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 wonJohn Raymond LegrasseFind 20 hidden items 13 November 2019 - 1 guideFluent in R’lyehianChoose all the replies in R’lyehian 13 November 2019 - Add a guideFight destinySuccessfully carry out the counter ritual 13 November 2019 - Add a guideThe Call of CthulhuInvoke Cthulhu! 13 November 2019 - Add a guideNameless CultsRefuse to take part in the ritual 13 November 2019 - Add a guideFarewellRefuse the ritual 13 November 2019 - Add a guideThe voice beyond the graveChat with a vision 13 November 2019 - 1 guideThe Shadow Out of TimeDiscover all the murals of the disappeared tribe 13 November 2019 - Add a guideVoyage into historyOpen the sailor's chest in the whaling station 13 November 2019 - Add a guideThe Beast in the CaveEnter the beast’s den 13 November 2019 - Add a guideDetective historianPiece together Margaret Wyckwood's memoirs 13 November 2019 - Add a guideThe Good SamaritanSave Mitchell 13 November 2019 - Add a guideThe Abomination of DarkwaterKill 5 inhabitants who are being controlled 13 November 2019 - Add a guideIn the footsteps of Daniel UptonKill or spare Bradley 13 November 2019 - Add a guideAttack the docksEscape your fallen territory 13 November 2019 - Add a guideThe Rats in the WallsMake the suspects talk by using a heavy hand 13 November 2019 - Add a guideThe dreamlike investigationAccept the revelations 13 November 2019 - Add a guideThe OutsiderBanish the creature for good 13 November 2019 - Add a guideCompanion in armsSave Drake's life during the fight with the creature 13 November 2019 - 1 guideShared guiltPush Irene Sanders to the limit 12 November 2019 - Add a guideMore sober than Zadok AllenNever drink 12 November 2019 - Add a guideThe amulet of the AncientsLay your hands on Algernon Drake's treasure 12 November 2019 - Add a guideThe curse of SarahFind Sarah Hawkins 09 November 2019 - 1 guideThe most trivial objectDiscover all the small blue bottles 09 November 2019 - Add a guideComplete revelationRead all the books of unholy knowledge 09 November 2019 - Add a guideCaught in the trapFall into Fuller's trap 09 November 2019 - Add a guideScholar of the unspeakableMeet Algernon Drake and accept his help 09 November 2019 - Add a guideThe White ShipLearn the secret of the Scylla 09 November 2019 - 1 guideHippocratic OathHeal all the patients 09 November 2019 - Add a guideThe BookRead the Necronomicon 09 November 2019 - Add a guideFrom BeyondBanish the Dimensional Shambler 09 November 2019 - Add a guideThe Thing on the DoorstepBanish the Dimensional Shambler using only one dagger 09 November 2019 - Add a guideStrange secretsFind occult items 09 November 2019 - Add a guideBeyond realityAccept to read an unholy book 09 November 2019 - Add a guideThe aficionado of horrorMeet Francis Sanders 09 November 2019 - Add a guideSandmanMake a deal with a crazed inmate 09 November 2019 - Add a guideJack of all tradesInspect 50 items 09 November 2019 - Add a guideThe TempleTake part in the ritual in the caves 09 November 2019 - Add a guideThe pit of horrorFall into the sacrificial pit 09 November 2019 - Add a guideThe Secret CaveDiscover the mansion’s secret passage 09 November 2019 - Add a guideA brilliant mindUse the globe to open the secret passage 09 November 2019 - Add a guideMemoryExplore the memories of the Hawkins family 09 November 2019 - Add a guideThe Terrible Old ManConvince the caretaker to help you 31 October 2019 - 1 guideThe Strange High HouseGet driven to the Hawkins Mansion 31 October 2019 - Add a guideThe delusional investigatorBe the plaything of an hallucination 31 October 2019 - Add a guideDetective Edward PierceReach the level of Expert in a skill 31 October 2019 - Add a guideNo prohibition for DarkwaterDeliver liquor to the sailors 27 October 2019 - Add a guideThe Sarah Hawkins caseAccept the Sarah Hawkins case 27 October 2019 - Add a guideEx OblivioneFail a skill test 26 October 2019 - 1 guide