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 28 November 2018 - 1 guideFluent in R’lyehianChoose all the replies in R’lyehian 25 November 2018 - Add a guideFarewellRefuse the ritual 25 November 2018 - Add a guideThe Good SamaritanSave Mitchell 25 November 2018 - Add a guideThe Call of CthulhuInvoke Cthulhu! 25 November 2018 - Add a guideFight destinySuccessfully carry out the counter ritual 25 November 2018 - Add a guideNameless CultsRefuse to take part in the ritual 25 November 2018 - Add a guideThe voice beyond the graveChat with a vision 25 November 2018 - 1 guideThe Shadow Out of TimeDiscover all the murals of the disappeared tribe 25 November 2018 - Add a guideVoyage into historyOpen the sailor's chest in the whaling station 25 November 2018 - Add a guideThe Beast in the CaveEnter the beast’s den 25 November 2018 - Add a guideDetective historianPiece together Margaret Wyckwood's memoirs 25 November 2018 - Add a guideThe Abomination of DarkwaterKill 5 inhabitants who are being controlled 25 November 2018 - Add a guideIn the footsteps of Daniel UptonKill or spare Bradley 25 November 2018 - Add a guideThe Rats in the WallsMake the suspects talk by using a heavy hand 25 November 2018 - Add a guideAttack the docksEscape your fallen territory 25 November 2018 - Add a guideCompanion in armsSave Drake's life during the fight with the creature 25 November 2018 - 1 guideThe OutsiderBanish the creature for good 25 November 2018 - Add a guideThe dreamlike investigationAccept the revelations 25 November 2018 - Add a guideShared guiltPush Irene Sanders to the limit 20 November 2018 - Add a guideMore sober than Zadok AllenNever drink 20 November 2018 - Add a guideThe amulet of the AncientsLay your hands on Algernon Drake's treasure 20 November 2018 - Add a guideThe curse of SarahFind Sarah Hawkins 19 November 2018 - 1 guideThe most trivial objectDiscover all the small blue bottles 19 November 2018 - Add a guideComplete revelationRead all the books of unholy knowledge 19 November 2018 - Add a guideCaught in the trapFall into Fuller's trap 19 November 2018 - Add a guideScholar of the unspeakableMeet Algernon Drake and accept his help 19 November 2018 - Add a guideThe White ShipLearn the secret of the Scylla 19 November 2018 - 1 guideHippocratic OathHeal all the patients 19 November 2018 - Add a guideThe BookRead the Necronomicon 19 November 2018 - Add a guideFrom BeyondBanish the Dimensional Shambler 11 November 2018 - Add a guideThe Thing on the DoorstepBanish the Dimensional Shambler using only one dagger 11 November 2018 - Add a guideStrange secretsFind occult items 11 November 2018 - Add a guideBeyond realityAccept to read an unholy book 11 November 2018 - Add a guideThe aficionado of horrorMeet Francis Sanders 11 November 2018 - Add a guideSandmanMake a deal with a crazed inmate 11 November 2018 - Add a guideJack of all tradesInspect 50 items 11 November 2018 - Add a guideThe TempleTake part in the ritual in the caves 09 November 2018 - Add a guideThe pit of horrorFall into the sacrificial pit 09 November 2018 - Add a guideThe Secret CaveDiscover the mansion’s secret passage 09 November 2018 - Add a guideA brilliant mindUse the globe to open the secret passage 09 November 2018 - Add a guideMemoryExplore the memories of the Hawkins family 09 November 2018 - Add a guideThe Terrible Old ManConvince the caretaker to help you 09 November 2018 - 1 guideThe delusional investigatorBe the plaything of an hallucination 09 November 2018 - Add a guideNo prohibition for DarkwaterDeliver liquor to the sailors 09 November 2018 - Add a guideDetective Edward PierceReach the level of Expert in a skill 09 November 2018 - Add a guideThe Strange High HouseGet driven to the Hawkins Mansion 09 November 2018 - Add a guideThe Sarah Hawkins caseAccept the Sarah Hawkins case 30 October 2018 - Add a guideEx OblivioneFail a skill test 30 October 2018 - 1 guide