0 An End to EvilComplete campaign (all missions) on Normal difficulty.
0 Basic TrainingComplete 'Basic Training' to gain this achievement.
0 Battle VictorComplete 'The Battle of Pudding Lane' with a score of 1100 or more.
0 Battle WinnerComplete mission 'The Battle of Pudding Lane' to gain this achievement.
0 Burying the DeadComplete mission 'Burying the Dead' to gain this achievement.
0 Chess with the DeadComplete mission 'Chess with the Dead' to gain this achievement.
0 Cult HunterComplete campaign and keep the main investigators alive.
0 Dead and BuriedComplete 'Burying the Dead' with a score of 1100 or more.
0 Dead and DreamingComplete 'Not Dead But Dreaming' with a score of 1100 or more.
0 Dead DraughtsComplete 'Chess with the Dead' with a score of 1100 or more.
0 DeanimatorKill 50 Reanimates.
0 Death by GasComplete Mission 'Death by Gas' to gain this achievement.
0 Death of GasComplete 'Death by Gas' with a score of 1100 or more.
0 Many Many VoicesComplete 'The Many Voices' with a score of 1100 or more.
0 Minds of SteelComplete campaign without any units going insane.
0 Miskatonic AlumniComplete campaign; main units alive, score 10000+.
0 Not Dead YetComplete Mission 'Not Dead But Dreaming' to gain this achievement.
0 Reanimate SlayerKill 25 Reanimates.
0 Super RaiderComplete 'The Raid' with a score of 1100 or more.
0 The Fire ShoutsComplete 'The Fire Speaks' with a score of 1100 or more.
0 The Fire SpeaksComplete mission 'The Fire Speaks' to gain this achievement.
0 The Hard RoadComplete campaign (all missions) on Hard difficulty.
0 The Many VoicesComplete mission 'The Many Voices' to gain this achievement.
0 The RaidComplete mission 'The Raid' to gain this achievement.
0 The Thunder RoarsComplete 'The Thunder Speaks' with a score of 1100 or more.
0 The Warning ThunderComplete mission 'The Thunder Speaks' to gain this achievement.