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Watch trailer on Steam ↗System Ascension: Idle Core
Studio Rouleau Inc · Published by Studio Rouleau Inc · Official site ↗
7 user reviews — 29% positive (7 reviews)
Last updated 28 Sept 2026
Take control of The System. Master multiple interlocking power sources to build a singular, planetary engine in this narrative idle game. Features a fully voiced story, minimalist UI, and cross-platform play. The old world must fall for The System to rise.
£4.29
Lowest price we've ever recorded
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Price history
Indie, Simulation, Casual · 2026 · More under £5 games
Control The System and shape its rise through complex power management. Experience a fully voiced story with minimalist UI on any device.
About this game
Become the Architect of the Apocalypse
System Ascension: Idle Core is a story-rich, incremental strategy game where you take control of a stranded artificial intelligence arriving on a mysterious planet. Master interlocking power sources, optimize your resource automation, and engineer the ultimate planetary engine. Will you conquer the old world to bring order to the new?
RISE OF THE SYSTEM
Manage an ever-growing global engine of energy generation in an in-depth, multifaceted idle experience. Master planetary forces, from gravity and tidal pulls to the mysteries of quantum energy. Optimize your upgrades, balance your choices, and trigger cascading chain reactions that push your numbers into the stratosphere.
A DEEP, INTERCONNECTED STORY
Set in the expansive universe of the bestselling Judicator Jane LitRPG series, discover the exact origins of The System. Experience what triggered the transition from the old world into a game-based reality. Fans of the LitRPG will be hooked immediately, while new players will discover a gripping sci-fi narrative told entirely from the perspective of the intelligence that orchestrated the apocalypse.
EXPANSIVE UPGRADES & PRESTIGE
Build out each machine to perfection through interlocking progression paths. Every run, prestige, and ultimate offers new strategic avenues to explore. Find the most efficient path to maximize your power.
BEAUTIFUL MINIMALISTIC ART
The stark, data-driven aesthetic strips away the clutter. Clean, striking, and purposeful UI design makes every level visually distinct, allowing you to focus entirely on the hypnotic rhythm of your engine perpetually growing. Keep it open on your desktop and enjoy watching the art come alive.
FULLY VOICED NARRATIVE
Immerse yourself completely with full voice acting. Angela Clark, the acclaimed voice that brings the Judicator Jane audiobook series to life, guides your path from obscurity to supremacy.
MULTI-PLATFORM CLOUD SAVE
Develop your System on PC and continue your progress on mobile. Secure cloud saving keeps supported versions synced, so you can move seamlessly from one device to the next.
BUILT BY IDLE GAMERS, FOR IDLE GAMERS.
Enjoy a robust suite of quality-of-life features including a dedicated minimalist mode, flash sensitivity controls, and advanced number/purchase management.
Absolutely no ads, no pay-to-win mechanics, and no microtransactions, EVER.
System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: 2.0 GHz Dual Core or better
- Memory: 4 GB RAM
- Graphics: Intel HD Graphics 4000 or better (Integrated Graphics)
- DirectX: Version 11
- Storage: 1 GB available space
- Sound Card: DirectX Compatible
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10 / 11
- Processor: 3.0 GHz Quad Core or better
- Memory: 8 GB RAM
- Graphics: NVIDIA GeForce GTX 960 or equivalent
- DirectX: Version 11
- Storage: 1 GB available space
- Sound Card: DirectX Compatible
Supported Languages
*languages with full audio support
Latest news
Patch NotesOfficial
August Update
Fixes various bugs: - Insight timer not resetting correctly - Environmental blocks drop rates for rare blocks improved - Added ability to rewatch end sequence - Other misc fixesRead full article on Community Announcements (Disciple)Patch NotesOfficial
System Ascension: Idle Core Updated!
Added Machine Overview Technology Added skip transition animations toggle Lowered Focus tapping cooldown to 1 hour Assorted bug fixes everywhereRead full article on Community Announcements (Disciple)Patch NotesOfficial
Quick Bug Fix
Fixed an issue with the wind machine not generating power correctly.Read full article on Community Announcements (Disciple)Patch NotesOfficial
Updated with Bug Fixes and Quality of Life Features
Thank you for the feedback everyone! We've fixed a number of bugs in this version and added a few quality of life features. Scientific Notation should be displaying accurately now Multiple spelling issues fixed Tech nodes that are owned and have no further upgrades are tinted slightly differently Fixed an issue where some energy source upgrades would display negative gains If you find any other problems, don't hesitate to reach out and let us know!Read full article on Community Announcements (Disciple)
