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 05 January 2020 - Add a guideJohn Raymond LegrasseFind 20 hidden items 05 January 2020 - 1 guideNo prohibition for DarkwaterDeliver liquor to the sailors 04 January 2020 - Add a guideNameless CultsRefuse to take part in the ritual 03 January 2020 - Add a guideFarewellRefuse the ritual 03 January 2020 - Add a guideFight destinySuccessfully carry out the counter ritual 03 January 2020 - Add a guideThe Shadow Out of TimeDiscover all the murals of the disappeared tribe 03 January 2020 - Add a guideVoyage into historyOpen the sailor's chest in the whaling station 03 January 2020 - Add a guideThe Rats in the WallsMake the suspects talk by using a heavy hand 03 January 2020 - Add a guideShared guiltPush Irene Sanders to the limit 03 January 2020 - Add a guideMore sober than Zadok AllenNever drink 03 January 2020 - Add a guideThe delusional investigatorBe the plaything of an hallucination 26 December 2019 - Add a guideThe Call of CthulhuInvoke Cthulhu! 26 March 2019 - Add a guideThe voice beyond the graveChat with a vision 26 March 2019 - 1 guideThe Beast in the CaveEnter the beast’s den 26 March 2019 - Add a guideDetective historianPiece together Margaret Wyckwood's memoirs 26 March 2019 - Add a guideThe Abomination of DarkwaterKill 5 inhabitants who are being controlled 26 March 2019 - Add a guideThe Good SamaritanSave Mitchell 26 March 2019 - Add a guideIn the footsteps of Daniel UptonKill or spare Bradley 26 March 2019 - Add a guideAttack the docksEscape your fallen territory 26 March 2019 - Add a guideCompanion in armsSave Drake's life during the fight with the creature 26 March 2019 - 1 guideThe OutsiderBanish the creature for good 26 March 2019 - Add a guideThe dreamlike investigationAccept the revelations 25 March 2019 - Add a guideThe amulet of the AncientsLay your hands on Algernon Drake's treasure 25 March 2019 - Add a guideThe curse of SarahFind Sarah Hawkins 25 March 2019 - 1 guideThe most trivial objectDiscover all the small blue bottles 25 March 2019 - Add a guideComplete revelationRead all the books of unholy knowledge 25 March 2019 - Add a guideCaught in the trapFall into Fuller's trap 25 March 2019 - Add a guideScholar of the unspeakableMeet Algernon Drake and accept his help 25 March 2019 - Add a guideThe White ShipLearn the secret of the Scylla 25 March 2019 - 1 guideHippocratic OathHeal all the patients 25 March 2019 - Add a guideThe BookRead the Necronomicon 22 March 2019 - Add a guideStrange secretsFind occult items 22 March 2019 - Add a guideFrom BeyondBanish the Dimensional Shambler 22 March 2019 - Add a guideThe Thing on the DoorstepBanish the Dimensional Shambler using only one dagger 22 March 2019 - Add a guideBeyond realityAccept to read an unholy book 22 March 2019 - Add a guideThe aficionado of horrorMeet Francis Sanders 22 March 2019 - Add a guideSandmanMake a deal with a crazed inmate 22 March 2019 - Add a guideJack of all tradesInspect 50 items 22 March 2019 - Add a guideThe TempleTake part in the ritual in the caves 22 March 2019 - Add a guideThe pit of horrorFall into the sacrificial pit 22 March 2019 - Add a guideThe Secret CaveDiscover the mansion’s secret passage 22 March 2019 - Add a guideA brilliant mindUse the globe to open the secret passage 22 March 2019 - Add a guideMemoryExplore the memories of the Hawkins family 22 March 2019 - Add a guideThe Terrible Old ManConvince the caretaker to help you 22 March 2019 - 1 guideThe Strange High HouseGet driven to the Hawkins Mansion 22 March 2019 - Add a guideEx OblivioneFail a skill test 22 March 2019 - 1 guideThe Sarah Hawkins caseAccept the Sarah Hawkins case 22 March 2019 - Add a guideDetective Edward PierceReach the level of Expert in a skill 22 March 2019 - Add a guide