Unknot!

Unknot! is a single player casual simulation game. It was developed by P.F.J. and was released on August 1, 2025.

I make the rope the main character. Unknot! is a physics puzzle inspired by the math of knot theory. In a calm, minimal look, you drag to tidy tangled rope and feel weight, friction, and tension. The play uses simple shape ideas: you do not cut the rope, you only change its shape to see if it can be untied, and you pick up some easy math as you go. You set the pace and difficulty, from relaxed pla…