Here is the full list of all 22 Call of Cthulhu: The Wasted Land achievements.
Complete 'The Battle of Pudding Lane' with a score of 1100 or more.
Complete Mission 'Not Dead But Dreaming' to gain this achievement.
Complete 'Not Dead But Dreaming' with a score of 1100 or more.
Complete campaign (all missions) on Hard difficulty.
Complete mission 'The Thunder Speaks' to gain this achievement.
Complete 'The Thunder Speaks' with a score of 1100 or more.
Complete mission 'Chess with the Dead' to gain this achievement.
Complete 'Chess with the Dead' with a score of 1100 or more.
Complete 'The Fire Speaks' with a score of 1100 or more.
Complete mission 'The Fire Speaks' to gain this achievement.
Complete Mission 'Death by Gas' to gain this achievement.
Complete 'Death by Gas' with a score of 1100 or more.
Complete mission 'Burying the Dead' to gain this achievement.
Complete 'Burying the Dead' with a score of 1100 or more.
Kill 50 Reanimates.
Complete mission 'The Many Voices' to gain this achievement.
Complete 'The Many Voices' with a score of 1100 or more.
Kill 25 Reanimates.
Complete 'The Raid' with a score of 1100 or more.
Complete mission 'The Raid' to gain this achievement.
Complete mission 'The Battle of Pudding Lane' to gain this achievement.
Complete 'Basic Training' to gain this achievement.