The cooperative fireworks card game also known as Hanabi, free in your browser. You can see every hand but your own — spend your hint tokens well, team up with three AI partners, and build all five fireworks from 1 to 5 for a perfect 25. No download, no account, no waiting for other players.
New to it? Read the full rules of Hanab — the deck, clue tokens, fuses and how scoring works.