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 wonFarewellRefuse the ritual 05 July 2019 - Add a guideThe Shadow Out of TimeDiscover all the murals of the disappeared tribe 05 July 2019 - Add a guideDetective historianPiece together Margaret Wyckwood's memoirs 05 July 2019 - Add a guideJohn Raymond LegrasseFind 20 hidden items 05 July 2019 - 1 guideFluent in R’lyehianChoose all the replies in R’lyehian 03 July 2019 - Add a guideNameless CultsRefuse to take part in the ritual 03 July 2019 - Add a guideThe Rats in the WallsMake the suspects talk by using a heavy hand 03 July 2019 - Add a guideMore sober than Zadok AllenNever drink 03 July 2019 - Add a guideComplete revelationRead all the books of unholy knowledge 03 July 2019 - Add a guideHippocratic OathHeal all the patients 03 July 2019 - Add a guideStrange secretsFind occult items 03 July 2019 - Add a guideThe Thing on the DoorstepBanish the Dimensional Shambler using only one dagger 03 July 2019 - Add a guideThe delusional investigatorBe the plaything of an hallucination 03 July 2019 - Add a guideThe Call of CthulhuInvoke Cthulhu! 02 July 2019 - Add a guideFight destinySuccessfully carry out the counter ritual 02 July 2019 - Add a guideThe voice beyond the graveChat with a vision 02 July 2019 - 1 guideVoyage into historyOpen the sailor's chest in the whaling station 02 July 2019 - Add a guideThe Beast in the CaveEnter the beast’s den 02 July 2019 - Add a guideThe Good SamaritanSave Mitchell 02 July 2019 - Add a guideThe Abomination of DarkwaterKill 5 inhabitants who are being controlled 02 July 2019 - Add a guideIn the footsteps of Daniel UptonKill or spare Bradley 02 July 2019 - Add a guideAttack the docksEscape your fallen territory 02 July 2019 - Add a guideCompanion in armsSave Drake's life during the fight with the creature 02 July 2019 - 1 guideThe OutsiderBanish the creature for good 02 July 2019 - Add a guideThe dreamlike investigationAccept the revelations 01 July 2019 - Add a guideShared guiltPush Irene Sanders to the limit 01 July 2019 - Add a guideThe amulet of the AncientsLay your hands on Algernon Drake's treasure 01 July 2019 - Add a guideThe curse of SarahFind Sarah Hawkins 01 July 2019 - 1 guideThe most trivial objectDiscover all the small blue bottles 01 July 2019 - Add a guideCaught in the trapFall into Fuller's trap 30 June 2019 - Add a guideScholar of the unspeakableMeet Algernon Drake and accept his help 30 June 2019 - Add a guideThe White ShipLearn the secret of the Scylla 30 June 2019 - 1 guideThe BookRead the Necronomicon 30 June 2019 - Add a guideJack of all tradesInspect 50 items 30 June 2019 - Add a guideFrom BeyondBanish the Dimensional Shambler 30 June 2019 - Add a guideBeyond realityAccept to read an unholy book 30 June 2019 - Add a guideThe aficionado of horrorMeet Francis Sanders 30 June 2019 - Add a guideSandmanMake a deal with a crazed inmate 30 June 2019 - Add a guideThe TempleTake part in the ritual in the caves 30 June 2019 - Add a guideThe pit of horrorFall into the sacrificial pit 30 June 2019 - Add a guideDetective Edward PierceReach the level of Expert in a skill 30 June 2019 - Add a guideThe Secret CaveDiscover the mansion’s secret passage 30 June 2019 - Add a guideA brilliant mindUse the globe to open the secret passage 30 June 2019 - Add a guideMemoryExplore the memories of the Hawkins family 30 June 2019 - Add a guideThe Terrible Old ManConvince the caretaker to help you 30 June 2019 - 1 guideThe Strange High HouseGet driven to the Hawkins Mansion 30 June 2019 - Add a guideNo prohibition for DarkwaterDeliver liquor to the sailors 30 June 2019 - Add a guideEx OblivioneFail a skill test 30 June 2019 - 1 guideThe Sarah Hawkins caseAccept the Sarah Hawkins case 30 June 2019 - Add a guide