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 wonFluent in R’lyehianChoose all the replies in R’lyehian 18 April 2020 - Add a guideNameless CultsRefuse to take part in the ritual 12 February 2020 - Add a guideFight destinySuccessfully carry out the counter ritual 12 February 2020 - Add a guideJohn Raymond LegrasseFind 20 hidden items 12 February 2020 - 1 guideDetective historianPiece together Margaret Wyckwood's memoirs 12 February 2020 - Add a guideThe Good SamaritanSave Mitchell 12 February 2020 - Add a guideThe Rats in the WallsMake the suspects talk by using a heavy hand 12 February 2020 - Add a guideCompanion in armsSave Drake's life during the fight with the creature 12 February 2020 - 1 guideShared guiltPush Irene Sanders to the limit 12 February 2020 - Add a guideComplete revelationRead all the books of unholy knowledge 11 February 2020 - Add a guideHippocratic OathHeal all the patients 11 February 2020 - Add a guideStrange secretsFind occult items 11 February 2020 - Add a guideThe Thing on the DoorstepBanish the Dimensional Shambler using only one dagger 11 February 2020 - Add a guideA brilliant mindUse the globe to open the secret passage 11 February 2020 - Add a guideNo prohibition for DarkwaterDeliver liquor to the sailors 11 February 2020 - Add a guideThe Call of CthulhuInvoke Cthulhu! 24 December 2019 - Add a guideFarewellRefuse the ritual 24 December 2019 - Add a guideThe voice beyond the graveChat with a vision 24 December 2019 - 1 guideThe Shadow Out of TimeDiscover all the murals of the disappeared tribe 24 December 2019 - Add a guideVoyage into historyOpen the sailor's chest in the whaling station 24 December 2019 - Add a guideThe Beast in the CaveEnter the beast’s den 24 December 2019 - Add a guideThe Abomination of DarkwaterKill 5 inhabitants who are being controlled 24 December 2019 - Add a guideIn the footsteps of Daniel UptonKill or spare Bradley 24 December 2019 - Add a guideAttack the docksEscape your fallen territory 24 December 2019 - Add a guideThe dreamlike investigationAccept the revelations 24 December 2019 - Add a guideThe OutsiderBanish the creature for good 24 December 2019 - Add a guideMore sober than Zadok AllenNever drink 24 December 2019 - Add a guideThe amulet of the AncientsLay your hands on Algernon Drake's treasure 24 December 2019 - Add a guideThe curse of SarahFind Sarah Hawkins 24 December 2019 - 1 guideThe most trivial objectDiscover all the small blue bottles 24 December 2019 - Add a guideCaught in the trapFall into Fuller's trap 24 December 2019 - Add a guideScholar of the unspeakableMeet Algernon Drake and accept his help 24 December 2019 - Add a guideThe White ShipLearn the secret of the Scylla 24 December 2019 - 1 guideThe BookRead the Necronomicon 24 December 2019 - Add a guideFrom BeyondBanish the Dimensional Shambler 24 December 2019 - Add a guideBeyond realityAccept to read an unholy book 24 December 2019 - Add a guideJack of all tradesInspect 50 items 24 December 2019 - Add a guideThe aficionado of horrorMeet Francis Sanders 24 December 2019 - Add a guideSandmanMake a deal with a crazed inmate 24 December 2019 - Add a guideThe TempleTake part in the ritual in the caves 24 December 2019 - Add a guideThe pit of horrorFall into the sacrificial pit 24 December 2019 - Add a guideDetective Edward PierceReach the level of Expert in a skill 24 December 2019 - Add a guideThe Secret CaveDiscover the mansion’s secret passage 24 December 2019 - Add a guideMemoryExplore the memories of the Hawkins family 24 December 2019 - Add a guideThe Terrible Old ManConvince the caretaker to help you 24 December 2019 - 1 guideThe Strange High HouseGet driven to the Hawkins Mansion 24 December 2019 - Add a guideThe delusional investigatorBe the plaything of an hallucination 24 December 2019 - Add a guideEx OblivioneFail a skill test 24 December 2019 - 1 guideThe Sarah Hawkins caseAccept the Sarah Hawkins case 24 December 2019 - Add a guide