Red Faction: Armageddon
59 Achievements
12-15h
PS3
Knock, Knock
Open up the secret entrance.
31.5%
How to unlock the Knock, Knock achievement in Red Faction: Armageddon - Definitive Guide
Qonok
TrueAchievements
TrueAchievements
Story related. Level 18.
DarkRaven666, Terminator, DLC
Story-related. Cannot be missed. You will earn this trophy at the end of the chapter The Road Less Travelled.
jamie1000013, obehavewan
This is story-related and cannot be missed. It will unlock during level 18.