| Achievement | Global Unlocks | |
|---|---|---|
|
Gorgon Takedown Score 1,000 points. |
5 | |
|
Gorgon Nightmare Score 20,000 points. [Hard Only] |
1 | |
|
Gorgon Annihilator Score 40,000 points. [Medium/Hard Only] |
1 | |
|
Acropolis Marksman Survive the third day. [Medium/Hard Only] |
2 | |
|
It Only Gets Harder From Here Survive the first day. |
12 | |
|
Gorgon Exterminator Score 60,000 points. [Medium/Hard Only] |
1 | |
|
Artillery Expert Survive the first three days without using the Sentinel Saucer. |
3 | |
|
Atlantean Defender Survive the fifth day. [Medium/Hard Only] |
1 | |
|
General Tarrick's Second-In-Command Survive the fifth day. [Hard Only] |
1 | |
|
Sunken Slumber Survive the eleventh day and "beat" the game. |
1 | |
|
History Can't Be Changed Survive the eleventh day and "beat" the game. [Hard Only] |
1 | |
|
Gorgon Destroyer Score 10,000 points. [Medium/Hard Only] |
1 | |
|
Guardian of Atlantis Survive the eighth day. [Medium/Hard Only] |
1 | |
|
Gorgon Wrecker Score 5,000 points. |
2 | |
|
Gorgon Devastator Score 20,000 points. [Medium/Hard Only] |
1 |