# Tashitama - Calc Ball Puzzle — Add to 10, Train Your Brain

> Add to 10, Train Your Brain (iPhone/iPad app by Isao Yamaguchi.)

- Source: https://appshunter.io/ios/app/tashitama-calc-ball-puzzle/id1539542902 (this page in markdown: same URL + `.md`)
- Developer: [Isao Yamaguchi](https://appshunter.io/developer/1538751336)
- Category: Games, Education, Casual, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.0 · 29 MB
- Languages: American English, Japanese
- Released: 2026-02-15
- Data updated: 2026-08-19
- User reviews in markdown: https://appshunter.io/ios/app/tashitama-calc-ball-puzzle/id1539542902/reviews.md

## What is Tashitama?

Trace balls that add up to 10. Simple? Yes. Addictive? Absolutely.
The 45-second number puzzle that sharpens your brain — one hand, anytime, anywhere.

HOW TO PLAY
Trace numbered balls with your finger. When they add up to 10, they pop! Land chain combos for massive score multipliers. That satisfying moment when a big chain clears? You'll chase it for hours.

5 GAME MODES — NEVER GET BORED
- Normal: How high can you score in 45 seconds?
- Moon: Low gravity makes balls float — a whole new challenge!
- All Fives: Everything is 5. Clear them in pairs!
- Big Ball: Massive balls, massive fun!
- Tiny: Tons of tiny balls to clear in one epic chain!
Progress through Story Mode to unlock them all.

26 STAGES OF CHALLENGE
Dodge onigiri obstacles, survive marathon rounds, and master unique stage mechanics. Each stage pushes your skills further.

WORLD RANKING
Climb the global Top 20 leaderboard for each mode. Can you reach #1?

PERFECT FOR
- Quick brain training during commutes
- A satisfying time-killer on your break
- Sharpening your mental math skills

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |



## Version history (last 5 releases)

### 3.2.1 — 2026-08-17

v3.2.1
- Fixed a bug where the music stopped and the balls looked flat after retrying a round
- Play the new "Time Attack" mode: race to 3,000 points as fast as you can — no limits, open to everyone!
- Added a World Ranking to compete for your best Time Attack time

### 3.2.0 — 2026-08-15

v3.2.0
- New "Time Attack" mode: race to 3,000 points as fast as you can — no limits, open to everyone!
- Added a World Ranking to compete for your best Time Attack time
- Fixed an issue where the ad could overlap the back button on some menu screens

### 3.1.0 — 2026-04-22

v3.1.0 Update

RUSH MODE
- Brand-new 15-second blitz mode
- Triple the balls drop from the start — chain opportunities from second one
- Ideal for any spare moment

SHARE YOUR RUNS
- Toggle "Record this run" on the mode select screen
- After the game, share your recording straight from the iOS share sheet
- Promo-card images auto-generated from your results too

RANKING POLISH
- The "Submit ranking" button now only appears when you beat your previous submission
- Empty nicknames are now blocked at the submit button

PLUS
- Settings now has a "What's New" entry so you can revisit release highlights anytime

### 3.0.4 — 2026-04-02

Improved the Settings screen and polished in-game result displays.

### 3.0.3 — 2026-03-15

v3.0.3 Bug Fixes
- Fixed an issue where BGM could continue playing after leaving a mode mid-game
- Improved sharing flow and some in-game display details
- Adjusted stage labels and English-language navigation

## More apps by Isao Yamaguchi

- [Calc Ball](https://appshunter.io/ios/app/calc-ball/id1539312512)
- [Footscroll - Japanese Steps](https://appshunter.io/ios/app/footscroll-japanese-steps/id6759491044)
- [Reversi Trio: 3-Player](https://appshunter.io/ios/app/reversi-trio-3-player/id6759812198)
- [Leg Scroll - Squat Counter](https://appshunter.io/ios/app/leg-scroll-squat-counter/id6760250714)
- [Wakeikoku - Japanese Scenery](https://appshunter.io/ios/app/wakeikoku-japanese-scenery/id6760963560)

All apps by Isao Yamaguchi: https://appshunter.io/developer/1538751336

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-19.*