Call of Cthulhu Achievements Here is the full list of all 49 Call of Cthulhu achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.Filter Achievement View View Image viewList view Sort by Won first then by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc Flag Filter All None 49 Offline Mode 49 Single Player 19 Main Storyline 7 Collectable 25 Missable 1 Cumulative + 1 Level Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply AllWonNot wonNameless CultsRefuse to take part in the ritual 17 February 2019 - Add a guideThe Shadow Out of TimeDiscover all the murals of the disappeared tribe 17 February 2019 - Add a guideThe Rats in the WallsMake the suspects talk by using a heavy hand 17 February 2019 - Add a guideShared guiltPush Irene Sanders to the limit 17 February 2019 - Add a guideComplete revelationRead all the books of unholy knowledge 17 February 2019 - Add a guideThe most trivial objectDiscover all the small blue bottles 15 February 2019 - Add a guideStrange secretsFind occult items 15 February 2019 - Add a guideBeyond realityAccept to read an unholy book 15 February 2019 - Add a guideSandmanMake a deal with a crazed inmate 15 February 2019 - Add a guideThe delusional investigatorBe the plaything of an hallucination 14 February 2019 - Add a guideNo prohibition for DarkwaterDeliver liquor to the sailors 14 February 2019 - Add a guideThe Call of CthulhuInvoke Cthulhu! 13 February 2019 - Add a guideFluent in R’lyehianChoose all the replies in R’lyehian 13 February 2019 - Add a guideFarewellRefuse the ritual 13 February 2019 - Add a guideFight destinySuccessfully carry out the counter ritual 13 February 2019 - Add a guideThe voice beyond the graveChat with a vision 13 February 2019 - 1 guideVoyage into historyOpen the sailor's chest in the whaling station 13 February 2019 - Add a guideThe Beast in the CaveEnter the beast’s den 13 February 2019 - Add a guideJohn Raymond LegrasseFind 20 hidden items 13 February 2019 - 1 guideDetective historianPiece together Margaret Wyckwood's memoirs 13 February 2019 - Add a guideThe Good SamaritanSave Mitchell 13 February 2019 - Add a guideThe Abomination of DarkwaterKill 5 inhabitants who are being controlled 13 February 2019 - Add a guideIn the footsteps of Daniel UptonKill or spare Bradley 13 February 2019 - Add a guideAttack the docksEscape your fallen territory 13 February 2019 - Add a guideCompanion in armsSave Drake's life during the fight with the creature 13 February 2019 - 1 guideThe OutsiderBanish the creature for good 13 February 2019 - Add a guideThe dreamlike investigationAccept the revelations 13 February 2019 - Add a guideMore sober than Zadok AllenNever drink 13 February 2019 - Add a guideThe amulet of the AncientsLay your hands on Algernon Drake's treasure 13 February 2019 - Add a guideThe curse of SarahFind Sarah Hawkins 13 February 2019 - 1 guideCaught in the trapFall into Fuller's trap 12 February 2019 - Add a guideScholar of the unspeakableMeet Algernon Drake and accept his help 12 February 2019 - Add a guideThe White ShipLearn the secret of the Scylla 12 February 2019 - 1 guideHippocratic OathHeal all the patients 11 February 2019 - Add a guideThe BookRead the Necronomicon 11 February 2019 - Add a guideFrom BeyondBanish the Dimensional Shambler 10 February 2019 - Add a guideThe Thing on the DoorstepBanish the Dimensional Shambler using only one dagger 10 February 2019 - Add a guideJack of all tradesInspect 50 items 10 February 2019 - Add a guideThe aficionado of horrorMeet Francis Sanders 10 February 2019 - Add a guideThe TempleTake part in the ritual in the caves 10 February 2019 - Add a guideThe pit of horrorFall into the sacrificial pit 10 February 2019 - Add a guideThe Secret CaveDiscover the mansion’s secret passage 09 February 2019 - Add a guideA brilliant mindUse the globe to open the secret passage 09 February 2019 - Add a guideMemoryExplore the memories of the Hawkins family 09 February 2019 - Add a guideThe Terrible Old ManConvince the caretaker to help you 09 February 2019 - 1 guideThe Strange High HouseGet driven to the Hawkins Mansion 09 February 2019 - Add a guideThe Sarah Hawkins caseAccept the Sarah Hawkins case 09 February 2019 - Add a guideEx OblivioneFail a skill test 09 February 2019 - 1 guideDetective Edward PierceReach the level of Expert in a skill 09 February 2019 - Add a guide