Mountain Taxi Challenge Achievements Here is the full list of all 8 Mountain Taxi Challenge 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 Punctual ProComplete a ride within the time limit. Safe DriverComplete a mission without any collisions. Ultimate Taxi DriverComplete all 30 missions successfully. Flawless RideComplete a mission using brakes less than 5 times. Close CallDrop off a passenger with less than 2 seconds remaining. The Express LaneTake an off-road shortcut and reach the destination 10 seconds faster than the usual route. Turbo TaxiComplete a mission with more 15 second left. Mountain MasterComplete 5 missions in a row without any crashes