Where Ludo King leans on dice and a board, UNO! is built around a deck of cards and the shout that gives it its name. It comes from Mattel Game Studios HK Limited and sits in the two-player and multiplayer game categories, with real-time matches, house rules and a 2v2 mode for partnering with friends or family.
The official Mattel version of a table classic
The defining fact here is the source. This is the licensed mobile edition from the toy maker behind the physical game, released on November 13, 2018. It is free, rated Everyone, with ads and in-app purchases.
The core is the classic card game with standard rules. Players can also pick from a variety of house rules for real-time matches, so the rule set is adjustable rather than fixed.
A session from Quick Play to the daily wheel
A new player taps Quick Play and starts a match under classic rules. Friends and family can instead set up a game with their own house rules and invite others to join.
Between matches there is a progression layer. World Series tournaments and special events award free rewards, and leaderboards track the top players. A daily wheel spin gives another free reward. Clubs let players chat and send each other gifts.
Go Wild is the unusual mode. It uses two decks and house rules, and the developer says winnings can reach 600 times the stake. It is all or nothing, so losses are as sharp as wins.
Teams, the Championship Series and how it sits beside the alternatives
Buddy Up puts two players on a team in 2v2 matches. Each partner helps empty a hand, either their own or their teammate's, before the opposing team does. That team format sets it apart from the one-on-one focus of 2 Player games or Hangman Words: Two Player Games.
The UNO Championship Series adds daily invitations to digital qualifiers. Mastering all three qualifiers earns a place as a finalist. The contest is open to legal residents of the 50 US states and DC aged 18 or older, with qualification rounds ending at 4:59 pm PT on 9/26/26.
Against 8 Ball Pool or Ludo King, the difference is the game itself: cards, not cue sports or a dice board. It needs Android 6.0 or newer.
What's new in 1.18.4423
The current version is 1.18.4423, updated on October 14, 2026.
UNO! pros and cons
Pros
- Official Mattel edition with classic rules and selectable house rules
- 2v2 Buddy Up mode lets partners share the goal of emptying hands
- Tournaments, events and a daily wheel give free rewards
- Clubs allow chat and gift sending between friends
- Free to install, with over 100 million installs on Google Play
Cons
- Contains ads
- Includes in-app purchases
- Go Wild mode is all or nothing, with large swings
- The Championship Series is limited to legal residents of the 50 US states and DC aged 18 or older
Is UNO! safe?
UNO! is published by Mattel Game Studios HK Limited under the package ID com.matteljv.uno. The game is free, but it shows ads and sells in-app purchases, so keep that in mind if kids are playing. Its content rating is Everyone, and the permissions listed on the store page are worth a quick read.
How to install UNO!
- Press the Google Play button on this page.
- Check the listing in the Play Store and press Install.
- Open UNO! when the install finishes. Updates arrive through Google Play.
