Oddly satisfying
Fun game!
Free
In-App PurchasesWith Ads
About
A hypnotic physics game where you drop balls into custom shapes and watch them multiply upon collision. Compete with friends to see who can create shapes that last the longest before the chaos erupts.
✓Custom shape drawing tool
✓Ball spawning and multiplication physics
✓Timed competitive gameplay
✓Multiple built-in shapes
✓Save and load custom shapes
✓Compete with friends
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What's New in Ka
1.0.4
July 3, 2026
Fixed errors in stats page.
1
In-App Purchases
$0.99
Ka-Boom-y
Remove ads, access to special shapes, unlimited save
User reviews
Developer apps
FAQ
What is Ka-Boom-y?
Ka-Boom-y is a physics-based game where players drop balls into custom-drawn shapes. Balls multiply when they collide, creating a mesmerizing chain reaction. The goal is to see how long a shape can withstand the chaos.
Can I play Ka-Boom-y offline?
The provided description does not specify if Ka-Boom-y supports offline play. However, the competitive features suggest an online component may be necessary for some modes.
How does multiplayer work in Ka-Boom-y?
Players can compete with friends by comparing their game times on the same shape. This allows for friendly competition to see who can design a shape that survives the longest or achieves other timed objectives.
What shapes can I use in Ka-Boom-y?
Ka-Boom-y offers 9 built-in shapes, including circle, square, hexagon, triangle, hourglass, dumbbell, blob, arena, and maze. Additionally, players can use the custom drawing tool to create any shape imaginable.
How much does Ka-Boom-y cost?
Ka-Boom-y is free to download and play. There is a one-time purchase option, Ka-Boom-y Pro, which unlocks additional features and removes ads.
Does Ka-Boom-y have ads?
Yes, Ka-Boom-y contains advertisements. Users can remove ads by purchasing Ka-Boom-y Pro.
What are the benefits of Ka-Boom-y Pro?
Ka-Boom-y Pro is a one-time purchase that removes ads, allows you to save up to 50 custom shapes, and unlocks exclusive Pro shapes. Family Sharing is also enabled for this purchase.
What devices is Ka-Boom-y available on?
Ka-Boom-y is supported on iPhone and iPad devices.