AlDraw
A tool for making geometric drawings. It has versions for the desktop, Android, iOS and browsers.
Cosmic Clicker
Build a colony an alien planet.
Hexalexicon
Find words on a hexagonal grid.
Addle
Figure out an addition equation from clues on previous guesses. Inspired by Wordle.
Phylogeny
A puzzle game inspired by biology. Find the common ancestor of a group of species.
Asteroids
An arcade classic.
Calculation Tools
Simple calculation tools. Prime factors, base conversion, and distance to the horizon.