# Rat Musou — Top-Down Rat Survival

> Top-Down Rat Survival (iPhone/iPad app by BH_Lin.)

- Source: https://appshunter.io/ios/app/rat-musou/id6770559461 (this page in markdown: same URL + `.md`)
- Developer: [BH_Lin](https://appshunter.io/developer/511288021)
- Category: Games
- Price: $1.99
- Age rating: 4+
- Requires: iOS 14.0 · 414 MB
- Languages: American English
- Released: 2026-05-19
- Data updated: 2026-06-19
- User reviews in markdown: https://appshunter.io/ios/app/rat-musou/id6770559461/reviews.md

## What is Rat Musou?

Mouse Musou is a top-down arcade survival game about holding your ground against endless waves of rats.

Move through the arena, aim your sprayer, manage your rodenticide supply, collect coins, recover health with cheese drops, and survive long enough to face powerful rat bosses.

Features:

- Fast top-down survival gameplay
- Touch controls designed for iPhone and iPad
- Rodenticide spray weapon with refill timing
- Multiple enemy rat types with different movement and stats
- Boss waves with unique visuals, music, and rewards
- Coins, cheese drops, shop upgrades, and best-record tracking
- Multiple arena themes and battle music

Stay alive, control the swarm, defeat the rat bosses, and push for a better survival record.


## Version history (last 5 releases)

### 0.2.05 — 2026-06-16

- Added Stage 6: Laboratory
- Added the new Stage 6 boss, Prototype-X
- Prototype-X brings new attacks: corrosive claw, poison spray, jump slam, and a deadly red death ray
- Added the Stage 6 clear achievement
- Fixed the ending / credits timing so it appears after Stage 6
- Fixed Stage Select clear status display for the final stage
- Shop upgrade prices now scale with the player's current upgrade level
- Added various balance, UI, and release workflow improvements

### 0.2.04 — 2026-06-12

- Fixed iOS shop touch handling: the Helicopter Shop now explicitly supports screen-touch input for item cards, upgrades, and the Next Stage button
- Enlarged the shop Next Stage touch target to improve reliability on iPhone
- Moved the shop Gold / HP status panel under the shop subtitle so current resources are visible before buying upgrades
- Adjusted Helicopter Shop spacing so the resource panel, item cards, and Next Stage button have clearer separation
- Added documentation for the iOS shop Next Stage touch issue, suspected cause, fix, and regression test steps

### 0.2.03 — 2026-06-02

- Added Simplified Chinese support

### 0.2.01 — 2026-05-26

- Improved Flame Dash visual effects (removed generic circle outline, added custom flame aura) and added screen shake/controller vibration feedback
- Improved Boss 1 ultimate skill visual effects (removed generic circle outline, added Boss burning aura)
- Updated Game Over screen stats to display stage-specific highest score and longest survival time instead of global records, and removed the "LV" display
- Improved the appearance of the Surrender button on the Game Over screen to match other buttons when not focused
- Fixed a critical bug in Boss Rush mode where selecting "Restart" would incorrectly return the player to Campaign Stage 1
- Fixed a bug in Boss Rush mode where the Stage Select screen would not respond to inputs after completing the mode
- Fixed a bug where pressing the Cancel button (B) on the controller in the Game Over screen could trigger unintended actions instead of Surrender

### 0.2.00 — 2026-05-25

- Added Stage Select screen with Taipei map background and 5 playable stages, each with unique theme, arena, and boss
- Added stage unlock progression — completing a stage unlocks the next one
- Added Boss Rush mode accessible from Stage Select
- Added in-game Surrender button on pause and game-over screens to return to Stage Select
- Added permanent upgrade persistence — shop upgrades carry over across stage clears
- Fixed restart after game over now returns to the selected campaign stage instead of restarting from stage 1
- Fixed controller focus and navigation on game-over screen

## More apps by BH_Lin

- [Currency EX Rate](https://appshunter.io/ios/app/currency-ex-rate/id1339198867)
- [BH's Calculator](https://appshunter.io/ios/app/bhs-calculator/id1350643100)
- [Video Download Tester](https://appshunter.io/ios/app/video-download-tester/id1564062891)
- [Grid Hacker Puzzle](https://appshunter.io/ios/app/grid-hacker-puzzle/id6765736177)

All apps by BH_Lin: https://appshunter.io/developer/511288021

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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 2026-06-19.*