Earth Defense Force: Insect Armageddon
51 Achievements
11-13h
PS3
Survive-O-Rama
Survive 500 (total) waves in Survival mode I will survive!
3.3%
How to unlock the Survive-O-Rama achievement in Earth Defense Force: Insect Armageddon - Definitive Guide
Simply survive a grand total of 500 waves in Survival Mode. This can be done over time. The first 5 waves will take you no more than 20 minutes each time. You can also simply play the first 3 waves as they're super fast and simple. Just quit and redo them to cut down on your grind time.