Material Evidence Achievements Here is the full list of all 11 Material Evidence 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 The DetectiveClear Chapter 2. SimonClear Chapter 4. SlaughterClear Chapter 6. Empty WallsClear Chapter 8. End Of The LineGet yourself killed. Knock, KnockKill an enemy by slamming them with a door. Wrenched ApartKill an enemy using a Wrench. Rocket ManKill an enemy using a Rocket Launcher. Collateral DamageKill an enemy by causing a fire extinguisher to explode. Rock On, Dude!Find the young punk rockers. My Stomach Can't Take ThisFind the vomiting cop.