Prehistoric Dude Achievements Here is the full list of all 14 Prehistoric Dude 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 Powerful Dude!Defeat 25 enemies. Prehistoric Warrior!Defeat 50 enemies. Dude, the Mighty!Defeat 100 enemies. By the Power of Ham!Defeat 150 enemies. Go Home, Dinosaur!Defeat the first Boss. What a Looong Neck do You Have!Defeat the second Boss. Dude, Prehistoric Dude!Defeat the third Boss. What's Inside!?Open 1 treasure chest. Dude Likes Treasure!Open 5 treasure chests. Look How Many Treasures I've Found!Open 10 treasure chests. Just a Few Ones More!Open 15 treasure chests. It's Not Ham!?Get 25 fruits. This Does Not Looks So Bad!Get 50 fruits. Me Likes Fruits Now Too!Get 100 fruits.