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 20 May 2020 - Add a guideJetboatKill 100 monsters using the boat's speed boost 20 May 2020 - Add a guideIt's an OrderMark 100 opponents which were then killed by your co-op partners 20 May 2020 - Add a guideThe Hurt Mine LockerKill 10 monsters with one mine 09 May 2020 - 2 guidesAchieverFinish all quests in the game 09 May 2020 - 1 guideMystery solvedFind all the secret files 09 May 2020 - Add a guideThe HoarderFind all collectibles 09 May 2020 - 1 guideFirst Do No HarmFinish hospital quests for Cecil 09 May 2020 - Add a guideHunter-SeekerFind and kill all the most dangerous monstrosities located in dead zones 09 May 2020 - 1 guideNews junkieFind all the volunteer's voice recordings 09 May 2020 - 1 guideProfessional TouristFind all pages from the guide book 09 May 2020 - 1 guideHurlerKill 100 monsters with thrown melee weapons 09 May 2020 - Add a guideJuggernautKill 100 enemies using charge attacks 09 May 2020 - Add a guideServing ScienceFinish quests for Dr. Kessler 09 May 2020 - Add a guideTwinsKill the Twins 08 May 2020 - Add a guideBetter than the armKill 25 monsters with a chainsaw 08 May 2020 - 1 guideThe CollectorFind 50% of collectibles 08 May 2020 - 1 guideBullyKill 100 monsters with a kick 06 April 2020 - Add a guideObtain level 50Obtain level 50 02 April 2020 - Add a guideYou've tricked me onceFinish the game 02 April 2020 - Add a guideDream TeamComplete all the main quests cooperatively with any number of partners 02 April 2020 - Add a guideDefeat HarlowDefeat Harlow 02 April 2020 - Add a guideThe DocksEnter the docks in Quarantine Zone 02 April 2020 - Add a guideMeeting SerpoMake pact with Serpo 02 April 2020 - Add a guideCombat on the roofSurvive the horde on the roof 02 April 2020 - Add a guideAt Your ServiceRescue 20 NPCs that have been grabbed by monsters 02 April 2020 - Add a guideKing among KingsKill special enemies: Grenadier, Thug, Wrestler, Infected, Suicider, Screamer, Butcher, Floater. 02 April 2020 - Add a guideMilitary BaseGain access to a long-range radio station 02 April 2020 - Add a guideThe CinemaClear out the cinema 02 April 2020 - Add a guideHenderson TownReach Henderson 01 April 2020 - Add a guideBreaching the TunnelsSuccessfully defend the tunnel entrance 08 March 2020 - Add a guideSiege HammerInstall a total of 5 barricades during hub defense 08 March 2020 - Add a guideBrainLessKill 50 monsters by smashing, decapitating or shooting them in the head 08 March 2020 - Add a guideHeart of DarknessFind a boat for use in the jungle 08 February 2020 - Add a guideThe StormEscape from the ship 08 February 2020 - Add a guide