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EVENEMENTHOLDING GROUP
Catalogue
Key art for Ferrous Bloom
GameIdle factory builder

Ferrous Bloom

Build the machine that dismantles the machine.

250 ms
Deterministic tick
74
Machine types
18.6%
D30 retention
6.3%
Ad-free purchase rate
The build

An idle builder about a foundry that has already failed. You are not growing a factory so much as taking one apart and feeding the parts into something greener, and the numbers go up either way.

The simulation runs on a fixed tick that resolves the same way whether the app is open or closed, so a week away produces exactly the state it would have produced had you watched it. No fake offline earnings, no timer to pay past.

Our most argued-about release. The economy shipped 30% too generous, we corrected it eleven days in, and the review score took a two-week hit before recovering. We left both versions documented in the patch notes because the players who noticed deserved the explanation.

What is in it

  • Deterministic offline simulation, no catch-up timers
  • 74 machine types across six production tiers
  • Full production graph view with bottleneck tracing
  • One-time purchase removes all advertising
  • Cloud saves through Play Games Services
Specification
Released
2025
Built with
Unity 6 · C#
Download size
94 MB
Requires
Android 9.0
Ownership
Original title
Status
Live
512K
Installs
4.44
Rating
9,861
Reviews
Credits
  • Selin AksoySystems design
  • Mirela SanduSimulation engineering
  • Joris BeeckmanArt direction
  • Rasmus LindqvistAudio