Idle Sphere

Incremental idle game where sphere growth reflects your currency gains

Idle System, Inc., Yayu · Published by Idle System, Inc. · Released Nov 17, 2024 · Early Access

Casual Indie Simulation Strategy Free To Play

Reviews: Mixed; 50% of 350
Recent reviews: Not enough recent
Players: 34; daily peak, Oct 28, 2026
Steam Deck: Unsupported
Last update on Steam: 1 month ago; Sep 14, 2026
Minimum PC: HD 4000; 4 GB RAM · 0.5 GB disk; Full requirements

What is Idle Sphere?

This free-to-play, single-player idle game is in Early Access. You buy upgrades, zoom in and out to inspect increasingly complex spheres, and use prestige resets to reset some upgrades in exchange for greater power.

For you if...

+you like leaving a game running between occasional check-ins

Not for you if...

−you prefer fast progression over long-term resource accumulation

What players say

50% of 350 reviews are positive

Players praise the visuals but frequently criticize how little the game explains its systems. Complaints also focus on the cash shop, including paid randomized rewards that players say can yield no benefit.

Screenshots and trailer

Idle Sphere system requirements

Minimum: HD 4000, 4 GB RAM, 0.5 GB of disk space.

As published by the developer.

Can my PC run Idle Sphere?

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Minimum

OS: Windows 7 SP1 or later
Processor: Intel Core i3 or equivalent
Graphics: Intel HD Graphics 4000 or equivalent
Memory: 4 GB RAM
Storage: 500 MB available space
DirectX: Version 10

Does Idle Sphere have co-op or multiplayer?

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

Single-player

Does Idle Sphere run on Steam Deck?

Unsupported No: Valve rates it Unsupported on Steam Deck.

Not supported on SteamOS

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, macOS
Achievements: 29
Steam features: Cloud saves, Family Sharing, In-app purchases
Languages: Text only: English, French, German, Spanish - Spain, Indonesian, Portuguese - Portugal, Simplified Chinese, Japanese, Korean.

Does Idle Sphere 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