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 wonAchieverFinish all quests in the game 05 December 2021 - 1 guideHunter-SeekerFind and kill all the most dangerous monstrosities located in dead zones 05 December 2021 - 1 guideFirst Do No HarmFinish hospital quests for Cecil 05 December 2021 - Add a guideMystery solvedFind all the secret files 05 December 2021 - Add a guideThe HoarderFind all collectibles 05 December 2021 - 1 guideNews junkieFind all the volunteer's voice recordings 05 December 2021 - 1 guideObtain level 70Obtain level 70 05 December 2021 - Add a guideProfessional TouristFind all pages from the guide book 05 December 2021 - 1 guideServing ScienceFinish quests for Dr. Kessler 05 December 2021 - Add a guideJetboatKill 100 monsters using the boat's speed boost 04 December 2021 - Add a guideAt Your ServiceRescue 20 NPCs that have been grabbed by monsters 04 December 2021 - Add a guideHurlerKill 100 monsters with thrown melee weapons 04 December 2021 - Add a guideThe CollectorFind 50% of collectibles 04 December 2021 - 1 guideThe Hurt Mine LockerKill 10 monsters with one mine 04 December 2021 - 2 guidesJuggernautKill 100 enemies using charge attacks 04 December 2021 - Add a guideBetter than the armKill 25 monsters with a chainsaw 03 December 2021 - 1 guideYou've tricked me onceFinish the game 20 November 2021 - Add a guideDream TeamComplete all the main quests cooperatively with any number of partners 20 November 2021 - Add a guideDefeat HarlowDefeat Harlow 20 November 2021 - Add a guideThe DocksEnter the docks in Quarantine Zone 20 November 2021 - Add a guideKing among KingsKill special enemies: Grenadier, Thug, Wrestler, Infected, Suicider, Screamer, Butcher, Floater. 20 November 2021 - Add a guideMeeting SerpoMake pact with Serpo 20 November 2021 - Add a guideCombat on the roofSurvive the horde on the roof 20 November 2021 - Add a guideMilitary BaseGain access to a long-range radio station 20 November 2021 - Add a guideThe CinemaClear out the cinema 20 November 2021 - Add a guideIt's an OrderMark 100 opponents which were then killed by your co-op partners 20 November 2021 - Add a guideHenderson TownReach Henderson 20 November 2021 - Add a guideTwinsKill the Twins 20 November 2021 - Add a guideBreaching the TunnelsSuccessfully defend the tunnel entrance 20 November 2021 - Add a guideSiege HammerInstall a total of 5 barricades during hub defense 20 November 2021 - Add a guideBullyKill 100 monsters with a kick 20 November 2021 - Add a guideBrainLessKill 50 monsters by smashing, decapitating or shooting them in the head 20 November 2021 - Add a guideHeart of DarknessFind a boat for use in the jungle 20 November 2021 - Add a guideThe StormEscape from the ship 15 August 2021 - Add a guideObtain level 50Obtain level 50 15 August 2021 - Add a guide