Slay All Bosses: Idle

Incremental RPG with automatic battles and permanently learned equipment abilities

Memoria Interactive · Released Apr 14, 2026

Adventure Casual RPG Simulation Strategy

Reviews: Mixed; 63% of 84
Recent reviews: Not enough recent
Players: 2; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 6 months ago; Apr 14, 2026
Minimum PC: R7 240; 8 GB RAM · 8 GB disk; Full requirements

What is Slay All Bosses: Idle?

This single-player RPG follows a level-one hero from fighting goblins to confronting bosses. You spend battle earnings on a skill tree and level-up points on weapon and skill upgrades, including status effects and shorter cooldowns. Accessories grant passive bonuses and resistances, while an Ability Point budget limits which learned passives you can equip.

For you if...

+you prefer managing character growth over manually controlling attacks
+you enjoy combining equipment bonuses and passive abilities

Not for you if...

−you want a lengthy campaign with deep tactical decisions

What players say

63% of 84 reviews are positive

Players praise the monster art, spell effects, and straightforward progression. Common complaints concern the short length, limited strategic choices, and uneven class balance, though opinions on the Assassin differ.

Screenshots and trailer

Slay All Bosses: Idle system requirements

Minimum: R7 240, 8 GB RAM, 8 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 10
Processor: 2.0 Ghz
Graphics: AMD Radeon™ R7 240 / NVIDIA® GeForce® GT 730
Memory: 8 GB RAM
Storage: 8 GB available space
DirectX: Version 10

Does Slay All Bosses: Idle have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Slay All Bosses: Idle run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Sometimes shows mouse, keyboard or non-Deck controller icons
All functionality is accessible with the default controller configuration
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 27
Steam features: Family Sharing
Languages: Text only: English, Japanese, German, Spanish - Spain, Portuguese - Brazil, Portuguese - Portugal, Simplified Chinese, Spanish - Latin America, Korean.

Does Slay All Bosses: Idle use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam