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 wonObtain level 70Obtain level 70 15 September 2022 - Add a guideFirst Do No HarmFinish hospital quests for Cecil 15 September 2022 - Add a guideTwinsKill the Twins 15 September 2022 - Add a guideAchieverFinish all quests in the game 15 September 2022 - 1 guideThe HoarderFind all collectibles 15 September 2022 - 1 guideHunter-SeekerFind and kill all the most dangerous monstrosities located in dead zones 15 September 2022 - 1 guideIt's an OrderMark 100 opponents which were then killed by your co-op partners 15 September 2022 - Add a guideMilitary BaseGain access to a long-range radio station 15 September 2022 - Add a guideProfessional TouristFind all pages from the guide book 15 September 2022 - 1 guideNews junkieFind all the volunteer's voice recordings 15 September 2022 - 1 guideAt Your ServiceRescue 20 NPCs that have been grabbed by monsters 13 September 2022 - Add a guideThe Hurt Mine LockerKill 10 monsters with one mine 12 September 2022 - 2 guidesBetter than the armKill 25 monsters with a chainsaw 12 September 2022 - 1 guideJetboatKill 100 monsters using the boat's speed boost 11 September 2022 - Add a guideJuggernautKill 100 enemies using charge attacks 11 September 2022 - Add a guideHurlerKill 100 monsters with thrown melee weapons 11 September 2022 - Add a guideBullyKill 100 monsters with a kick 08 September 2022 - Add a guideYou've tricked me onceFinish the game 11 January 2020 - Add a guideDream TeamComplete all the main quests cooperatively with any number of partners 11 January 2020 - Add a guideDefeat HarlowDefeat Harlow 11 January 2020 - Add a guideThe DocksEnter the docks in Quarantine Zone 11 January 2020 - Add a guideMystery solvedFind all the secret files 11 January 2020 - Add a guideMeeting SerpoMake pact with Serpo 11 January 2020 - Add a guideCombat on the roofSurvive the horde on the roof 11 January 2020 - Add a guideKing among KingsKill special enemies: Grenadier, Thug, Wrestler, Infected, Suicider, Screamer, Butcher, Floater. 05 January 2020 - Add a guideThe CollectorFind 50% of collectibles 05 January 2020 - 1 guideThe CinemaClear out the cinema 05 January 2020 - Add a guideServing ScienceFinish quests for Dr. Kessler 05 January 2020 - Add a guideHenderson TownReach Henderson 04 January 2020 - Add a guideBreaching the TunnelsSuccessfully defend the tunnel entrance 04 January 2020 - Add a guideSiege HammerInstall a total of 5 barricades during hub defense 04 January 2020 - Add a guideObtain level 50Obtain level 50 04 January 2020 - Add a guideHeart of DarknessFind a boat for use in the jungle 21 December 2019 - Add a guideBrainLessKill 50 monsters by smashing, decapitating or shooting them in the head 21 December 2019 - Add a guideThe StormEscape from the ship 21 December 2019 - Add a guide