SLI-FI: 2D Planet Platformer Achievements Here is the full list of all 9 SLI-FI: 2D Planet Platformer 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 Complete World 1Complete World 1 with any amount of stars Complete World 2Complete World 2 with any amount of stars Complete World 1Complete World 1 with all stars Complete World 2Complete World 2 with all stars Play Co-opStart a Co-op game with a friend Complete World 3Complete World 3 with any amount of stars Complete World 3Complete World 3 with all stars Complete World 4Complete World 4 with any amount of stars Complete World 4Complete World 4 with all stars