A 3D merge puzzle set in the gymnasium after school, where you evolve balls into various sports: ping pong, golf, gateball, baseball, tennis, soccer, bowling, volleyball, rugby, and basketball.

Latest Version

Version
Update
Aug 9, 2026
Developer
Category
Installs
5+

App APKs

球GY - Sports Ball Fusion GAME

That after-school smell, the gymnasium bathed in orange light.

The sound of balls colliding echoes in the quiet space.

'BallGY' is a new kind of 3D merge action puzzle game set in a nostalgic twilight gymnasium, where you drop, stick, and grow balls.

Start with a ping-pong ball and aim for a giant basketball!

But be careful, if a ball spills out of the basket, it's game over.

Enjoy a thrilling physics puzzle with beautiful graphics.

The gameplay is simple!

Aim and drop!: Drag your finger across the screen to aim, then release to drop the ball into the basket.

Stick and evolve!: When balls of the same type collide, they evolve into a larger ball and earn points!

Ten different ball types: Ping Pong Ball ➔ Golf Ball ➔ Gateball ➔ Baseball ➔ Tennis Ball ➔ Soccer Ball ➔ Bowling Ball ➔ Volleyball ➔ Rugby Ball ➔ Basketball!

Aim for Basketball Fusion!: When you fuse two "Basketballs" of the highest difficulty level... you'll have to experience it for yourself to find out.

Unique Features of This Game:
The ever-changing beauty of the "Gymnasium at Dusk"
The waxed floor, the rays of sunlight streaming through the windows, the gently swirling golden dust.
As the game progresses, time seamlessly transitions from evening to night.
Finally, a fantastical gameplay experience amidst a sky full of stars!?

Three powerful "skills" to save you in a pinch
When you fuse balls and fill the gauge, you can activate helpful skills!

Squeak (Suction): Sucks the ball into the center of the basket. There might be other uses besides just tidying up the board.

Shake: Close the lid and shake the basket vigorously to safely combine the balls.

Reverse: Close the lid and reverse gravity for 4 seconds! This will make the balls stuck at the bottom float up!

Unpredictable "Empty Can Event"
After dropping a certain number of balls, an "empty can" will suddenly fall!?

When the timer reaches zero, a random event will occur, such as "Heart Guardian" (a rescue system that prevents balls from falling out once) or "Shrink" (makes the balls smaller)!

Your reliable partner, "Heart Guardian"
Obtaining a cute, plump 3D "Heart Guardian" will pull the ball back once when it's about to fall out of the basket, saving it. Its beating heart gently supports you.

Overwhelming Attention to Detail
Physical movement is the heart of the game, so we put an incredible amount of effort into it.

User-Friendly Design & Ease of Play
Fully optimized for vertical smartphones: A screen layout that allows for quick and easy one-handed play.

Reliable Out-of-Bound Judgment: Judgment is made not the moment the ball goes off the edge, but "after it has actually fallen to the floor." The ball that caused the out-of-bounds situation lights up red to indicate its location.

Automatic Best Score Saving: Displays your best record.

Selectable BGM: Choose your favorite from three BGM tracks that enhance the nostalgic atmosphere.

Bilingual Japanese & English Support: Switch between Japanese and English at any time with a single button.

Take us back to those slightly bittersweet and endearing after-school days.
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