Sharpness.net

Squaring the Circle

Try to solve the greatest mathematical problem of the ancient world. Construct a square equal in area to a circle using only a mouse

Messy Desk

Clean up the messy desk! Remove all objects from the pile as fast as you can. An object can be picked up only when no other lies on top of it.

Break the Code

Use your power of deduction and discover a secret code created by the computer in as few steps as possible

Tower of Hanoi 3D

Move all the disks from the left peg to the right one by moving one disk at a time to any of the 3 pegs. No disk can be placed on a smaller one.

TwinNotes

Concentration-like game that teaches to recognize music notes by ear and improves tonal memory.