O Blast! is a relaxing match & merge puzzle game on a circular board that allows two way strategy for blasting the highest numbers.

Merge the number on the center with numbers on the outer circle. The outer circle expands with each new ball and contracts with each new merge.

Tap on the circle to place incoming orbs and merge the same numbers. 2 next to another 2 makes 4. 4 next to another 4 makes 8 and so on...

But be careful! Don't get too close to the outer circular border, otherwise the game will be over and everything will blast away.

Create combo merges to increase your points dramatically.

Play at your own pace, whenever you want and wherever you want.

You can see your rank in the worldwide rankings. Everyone starts within the top 100%, novice players make it to 80%, professional players can go as high as top 40% and the elite players are on the top 1%.

- Slide towards the outer circle to merge the numbers
- Merge sequential numbers to make combos to get exponentially higher points
- Watch your ranking improve in real-time against players worldwide

For all feedback, bug reports, questions and suggestions please say hello:

What’s New

Version 1.0.3

This update upgrades the fun, squashes bugs and opens up a whole new worldwide ranking system.
- Brand new medals for the puzzle masters
- Updated puzzle logic to add deeper challenges as you level up
- Now you can win Undo moves by being a great player, or purchase them if you like
- Fixed bugs and improved performace

Ratings and Reviews

4.7 out of 5
178 Ratings

178 Ratings

Puzzler14 ,

Mindless fun but buggy

The game is in really bad shape on my device, it keeps freezing and will not combine bubbles. Also, when you get above 100x multiplier on the level up, it does not display well on my ipad. I deleted the game, and when I got back up to 1.21Billion points it froze again, a lot sooner than last time. Going to quit this game.

Platniumsaint ,

I love it but...

I enjoy the game and I love playing it but I’ve gotten to 0% in the world and so I want to know where exactly that is with a public leaderboard currently I’m at 1.45B with my highest being a 4M bubble so it’d be very nice to compare it within someone

Developer Response ,

Wow, you are among the elite of the elite Platniumsaint! Congratulations.

This is a great feedback, thank you very much. We are overhauling the worldwide rankings.

I hope you will enjoy it more with our upcoming and more detailed rankings.

O Blast! Developer Team

aracles88 ,

So much Fun!

This game is a bit easy in the beginning but going into the late 20s it gets really good! I just downloaded it today and I can’t stop playing!


168.3 MB

Requires iOS 10.3 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating
Rated 4+
© App Samurai Inc
In-App Purchases
  1. Remove Ads $1.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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