Slug's Sister Defense
A spin-off from the asymmetric party action game "Goonya Monster," with character designs by Terada Tera! Experience exhilarating roguelike tower-defense action! Defend the captive Snail from enemies approaching from all directions by acquiring and upgrading a variety of weapons and gear!
- Price:$3.98
- Release Date:12/3/2024
- Developer:MUTAN
- Publisher:MUTAN
- Last Updated:4/3/2026
- Steam App Id:3320390
Slug's Sister Defense
- Windows
- Mac
- Linux
Steam Charts, Stats, and Live Player Count
At the moment, Slug's Sister Defense has 1 concurrent player online and in-game. This is 92% lower than its previous all-time peak of 12 players achieved on 12/4/2024.
Slug's Sister Defense Review
Slug's Sister Defense has achieved a Steambase Player Score of 100 / 100. This score is calculated from 10 total reviews on the Steam store — giving it a Positive rating. These are split between 10 positive reviews, 0 negative reviews, and will be updated in real-time as more players leave their feedback.
Track historical reviews and overall rating trends for Slug's Sister Defense using the chart below.
Slug's Sister Defense Price
Slug's Sister Defense costs $3.98 in the Steam store as of 4/3/2026. At the moment, it can only be purchased as a standalone game but may be included in future bundles for a discount.
Explore the price history chart below to track historical price changes and other pricing stats for Slug's Sister Defense.
About Slug's Sister Defense
Slug's Sister Defense is an Indie, Casual, and Early Access game developed by MUTAN. On 12/3/2024, it was released on the Steam Store by MUTAN.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Slug's Sister Defense supports the following features:
- Single-player
- Full controller support
- Family Sharing
From the Steam community, Slug's Sister Defense has been tagged with the following user tags:
- Action Roguelike
- Comedy
- Tower Defense
- Cute
- Indie
- Early Access
- Casual
- Singleplayer
Media & Sceenshots
Watch the featured video for Slug's Sister Defense and see the latest screenshots from the Steam Store.
Related Packages
Slug's Sister Defense is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| スラッグのシスターディフェンス | $3.38 | View |
Supported Languages
Slug's Sister Defense is available in 4 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| Japanese | Yes | No | No |
| English | Yes | No | No |
| Chinese (Simplified) | Yes | No | No |
| Chinese (Traditional) | Yes | No | No |
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Slug's Sister Defense data has been sourced from:
- Valve Corporation. (2026, April 3). Slug's Sister Defense on Steam. Steam Store. https://store.steampowered.com/app/3320390
- Valve Corporation. (2026, April 3). Slug's Sister Defense. Steam Community Hub. https://steamcommunity.com/app/3320390