UFO99 4+

1-4P Co-op Flying Arcade Game

I Chen Sheng

    • 4.2 • 41 Ratings
    • Free
    • Offers In-App Purchases



1-4P local WiFi multiplayer co-op flying arcade game. Perform your best flying, speeding and dodging skills with your favorite character!

Block monsters can be found floating around in this colorful universe, so watch out! Pick up big hammers and smash them. Keep challenging levels to get a higher rank and score!

Giant bosses hide away in the Demon Key. Dodge their attacks, pick up magic items and fight back. Retrieve the long-lost UFO99 letter gems!

Features of UFO99:

#Super Easy - Flying & Combat
Fly, speed-up, dodge, pick up hammers and smash block monsters!

#Super Fun - Local Multiplayer Co-op Game
1-4 player co-op mode. Play with friends and family!

#Super Healing - Character Gashapons
Over 60 cute, healing characters. Fight with different characters each time!

#Super Relaxing - Play Anytime, Even For A Short Time
Each game requires only about 1 to 3 minutes. Lots of random levels with endless variations!

#Super Exciting - Combat Giant Bosses
Giant bosses are in hiding. Stay alert and feel the thrill of this easy-to-play game!

#Super Rich - Special Power-up Items
5 special power-up items allow you to always be the winner!

#Super Cute - Colorful Graphics
The various bright colors and cute styles can light up your day!

Tons of gold coins and items are given away each day!Download now to get countless gifts!
Start playing today!

What’s New

Version 1.4.0

General maintenance update and bug fixes.

Ratings and Reviews

4.2 out of 5
41 Ratings

41 Ratings

Editors’ Notes

Bombard bosses with kisses from kitties and toucans in this colorful 2D co-op flying battler.

johnynewman ,

Multiplayer does not work

Is there a certain wifi requirement for the multiplayer to work? We are all in the same network and we can’t connect.

Developer Response ,

Sorry about the issue and thanks for letting us know! We have fixed it in a later build.



I’m not able to join or have someone join my game been trying for a couple weeks

App Privacy

The developer, I Chen Sheng, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Identifiers
  • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Game Center

    Challenge friends and check leaderboards and achievements.

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