Four-Knight Achievements Here is the full list of all 10 Four-Knight 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 CirclePlay for the first time. CrossPlay 5 times. TrianglePlay 10 times. BoxPlay 15 times. Four-Knights with YouPlay with 2 players. TrinityPlay with 3 players. All the ShapePlay with 4 players. First VictoryDefeat a enemy. The EliteDefeat a Hard enemy. The KnightDefeat 3 Hard enemies.