Hidden Deep Achievements Here is the full list of all 14 Hidden Deep 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 Completely ShaftedRide a elevator from top to bottom non-stop. Yes, that's possible. 1 guideScan-Ball KillKill 3 enemies using one Scan-Ball True MinerDrill 100 meters of tunnel using the Tunnel Boring Machines IndestructibleComplete a level with high enemy presence without dying (must be 50+ enemies) GunslingerKill 20 enemies with your gun without dying Wheeeee!Use the grappling hook as a zip-line ProspectorFind a hidden cave using the Terra-Scanner 1 guideFlying rockFall from 50 meters or more True KillerKill 100 monsters Helping HandLet another team member use your rope to climb Not so fast!Kill the ceiling tentacle before it kills you on your first encounter End of the lineRappel down the full length of your grappling hook's line Just hanging aroundKill 5 enemies in a row while hanging on the grappling hook M-M-M-MonsterkillKill 1000 monsters