Biggest Rectangle

How to Play ⬛ Biggest Rectangle

Draw as many non-overlapping rectangles as possible into the field. Game over when nothing more fits. This game runs entirely in your browser — no download, no login, no Flash required. Works on desktop, tablet and mobile.

• ✅ Click and drag to draw a rectangle
• ✅ Blue preview = valid, Red preview = invalid
• ✅ Rectangles must stay fully inside the black border
• ✅ No overlapping allowed — even a single pixel counts
• ✅ Use thin strips to fill leftover gaps and maximise your score
• ✅ 100% free — no account or sign-up needed