Idle Slayer

Pixel-art incremental platformer mixing active play with offline progress

Pablo Leban · Released Dec 21, 2020

Reviews: Very Positive; 85% of 11K
Recent reviews: Very Positive; 81% of 116 in 30 days
Playing now: 978; right now
Steam Deck: Verified
Last update: 3 months ago; Jun 4, 2026

What is Idle Slayer?

This is a single-player incremental game with pixel-art 2D platforming and idle progress. You run and jump through different dimensions, collect coins, defeat enemies, and spend souls and materials on skill-tree upgrades, crafting, equipment, and new abilities.

For you if...

+you enjoy incremental growth with active and offline play
+you like pixel-art platforming and frequent upgrade choices
+you want many progression systems to unlock over time

Not for you if...

−you want a mostly hands-off idle game
−you dislike slow progression and random equipment grinds
−you prefer games without repetitive jumping and clicking

What players say

85% of 10,877 reviews are positive · 81% of 116 in the last 30 days

Players praise the pixel art, layered progression, minigames, and suitability for background play. The most common complaint is that meaningful progress requires too much active play for an idler; players also criticize progression walls, random buffs and equipment drops, and repetitive late-game grinding.

Screenshots and trailer

Idle Slayer system requirements

As published by the developer.

Minimum

OS: Windows 10 or 11
Processor: 2 GHz +
Graphics: 512 MB
Memory: 1 GB RAM
Storage: 100 MB available space

PC version details

DRM, required accounts, controller support and Steam features.

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 651
Steam features: Family Sharing, Trading cards, In-app purchases, HDR

Steam Deck: Verified

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

Multiplayer and co-op

Single-player

Languages

Text only: English, French, Italian, German, Spanish - Spain, Czech, Hungarian, Polish, Portuguese - Brazil, Spanish - Latin America, Korean, Portuguese - Portugal, Romanian, Russian, Simplified Chinese, Traditional Chinese, Turkish, Vietnamese, Japanese, Dutch, Finnish, Swedish, Ukrainian, Danish, Norwegian, Armenian, Catalan, Malay, Indonesian.