💎Gem – tap to select, tap destination
🎯Goal – move gem here to win
📦Push block – shoved 1 step if space behind is free
🧊Ice block – slides until hitting a wall; gem also slides THROUGH ice
🔄Swap – gem and this tile exchange positions
💣Bomb – gem triggers it; destroys self + adjacent walls
🌀Portal A/B – enter one, exit the other
🌿Gravity – after gem lands here, it slides one extra step in arrow direction
🪞Mirror ╲╱ – gem deflects 90°; continues sliding in new direction
🔑Key – gem picks it up; unlocks adjacent Lock tiles
🔒Lock – impassable until gem carries its key
🪨Wall – immovable blocker