HoloSeeker Achievements Here is the full list of all 9 HoloSeeker achievements.The base game contains 4 achievements, and there is 1 DLC pack containing 5 achievements.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 DLC Packs Group DLC packs together in list DLC Filter AllOwnedNone What are achievement flags? Click to find outApply Base Base Game (Excludes DLC) 58 4 92 (22%) WelcomeComplete the tutorial. Marine's TerritoryClear Marine's Territory. Hologra CityClear Hologra City. holoX HideoutClear the holoX Hideout. Add-on Unknown Pack 85 50 5 0.0011 (100%) Cretaceous PeriodClear Cretaceous Period Marine's Territory Hard ModeClear Marine's Territory Hard Mode Hologra City Hard ModeClear Hologra City Hard Mode holoX Hideout Hard ModeClear holoX Hideout Hard Mode Cretaceous Period Hard ModeClear Cretaceous Period Hard Mode