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About Slay All Bosses: Idle

Slay All Bosses: Idle is an incremental RPG in which you develop a level 1 hero into a slayer capable of defeating powerful foes. Your chosen hero fights automatically, attacking enemies and using skills tied to their equipped weapon.

Battles and weapons

Weapon Skills become permanently learned after you use them enough, so you can switch weapons and experiment without losing progress. Weapon upgrades grant additional stat bonuses while equipped, and the game includes 15 boss battles.

Develop your hero

After each battle, you earn currency to spend on your hero’s skill tree. Its nodes include stat boosts and passive abilities that change how your hero plays. Each level also grants Skill Points, which you can use to unlock weapon and skill upgrades. Skill upgrades can add status effects, hit all enemies or reduce cooldowns.

Passives and accessories

Enemies use dangerous skills and status effects. Equip accessories for passive bonuses and resistances; after enough battles, you permanently learn these passives and can equip them freely, subject to your hero’s Ability Points (AP). Mix and match learned abilities to adapt to different challenges.

Frequently asked questions

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.

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