How many Slug's Sister Defense players are currently online?

There are 1 concurrent players playing Slug's Sister Defense on Steam.

How much does Slug's Sister Defense cost on Steam?

Slug's Sister Defense currently costs $3.98 in the Steam Store.

Is Slug's Sister Defense on sale?

Slug's Sister Defense is not currently on sale. It can be purchased for its base price of $3.98.

Is Slug's Sister Defense free on Steam?

Slug's Sister Defense is not free to play on Steam and currently costs $3.98 in the Steam Store.

Is Slug's Sister Defense dead?

Slug's Sister Defense currently has 1 players online which is a 92% decrease from its peak of 12 players. By these metrics, Steambase considers Slug's Sister Defense to be a dead game.

Is Slug's Sister Defense still good in 2026?

Slug's Sister Defense is currently rated as Positive in the Steam Store based on a total of 10 reviews — an overall 100% positive review rating.

Who created Slug's Sister Defense?

Slug's Sister Defense was developed by MUTAN, published by MUTAN, and released on 12/3/2024.

Can you play Slug's Sister Defense on Windows?

Slug's Sister Defense is playable and fully supported on Windows.

Can you play Slug's Sister Defense on Mac?

Slug's Sister Defense is not playable on Mac OS.

Can you play Slug's Sister Defense on Linux?

Slug's Sister Defense is not playable on Linux.

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

1 Players In-Game

Player Score

Platforms

Windows
Mac
Linux

$3.98 See more deals

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.

1 Players In-Game

12 All-Time Peak

Player Score

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.

Slug's Sister Defense Deals & Discounts

Discover exclusive deals and unbeatable discounts for Slug's Sister Defense through our partner marketplaces. Get a large discount (sometimes 80% off) by purchasing your Steam key through them.

We only work with the best and most-trusted marketplaces to ensure a smooth experience. After purchase, you will immediately receive your Steam key and game activation code. Take advantage of these offers and dive into the world of Slug's Sister Defense without hurting your wallet.

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About Slug's Sister Defense

Slug's Sister Defense is a Casual, Indie, 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:

Family Sharing
Single-player
Full controller support

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.

Slug's Sister Defense Featured Screenshot #1

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

More Steam Charts

Track historical trends for Slug's Sister Defense community hub members and its growth over time. It currently has 54 followers in its community.

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

Links & Socials

User Tags

Features

Genres