Guide a red square through compact grid levels in this modern minimalist puzzle game. Clear paths, collect every yellow key, unlock the yellow door, and slip through to win. Each level challenges your thinking with simple mechanics, subtle complexity, and clean, focused design.

Drag with mouse or touch to slide blocks and the red square. Collect every yellow key to unlock the yellow door.

• Take your time — rushing leads to mistakes.
• Look for patterns and repeating elements.
• Work from the edges or corners inward.
• If you're stuck, try a completely different approach.
• Use the undo button freely — experimentation is key.