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Be the first to review 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!
Game modes: Single player
Right now the lowest price for Slug's Sister Defense we're tracking is $3.18 at Steam. We compare 1 store and prices refresh every few minutes.
The lowest price we've recorded for Slug's Sister Defense is $3.18 at Steam on September 15, 2026. The current best price matches that all-time low — historically a good time to buy.
100% of 12 Steam user reviews for Slug's Sister Defense are positive ("Overwhelmingly Positive").
Slug's Sister Defense released on December 4, 2024, developed by MUTAN INC. and published by MUTAN INC..
Slug's Sister Defense is available on PC (Microsoft Windows). It supports single player.
The cheapest Slug's Sister Defense price right now is $3.18 at Steam.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 SteamBest priceAll-time low | -20% | $3.18 | Buy Slug's Sister Defense at Steam |
All-time low: $3.18 at Steam on Sep 15, 2026 — the current best price matches it, a good time to buy.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.
