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About Slug's Sister Defense
Slug's Sister Defense is an action game featuring Slug, an overprotective brother from Goonya Monster. His sister Snail has fought off Goos, Undead and other Monsters, but now her enemies are plotting revenge. Slug sets out to protect her as she faces this new threat.
Defend Snail
Snail stays in the center as enemies try to break through her shield. You protect her for as long as possible by charging at enemies and wiping them out. Slug does not take damage, and equipped weapons fire automatically.
Deploy and evolve weapons
As you level up, you can acquire and enhance weapons and gear, place weapons where you choose, and collect them again to adapt to different situations. To evolve a weapon, acquire specific gear and reach its maximum level; the weapon evolves when you level up next. Evolved weapons have improved visuals and performance.
Face powerful Monsters
Unique Monsters have special skills, and some specifically target Slug to interfere with his defense of Snail.
Upgrade your gear
Coins collected in battle can be spent to enhance gear on the Power-Up screen in the title menu. Gear effects persist unless you reset them, allowing your power to grow over time. You can also reset your upgrades to take on an extra challenge.
Frequently asked questions
The best price for Slug's Sister Defense is $3.98 at Steam. It is the only shop with an offer that activates in your country.
The minimum requirements for Slug's Sister Defense are: Windows 10, GeForce GTX 660, Intel Core i5, 4 GB RAM, 500 MB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Slug's Sister Defense is a single-player game.
Yes. Slug's Sister Defense is the full base game. You need nothing else to play it.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











