Dead Island: Riptide Definitive Edition Achievements Full list of all 35 Dead Island: Riptide Definitive Edition achievements. It takes around 20-25 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 What are achievement flags? Click to find outApply AllWonNot wonDream TeamComplete all the main quests cooperatively with any number of partners 31 August 2021 - Add a guideIt's an OrderMark 100 opponents which were then killed by your co-op partners 31 August 2021 - Add a guideYou've tricked me onceFinish the game 24 August 2021 - Add a guideObtain level 70Obtain level 70 24 August 2021 - Add a guideThe HoarderFind all collectibles 24 August 2021 - 1 guideProfessional TouristFind all pages from the guide book 24 August 2021 - 1 guideNews junkieFind all the volunteer's voice recordings 24 August 2021 - 1 guideHunter-SeekerFind and kill all the most dangerous monstrosities located in dead zones 24 August 2021 - 1 guideMystery solvedFind all the secret files 24 August 2021 - Add a guideAchieverFinish all quests in the game 24 August 2021 - 1 guideFirst Do No HarmFinish hospital quests for Cecil 24 August 2021 - Add a guideJetboatKill 100 monsters using the boat's speed boost 24 August 2021 - Add a guideHurlerKill 100 monsters with thrown melee weapons 24 August 2021 - Add a guideBetter than the armKill 25 monsters with a chainsaw 24 August 2021 - 1 guideJuggernautKill 100 enemies using charge attacks 24 August 2021 - Add a guideDefeat HarlowDefeat Harlow 24 August 2021 - Add a guideThe DocksEnter the docks in Quarantine Zone 24 August 2021 - Add a guideThe Hurt Mine LockerKill 10 monsters with one mine 24 August 2021 - 2 guidesMeeting SerpoMake pact with Serpo 24 August 2021 - Add a guideServing ScienceFinish quests for Dr. Kessler 23 August 2021 - Add a guideTwinsKill the Twins 23 August 2021 - Add a guideThe CollectorFind 50% of collectibles 23 August 2021 - 1 guideCombat on the roofSurvive the horde on the roof 23 August 2021 - Add a guideMilitary BaseGain access to a long-range radio station 23 August 2021 - Add a guideBullyKill 100 monsters with a kick 22 August 2021 - Add a guideThe CinemaClear out the cinema 22 August 2021 - Add a guideHenderson TownReach Henderson 22 August 2021 - Add a guideKing among KingsKill special enemies: Grenadier, Thug, Wrestler, Infected, Suicider, Screamer, Butcher, Floater. 22 August 2021 - Add a guideBreaching the TunnelsSuccessfully defend the tunnel entrance 22 August 2021 - Add a guideSiege HammerInstall a total of 5 barricades during hub defense 22 August 2021 - Add a guideObtain level 50Obtain level 50 22 August 2021 - Add a guideAt Your ServiceRescue 20 NPCs that have been grabbed by monsters 21 August 2021 - Add a guideHeart of DarknessFind a boat for use in the jungle 21 August 2021 - Add a guideBrainLessKill 50 monsters by smashing, decapitating or shooting them in the head 21 August 2021 - Add a guideThe StormEscape from the ship 21 August 2021 - Add a guide