# 4-Color Puzzle Simulator — Master big chains with AI

> Master big chains with AI (iPhone/iPad app by Tom App Works.)

- Source: https://appshunter.io/ios/app/4-color-puzzle-simulator/id6759387342 (this page in markdown: same URL + `.md`)
- Developer: [Tom App Works](https://appshunter.io/developer/1874760041)
- Category: Games, Education
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 22 MB
- Languages: American English, Japanese
- Released: 2026-02-23
- Data updated: 2026-08-27
- User reviews in markdown: https://appshunter.io/ios/app/4-color-puzzle-simulator/id6759387342/reviews.md

## What is 4?

"4-Color Puzzle Simulator" is a falling-block puzzle app for practicing chains and foundations at your own pace.

What you can do:
- Play turn-based online battles, considering and submitting one move at a time
- Battle the AMA AI at three difficulty levels
- Search for an online opponent while continuing an AMA battle
- Review battle history and replays for online and AMA battles
- View AI suggestions as ghost pieces
- Practice foundations including GTR, FRON, and Sub-GTR
- Register and review Ideal Patterns
- Play chain animations one step at a time
- Pause, adjust settings, or concede during a battle

Use it for everything from beginner practice to a warm-up before a match.

An internet connection is required for online features.


## Version history (last 5 releases)

### 2.0 — 2026-08-22

2.0
New
- Added a sound notification when an opponent is found.
- Added a Discard Match action for battles that cannot be recovered.

Improvements
- Fixed an issue where matchmaking could fail when starting an online battle some time after launching the app.
- Strengthened reconnection and battle recovery across app termination and relaunch.
- Waiting screens, matchmaking state, and match-found sound settings are now preserved during reauthentication.
- Improved connection handling so communication arriving immediately after connection startup is not missed.
- Clarified connection status by distinguishing waiting to reconnect, continuing without the opponent, and restoring communication.
- Once the opponent is confirmed absent, pressing DROP now commits the move immediately without waiting for the decision deadline.
- Strengthened persisted recovery so an in-progress move is neither lost nor applied twice after relaunch.
- Stale matchmaking rooms and rooms left after discarding a match are now cleaned up safely, including after relaunch.

1.9
New
- Added an in-app Announcements screen where you can check the latest updates.

Improvements
- Revised online matchmaking and fixed issues that could cause unstable connections.
- Online battles now begin only after both players confirm participation.
- Improved refresh behavior for the number of players waiting for a match.
- Adjusted paired-piece previews and battle animation timing.

1.8
New
- Added Turn-Based Online Battle, where each move is considered and submitted separately.
- Added VS AMA with three selectable difficulty levels.
- You can now search for an online opponent while continuing an AMA battle. When a match is found, choose whether to switch to the online battle or keep playing AMA.
- Added Battle History and replays for both online and AMA battles.
- Added in-battle pause, settings, and concede controls.

Improvements
- Improved reconnection and battle recovery after connection loss.
- Added retry controls when matchmaking fails during an AMA battle.
- Refined chain, attack forecast, garbage drop, and match-ending animations.
- Improved NEXT preview timing so it does not advance ahead of the placement animation.

### 1.9 — 2026-07-29

1.9
New
- Added an in-app Announcements screen where you can check the latest updates.

Improvements
- Revised online matchmaking and fixed issues that could cause unstable connections.
- Online battles now begin only after both players confirm participation.
- Improved refresh behavior for the number of players waiting for a match.
- Adjusted paired-piece previews and battle animation timing.

1.8
New
- Added Turn-Based Online Battle, where each move is considered and submitted separately.
- Added VS AMA with three selectable difficulty levels.
- You can now search for an online opponent while continuing an AMA battle. When a match is found, choose whether to switch to the online battle or keep playing AMA.
- Added Battle History and replays for both online and AMA battles.
- Added in-battle pause, settings, and concede controls.

Improvements
- Improved reconnection and battle recovery after connection loss.
- Added retry controls when matchmaking fails during an AMA battle.
- Refined chain, attack forecast, garbage drop, and match-ending animations.
- Improved NEXT preview timing so it does not advance ahead of the placement animation.

### 1.8 — 2026-07-28

New
- Added Turn-Based Online Battle, where each move is considered and submitted separately.
- Added VS AMA with three selectable difficulty levels.
- You can now search for an online opponent while continuing an AMA battle. When a match is found, choose whether to switch to the online battle or keep playing AMA.
- Added Battle History and replays for both online and AMA battles.
- Added in-battle pause, settings, and concede controls.

Improvements
- Improved reconnection and battle recovery after connection loss.
- Added retry controls when matchmaking fails during an AMA battle.
- Refined chain, attack forecast, garbage drop, and match-ending animations.
- Improved NEXT preview timing so it does not advance ahead of the placement animation.

### 1.7 — 2026-06-27

New Features
- Added "Ideal Patterns" to Endless Practice. Register and edit ideal patterns, and quickly check them during practice.
- Ideal patterns have adjustable display height, making patterns with extra space at the top easier to view.
- Added "Connect Same Colors" display toggle in Settings. When same-colored pieces are adjacent, their connections are clearly shown.
- You can now send feature requests and bug reports from the Settings screen.

Improvements
- Adjusted Endless Practice layout to make the board larger and easier to see.
- Moved score, turn count, and chain count to the top for a cleaner practice area.
- Improved chain clear animations for better visual clarity.

### 1.6 — 2026-06-15

新機能
・とことん練習に「理想パターン」機能を追加しました。理想形を登録・編集し、練習中にすばやく確認できます。
・理想パターンは表示する高さを調整可能。上部の空きが多い形も見やすく表示できます。
・設定に「同色の丸をつなげる」表示切替を追加しました。同じ色が隣接していると、つながりが分かりやすく表示されます。
・設定画面から、要望や不具合報告を送信できるようになりました。ご意見ご要望等お待ちしております。

改善
・とことん練習画面のレイアウトを調整し、盤面をより大きく見やすくしました。
・スコア、ターン、連鎖数を上部にまとめ、練習中の盤面まわりをすっきりさせました。
・連鎖中の消えるアニメーションが分かりやすくなるよう、演出を改善しました。

## More apps by Tom App Works

- [PureSwing Golf Analyzercc](https://appshunter.io/ios/app/pureswing-golf-analyzercc/id6758746955)
- [仕事のショートカット帳](https://appshunter.io/ios/app/id6776088609)
- [ちょうどいい割り勘](https://appshunter.io/ios/app/id6776225278)
- [AIリマインくん](https://appshunter.io/ios/app/ai/id6776896928)
- [LPIC-1 AIスタディ](https://appshunter.io/ios/app/lpic-1-ai/id6777042591)

All apps by Tom App Works: https://appshunter.io/developer/1874760041

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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 2026-08-27.*