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 08 May 2026 - Add a guideYou've tricked me onceFinish the game 08 May 2026 - Add a guideDefeat HarlowDefeat Harlow 08 May 2026 - Add a guideThe DocksEnter the docks in Quarantine Zone 08 May 2026 - Add a guideAchieverFinish all quests in the game 08 May 2026 - 1 guideMystery solvedFind all the secret files 08 May 2026 - Add a guideThe HoarderFind all collectibles 08 May 2026 - 1 guideMeeting SerpoMake pact with Serpo 08 May 2026 - Add a guideNews junkieFind all the volunteer's voice recordings 08 May 2026 - 1 guideProfessional TouristFind all pages from the guide book 08 May 2026 - 1 guideThe Hurt Mine LockerKill 10 monsters with one mine 08 May 2026 - 2 guidesHunter-SeekerFind and kill all the most dangerous monstrosities located in dead zones 08 May 2026 - 1 guideFirst Do No HarmFinish hospital quests for Cecil 08 May 2026 - Add a guideServing ScienceFinish quests for Dr. Kessler 08 May 2026 - Add a guideCombat on the roofSurvive the horde on the roof 08 May 2026 - Add a guideMilitary BaseGain access to a long-range radio station 08 May 2026 - Add a guideThe CinemaClear out the cinema 08 May 2026 - Add a guideJetboatKill 100 monsters using the boat's speed boost 08 May 2026 - Add a guideHenderson TownReach Henderson 08 May 2026 - Add a guideKing among KingsKill special enemies: Grenadier, Thug, Wrestler, Infected, Suicider, Screamer, Butcher, Floater. 08 May 2026 - Add a guideTwinsKill the Twins 08 May 2026 - Add a guideThe CollectorFind 50% of collectibles 07 May 2026 - 1 guideBreaching the TunnelsSuccessfully defend the tunnel entrance 07 May 2026 - Add a guideObtain level 70Obtain level 70 07 May 2026 - Add a guideSiege HammerInstall a total of 5 barricades during hub defense 07 May 2026 - Add a guideAt Your ServiceRescue 20 NPCs that have been grabbed by monsters 07 May 2026 - Add a guideHeart of DarknessFind a boat for use in the jungle 07 May 2026 - Add a guideHurlerKill 100 monsters with thrown melee weapons 07 May 2026 - Add a guideIt's an OrderMark 100 opponents which were then killed by your co-op partners 06 May 2026 - Add a guideBullyKill 100 monsters with a kick 06 May 2026 - Add a guideBetter than the armKill 25 monsters with a chainsaw 06 May 2026 - 1 guideJuggernautKill 100 enemies using charge attacks 06 May 2026 - Add a guideBrainLessKill 50 monsters by smashing, decapitating or shooting them in the head 06 May 2026 - Add a guideThe StormEscape from the ship 06 May 2026 - Add a guideObtain level 50Obtain level 50 06 May 2026 - Add a guide