BOULDER DASH 40th Anniversary Achievements Full list of all 16 BOULDER DASH 40th Anniversary achievements.The base game contains 12 achievements, and there is 1 DLC pack containing 4 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) 120 12 00 (0%) Tutorial CavesComplete all Tutorial caves. Crystal Heaven CavesComplete all Crystal Heaven caves. Obsidian Depths CavesComplete all Obsidian Depths caves. Catchy Diamonds CavesComplete all Catchy Diamonds caves. Shifting Journey CavesComplete all Shifting Journey caves. Complex Dash CavesComplete all Complex Dash caves. Brain Delicacy CavesComplete all Brain Delicacy caves. Arno's World CavesComplete all Arno's World caves. Dangerdash CavesComplete all Dangerdash caves. Boulder Dash I CavesComplete all Boulder Dash I caves. Boulder Dash II CavesComplete all Boulder Dash II caves. Boulder Dash III CavesComplete all Boulder Dash III caves. Add-on Unknown Pack 40 40 4 0.0000 (0%) Boulder Dash IV CavesBoulder Dash III Caves Complete all Boulder Dash IV caves. Forgotten Memories CavesComplete all Forgotten Memories caves. Blasting Hangout CavesComplete all Blasting Hangout caves. Rockadore's World CavesComplete all Rockadore's World caves.