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 23 February 2020 - Add a guideA brilliant mindUse the globe to open the secret passage 23 February 2020 - Add a guideNameless CultsRefuse to take part in the ritual 23 February 2020 - Add a guideFight destinySuccessfully carry out the counter ritual 23 February 2020 - Add a guideThe Call of CthulhuInvoke Cthulhu! 23 February 2020 - Add a guideFluent in R’lyehianChoose all the replies in R’lyehian 23 February 2020 - Add a guideThe voice beyond the graveChat with a vision 23 February 2020 - 1 guideThe Shadow Out of TimeDiscover all the murals of the disappeared tribe 23 February 2020 - Add a guideVoyage into historyOpen the sailor's chest in the whaling station 23 February 2020 - Add a guideThe Beast in the CaveEnter the beast’s den 23 February 2020 - Add a guideJohn Raymond LegrasseFind 20 hidden items 23 February 2020 - 1 guideDetective historianPiece together Margaret Wyckwood's memoirs 23 February 2020 - Add a guideThe Good SamaritanSave Mitchell 23 February 2020 - Add a guideThe Abomination of DarkwaterKill 5 inhabitants who are being controlled 23 February 2020 - Add a guideIn the footsteps of Daniel UptonKill or spare Bradley 23 February 2020 - Add a guideAttack the docksEscape your fallen territory 23 February 2020 - Add a guideThe Rats in the WallsMake the suspects talk by using a heavy hand 23 February 2020 - Add a guideCompanion in armsSave Drake's life during the fight with the creature 23 February 2020 - 1 guideThe OutsiderBanish the creature for good 23 February 2020 - Add a guideThe dreamlike investigationAccept the revelations 23 February 2020 - Add a guideShared guiltPush Irene Sanders to the limit 23 February 2020 - Add a guideMore sober than Zadok AllenNever drink 23 February 2020 - Add a guideThe amulet of the AncientsLay your hands on Algernon Drake's treasure 23 February 2020 - Add a guideThe curse of SarahFind Sarah Hawkins 23 February 2020 - 1 guideThe most trivial objectDiscover all the small blue bottles 23 February 2020 - Add a guideComplete revelationRead all the books of unholy knowledge 23 February 2020 - Add a guideCaught in the trapFall into Fuller's trap 20 February 2020 - Add a guideScholar of the unspeakableMeet Algernon Drake and accept his help 20 February 2020 - Add a guideHippocratic OathHeal all the patients 20 February 2020 - Add a guideThe White ShipLearn the secret of the Scylla 20 February 2020 - 1 guideThe BookRead the Necronomicon 18 February 2020 - Add a guideStrange secretsFind occult items 17 February 2020 - Add a guideFrom BeyondBanish the Dimensional Shambler 16 February 2020 - Add a guideThe Thing on the DoorstepBanish the Dimensional Shambler using only one dagger 16 February 2020 - Add a guideBeyond realityAccept to read an unholy book 16 February 2020 - Add a guideThe aficionado of horrorMeet Francis Sanders 16 February 2020 - Add a guideSandmanMake a deal with a crazed inmate 16 February 2020 - Add a guideJack of all tradesInspect 50 items 16 February 2020 - Add a guideThe TempleTake part in the ritual in the caves 13 February 2020 - Add a guideThe pit of horrorFall into the sacrificial pit 13 February 2020 - Add a guideThe Secret CaveDiscover the mansion’s secret passage 10 February 2020 - Add a guideMemoryExplore the memories of the Hawkins family 10 February 2020 - Add a guideThe Terrible Old ManConvince the caretaker to help you 10 February 2020 - 1 guideThe delusional investigatorBe the plaything of an hallucination 10 February 2020 - Add a guideDetective Edward PierceReach the level of Expert in a skill 10 February 2020 - Add a guideThe Strange High HouseGet driven to the Hawkins Mansion 09 February 2020 - Add a guideNo prohibition for DarkwaterDeliver liquor to the sailors 09 February 2020 - Add a guideEx OblivioneFail a skill test 09 February 2020 - 1 guideThe Sarah Hawkins caseAccept the Sarah Hawkins case 09 February 2020 - Add a guide