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 13 February 2022 - Add a guideIt's an OrderMark 100 opponents which were then killed by your co-op partners 13 February 2022 - Add a guideObtain level 70Obtain level 70 13 February 2022 - Add a guideYou've tricked me onceFinish the game 24 January 2022 - Add a guideDefeat HarlowDefeat Harlow 24 January 2022 - Add a guideThe HoarderFind all collectibles 24 January 2022 - 1 guideMystery solvedFind all the secret files 24 January 2022 - Add a guideProfessional TouristFind all pages from the guide book 24 January 2022 - 1 guideNews junkieFind all the volunteer's voice recordings 24 January 2022 - 1 guideThe Hurt Mine LockerKill 10 monsters with one mine 24 January 2022 - 2 guidesAchieverFinish all quests in the game 24 January 2022 - 1 guideThe DocksEnter the docks in Quarantine Zone 24 January 2022 - Add a guideMeeting SerpoMake pact with Serpo 24 January 2022 - Add a guideCombat on the roofSurvive the horde on the roof 23 January 2022 - Add a guideFirst Do No HarmFinish hospital quests for Cecil 23 January 2022 - Add a guideHunter-SeekerFind and kill all the most dangerous monstrosities located in dead zones 23 January 2022 - 1 guideMilitary BaseGain access to a long-range radio station 23 January 2022 - Add a guideThe CollectorFind 50% of collectibles 23 January 2022 - 1 guideThe CinemaClear out the cinema 22 January 2022 - Add a guideHenderson TownReach Henderson 22 January 2022 - Add a guideServing ScienceFinish quests for Dr. Kessler 22 January 2022 - Add a guideTwinsKill the Twins 22 January 2022 - Add a guideKing among KingsKill special enemies: Grenadier, Thug, Wrestler, Infected, Suicider, Screamer, Butcher, Floater. 22 January 2022 - Add a guideBreaching the TunnelsSuccessfully defend the tunnel entrance 22 January 2022 - Add a guideSiege HammerInstall a total of 5 barricades during hub defense 22 January 2022 - Add a guideAt Your ServiceRescue 20 NPCs that have been grabbed by monsters 20 January 2022 - Add a guideJetboatKill 100 monsters using the boat's speed boost 17 January 2022 - Add a guideJuggernautKill 100 enemies using charge attacks 17 January 2022 - Add a guideHeart of DarknessFind a boat for use in the jungle 17 January 2022 - Add a guideBetter than the armKill 25 monsters with a chainsaw 16 January 2022 - 1 guideHurlerKill 100 monsters with thrown melee weapons 16 January 2022 - Add a guideBrainLessKill 50 monsters by smashing, decapitating or shooting them in the head 15 January 2022 - Add a guideBullyKill 100 monsters with a kick 15 January 2022 - Add a guideThe StormEscape from the ship 15 January 2022 - Add a guideObtain level 50Obtain level 50 14 January 2022 - Add a guide