Tunnel Assault Demo Achievements Here is the full list of all 11 Tunnel Assault Demo 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 What are achievement flags? Click to find outApply DemoPlayStarted to Play the Game First CollectableCollected your first Collectable First UpgradeUnlocked your first upgrade First BoostFound your first in game booster No Shots FiredCompleted a level without firing any shots No DamageCompleted a level without taking damage Heavy ShooterFired 10,000 shots TravellerTravelled 250 km RollerDone a 360 Roll CompletedCompleted the Demo EndlessPlayed the Endless level