Neumorphic Knots — a fun web-based puzzle game

The goal of Neumorphic Knots is to swap tile pairs to form closed loops. It's more fun than I thought it would be. To swap two tiles, just click on them, or tap if you're playing on a touchscreen.

(The term neumorphism is new to me. It's a design style that blends skeuomorphism with flat design. )