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 03 June 2019 - Add a guideIt's an OrderMark 100 opponents which were then killed by your co-op partners 03 June 2019 - Add a guideYou've tricked me onceFinish the game 21 March 2019 - Add a guideDefeat HarlowDefeat Harlow 21 March 2019 - Add a guideThe DocksEnter the docks in Quarantine Zone 21 March 2019 - Add a guideAchieverFinish all quests in the game 21 March 2019 - 1 guideMystery solvedFind all the secret files 21 March 2019 - Add a guideThe HoarderFind all collectibles 21 March 2019 - 1 guideBetter than the armKill 25 monsters with a chainsaw 21 March 2019 - 1 guideHunter-SeekerFind and kill all the most dangerous monstrosities located in dead zones 21 March 2019 - 1 guideJuggernautKill 100 enemies using charge attacks 21 March 2019 - Add a guideThe Hurt Mine LockerKill 10 monsters with one mine 20 March 2019 - 2 guidesTwinsKill the Twins 20 March 2019 - Add a guideNews junkieFind all the volunteer's voice recordings 20 March 2019 - 1 guideJetboatKill 100 monsters using the boat's speed boost 20 March 2019 - Add a guideFirst Do No HarmFinish hospital quests for Cecil 20 March 2019 - Add a guideObtain level 70Obtain level 70 20 March 2019 - Add a guideMeeting SerpoMake pact with Serpo 20 March 2019 - Add a guideCombat on the roofSurvive the horde on the roof 20 March 2019 - Add a guideProfessional TouristFind all pages from the guide book 20 March 2019 - 1 guideMilitary BaseGain access to a long-range radio station 20 March 2019 - Add a guideThe CinemaClear out the cinema 20 March 2019 - Add a guideThe CollectorFind 50% of collectibles 20 March 2019 - 1 guideServing ScienceFinish quests for Dr. Kessler 20 March 2019 - Add a guideHenderson TownReach Henderson 20 March 2019 - Add a guideKing among KingsKill special enemies: Grenadier, Thug, Wrestler, Infected, Suicider, Screamer, Butcher, Floater. 20 March 2019 - Add a guideBreaching the TunnelsSuccessfully defend the tunnel entrance 20 March 2019 - Add a guideSiege HammerInstall a total of 5 barricades during hub defense 20 March 2019 - Add a guideHurlerKill 100 monsters with thrown melee weapons 19 March 2019 - Add a guideHeart of DarknessFind a boat for use in the jungle 19 March 2019 - Add a guideBullyKill 100 monsters with a kick 19 March 2019 - Add a guideAt Your ServiceRescue 20 NPCs that have been grabbed by monsters 19 March 2019 - Add a guideBrainLessKill 50 monsters by smashing, decapitating or shooting them in the head 19 March 2019 - Add a guideThe StormEscape from the ship 19 March 2019 - Add a guideObtain level 50Obtain level 50 19 March 2019 - Add a guide