UNO Online — Pro

2–4 players • Real-time via Firestore • Anonymous Auth • UNO Call • +4 Challenge • Reshuffle • Rounds & Scoring

1) Sign in (Anonymous)

Not signed in

2) Room

Create Room

Join Room

3) Lobby

All players must be Ready. 2–4 players only.

4) Game

Discard

Deck

Your Hand

Choose Color

Round Result

House rules: UNO call required at 1 card; penalty 2 on catch. +4 Challenge enabled. Reshuffle enabled. First to 500 pts wins match.