A magnet will pull a blux up if you place another blux on top of the switch. As you level up, there are obstacles that either you avoid because it will destroy your blux or use for your benefit. Laser, water and acid will destroy your blux. If you drop a blux on a bomb, it will explode along with the surrounding blux. You can no longer remove a blux put on top of a glu box. Crates are useful to block laser beams. Simply use your mouse to slid blux.
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