Portal (OS X) Achievements Here is the full list of all 15 Portal (OS X) 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 Flag Filter All None 15 Offline Mode 15 Single Player 4 Main Storyline 2 Collectable 2 Missable 3 Time/Date Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply Lab RatAcquire the fully powered Aperture Science Handheld Portal Device. FratricideDo whatever it takes to survive. PartygoerMake the correct party escort submission position decision. HeartbreakerComplete Portal. Terminal VelocityFall 30,000 feet. Long JumpJump 300 feet. CupcakeBeat two Portal advanced maps. FruitcakeBeat four Portal advanced maps. Vanilla Crazy CakeBeat all six Portal advanced maps. Basic ScienceEarn bronze medals on all Portal challenges. Rocket ScienceEarn silver medals on all Portal challenges. Aperture ScienceEarn gold medals on all Portal challenges. Camera ShyDetach security cameras from the walls. Friendly FireKnock down a turret with another turret. Transmission Received..?