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 wonYou've tricked me onceFinish the game 16 February 2017 - Add a guideDream TeamComplete all the main quests cooperatively with any number of partners 16 February 2017 - Add a guideThe HoarderFind all collectibles 16 February 2017 - 1 guideNews junkieFind all the volunteer's voice recordings 16 February 2017 - 1 guideObtain level 70Obtain level 70 16 February 2017 - Add a guideJetboatKill 100 monsters using the boat's speed boost 15 February 2017 - Add a guideAchieverFinish all quests in the game 15 February 2017 - 1 guideFirst Do No HarmFinish hospital quests for Cecil 15 February 2017 - Add a guideHunter-SeekerFind and kill all the most dangerous monstrosities located in dead zones 15 February 2017 - 1 guideThe Hurt Mine LockerKill 10 monsters with one mine 14 February 2017 - 2 guidesProfessional TouristFind all pages from the guide book 14 February 2017 - 1 guideBetter than the armKill 25 monsters with a chainsaw 14 February 2017 - 1 guideServing ScienceFinish quests for Dr. Kessler 14 February 2017 - Add a guideDefeat HarlowDefeat Harlow 14 February 2017 - Add a guideThe DocksEnter the docks in Quarantine Zone 14 February 2017 - Add a guideMystery solvedFind all the secret files 14 February 2017 - Add a guideMeeting SerpoMake pact with Serpo 14 February 2017 - Add a guideCombat on the roofSurvive the horde on the roof 14 February 2017 - Add a guideJuggernautKill 100 enemies using charge attacks 14 February 2017 - Add a guideMilitary BaseGain access to a long-range radio station 14 February 2017 - Add a guideThe CinemaClear out the cinema 14 February 2017 - Add a guideKing among KingsKill special enemies: Grenadier, Thug, Wrestler, Infected, Suicider, Screamer, Butcher, Floater. 13 February 2017 - Add a guideThe CollectorFind 50% of collectibles 13 February 2017 - 1 guideHurlerKill 100 monsters with thrown melee weapons 13 February 2017 - Add a guideHenderson TownReach Henderson 13 February 2017 - Add a guideAt Your ServiceRescue 20 NPCs that have been grabbed by monsters 13 February 2017 - Add a guideTwinsKill the Twins 13 February 2017 - Add a guideIt's an OrderMark 100 opponents which were then killed by your co-op partners 13 February 2017 - Add a guideBullyKill 100 monsters with a kick 13 February 2017 - Add a guideBreaching the TunnelsSuccessfully defend the tunnel entrance 13 February 2017 - Add a guideHeart of DarknessFind a boat for use in the jungle 10 February 2017 - Add a guideBrainLessKill 50 monsters by smashing, decapitating or shooting them in the head 08 February 2017 - Add a guideSiege HammerInstall a total of 5 barricades during hub defense 08 February 2017 - Add a guideThe StormEscape from the ship 08 February 2017 - Add a guideObtain level 50Obtain level 50 07 February 2017 - Add a guide