Serious Sam Double D XXL Achievements Here is the full list of all 30 Serious Sam Double D XXL achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.Filter Achievement View View Image viewList view Sort 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 Treasure SeekerFind 10 Secrets Sepulcher LooterFind 30 Secrets Laura Who?Find ALL Secrets Dino's Best FriendRescue 3 dinosaurs by destroying their helmets Quick and Not-so-DeadBeat any level in under 2 minutes in its entirety Lumberjack SamKill a Red Biomechanoid with only chainsaws Getting SeriousBeat the game on any difficulty Speed RunnerComplete a level from the start at over 100% gameplay speed Gun CollectorFind 16 guns Gun AficionadoFind ALL guns Quad PowerFind all 4 of any gun type Man with the Golden GunsUnlock 2 golden guns Golden BoyUnlock ALL golden guns Seriously ToughClear 2 Challenge levels Seriously NutsClear 8 Challenge levels Seriously UnstoppableClear ALL Challenge levels Unflinching SamBeat any level without dying Untouchable SamBeat any level without getting hurt Timeline CorrectionReplay any previous level (Choose Level menu) Skeletons in the ClosetFind Mental's Secret Closet Red Light RendezvousFind the Secret Red Light District I Heard You Like ParallaxFind the Monument to Parallax Gnaar-body's FoolKill over 50 Gnaar in a single level Ceiling SlaughterKill 10 Gnaar on ceiling spikes in Amethystine Depths Templeton’s BuddyHelp Templeton unlock his secret room in Amethystine Depths Time to Eat the DoughnutsEat one Boston Creme or Cannoli White Men Can JumpFind the Jump Pad Fully StackedCreate your first 6 gun stack Exterminator SamKill a Giant Flea in Fireball Fury Perfectly PerfectFind or reach 100% levels, challenges, secrets, guns, and connectors