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 wonHunter-SeekerFind and kill all the most dangerous monstrosities located in dead zones 09 September 2018 - 1 guideMystery solvedFind all the secret files 09 September 2018 - Add a guideAchieverFinish all quests in the game 09 September 2018 - 1 guideThe HoarderFind all collectibles 09 September 2018 - 1 guideJetboatKill 100 monsters using the boat's speed boost 09 September 2018 - Add a guideProfessional TouristFind all pages from the guide book 09 September 2018 - 1 guideNews junkieFind all the volunteer's voice recordings 09 September 2018 - 1 guideFirst Do No HarmFinish hospital quests for Cecil 09 September 2018 - Add a guideIt's an OrderMark 100 opponents which were then killed by your co-op partners 09 September 2018 - Add a guideHurlerKill 100 monsters with thrown melee weapons 09 September 2018 - Add a guideThe CollectorFind 50% of collectibles 09 September 2018 - 1 guideBetter than the armKill 25 monsters with a chainsaw 09 September 2018 - 1 guideThe Hurt Mine LockerKill 10 monsters with one mine 09 September 2018 - 2 guidesObtain level 70Obtain level 70 09 September 2018 - Add a guideDream TeamComplete all the main quests cooperatively with any number of partners 04 September 2018 - Add a guideServing ScienceFinish quests for Dr. Kessler 01 September 2018 - Add a guideMeeting SerpoMake pact with Serpo 31 August 2018 - Add a guideBullyKill 100 monsters with a kick 31 August 2018 - Add a guideAt Your ServiceRescue 20 NPCs that have been grabbed by monsters 31 August 2018 - Add a guideYou've tricked me onceFinish the game 31 August 2018 - Add a guideTwinsKill the Twins 30 August 2018 - Add a guideThe DocksEnter the docks in Quarantine Zone 30 August 2018 - Add a guideDefeat HarlowDefeat Harlow 30 August 2018 - Add a guideJuggernautKill 100 enemies using charge attacks 21 August 2018 - Add a guideSiege HammerInstall a total of 5 barricades during hub defense 16 August 2018 - Add a guideCombat on the roofSurvive the horde on the roof 16 August 2018 - Add a guideKing among KingsKill special enemies: Grenadier, Thug, Wrestler, Infected, Suicider, Screamer, Butcher, Floater. 16 August 2018 - Add a guideObtain level 50Obtain level 50 16 August 2018 - Add a guideMilitary BaseGain access to a long-range radio station 16 August 2018 - Add a guideHenderson TownReach Henderson 16 August 2018 - Add a guideBreaching the TunnelsSuccessfully defend the tunnel entrance 16 August 2018 - Add a guideHeart of DarknessFind a boat for use in the jungle 16 August 2018 - Add a guideThe CinemaClear out the cinema 10 July 2018 - Add a guideBrainLessKill 50 monsters by smashing, decapitating or shooting them in the head 10 September 2017 - Add a guideThe StormEscape from the ship 09 September 2017 - Add a guide