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 wonJetboatKill 100 monsters using the boat's speed boost 21 April 2020 - Add a guideObtain level 70Obtain level 70 21 April 2020 - Add a guideAchieverFinish all quests in the game 21 April 2020 - 1 guideHunter-SeekerFind and kill all the most dangerous monstrosities located in dead zones 21 April 2020 - 1 guideThe HoarderFind all collectibles 21 April 2020 - 1 guideMystery solvedFind all the secret files 21 April 2020 - Add a guideFirst Do No HarmFinish hospital quests for Cecil 21 April 2020 - Add a guideNews junkieFind all the volunteer's voice recordings 20 April 2020 - 1 guideProfessional TouristFind all pages from the guide book 20 April 2020 - 1 guideThe Hurt Mine LockerKill 10 monsters with one mine 20 April 2020 - 2 guidesServing ScienceFinish quests for Dr. Kessler 20 April 2020 - Add a guideTwinsKill the Twins 19 April 2020 - Add a guideHurlerKill 100 monsters with thrown melee weapons 17 April 2020 - Add a guideJuggernautKill 100 enemies using charge attacks 16 April 2020 - Add a guideObtain level 50Obtain level 50 16 April 2020 - Add a guideThe CollectorFind 50% of collectibles 16 April 2020 - 1 guideBetter than the armKill 25 monsters with a chainsaw 16 April 2020 - 1 guideAt Your ServiceRescue 20 NPCs that have been grabbed by monsters 16 April 2020 - Add a guideYou've tricked me onceFinish the game 22 March 2020 - Add a guideDream TeamComplete all the main quests cooperatively with any number of partners 22 March 2020 - Add a guideDefeat HarlowDefeat Harlow 22 March 2020 - Add a guideBullyKill 100 monsters with a kick 22 March 2020 - Add a guideThe DocksEnter the docks in Quarantine Zone 22 March 2020 - Add a guideMeeting SerpoMake pact with Serpo 22 March 2020 - Add a guideCombat on the roofSurvive the horde on the roof 22 March 2020 - Add a guideMilitary BaseGain access to a long-range radio station 22 March 2020 - Add a guideKing among KingsKill special enemies: Grenadier, Thug, Wrestler, Infected, Suicider, Screamer, Butcher, Floater. 22 March 2020 - Add a guideThe CinemaClear out the cinema 22 March 2020 - Add a guideHenderson TownReach Henderson 22 March 2020 - Add a guideBreaching the TunnelsSuccessfully defend the tunnel entrance 21 March 2020 - Add a guideSiege HammerInstall a total of 5 barricades during hub defense 21 March 2020 - Add a guideIt's an OrderMark 100 opponents which were then killed by your co-op partners 21 March 2020 - Add a guideHeart of DarknessFind a boat for use in the jungle 21 March 2020 - Add a guideBrainLessKill 50 monsters by smashing, decapitating or shooting them in the head 16 March 2020 - Add a guideThe StormEscape from the ship 13 August 2018 - Add a guide