Industrial Sabotage
Encounter the IRI Assassin.
Deep Dweller
Defeat the rock creature in the caverns.
Rogue Scientist
Put the rogue scientist to rest.
Hostile Waters
Destroy the reef guardians.
We Meet Again
Defeat the IRI Assassin for the second time.
Haywire
Destroy the missile frigate.
Final Encounter
Defeat the IRI Assassin for the last time.
An Easy Escape
Finish the game on Easy Mode.
Escape from Tethys
Finish the game on Normal Mode.
A Hasty Escape
Finish the game in under 90 minutes.
Locked and Loaded
Find all the ammo upgrades.
Artificial Enhancement
Find all the health upgrades.
Tech Expert
Find every upgrade.
Tethys Explorer
Explore every area on Tethys.
Mysterious Planet
Unlock the high-security gate.