Hacker News Games

Play in quick 60-second games where you must solve as many simple arithmetic problems as possible

A tiny game about binary to decimal conversion

Delete numbers so each row and column adds up to the target number at the right and bottom

Silly math games to make learning fun for K through 3rd grade

Click the numbers in ascending order as fast as you can

Solve compass and ruler construction problems

Wordle-like where you arrange 6 numbers in a formula to reach a target number

Add edges and nodes to the graph to break all symmetries

Make four numbers equal 10 in order