Steam market intelligence
CRUMB Circuit Simulator
78% positive · 758 Steam reviews · released Nov 18, 2022 · by Mike Bushell
SimulationSandboxEducationProgrammingRealistic3DLogicImmersive Sim
What it likely sold — estimate, stated as a range on purpose
Lifetime units: ~28,766
(P10–P90: 11,506 – 63,285)
Gross revenue: ~$212,057
($84,820 – $466,524)
Estimate, method v1.0 — before Steam's ~30% share, refunds and VAT. The band means: we'd be surprised if the truth sat outside it. How we estimate
Player voice — measured shares of Steam thumbs, never a model
Performance & stability63% positive · 30 mentions
“I picked this up in hopes that I would be able to simulate a simple computer. I have since completed a 16 bit computer. I've learned a ton and I'll probably continue to come back to CRUMB to prototype new projects. During this project, I…”Recommended · Steam review · Feb 2025 · 164 h played
Controls & UI63% positive · 30 mentions
“It's a great game. I think this could become a great game, just that development is slow because apparently there's only 1 developer. Currently there are only a few ICs and sadly no microcontrollers except the arduino. I wish the developer…”Recommended · Steam review · Dec 2025 · 1 h played
Price & value56% positive · 18 mentions
“Great simulator and easy to use. Currently using it to build Ben Eater's 8-bit computer and it has been an exciting journey so far. The simulator isn't without it's problems. However - the developer has been great at keeping it updated and…”Recommended · Steam review · Feb 2025 · 11 h played
Difficulty & balance79% positive · 14 mentions
“There are numerous circuit simulators on the Internet, but none of them have the realistic 3D look of CRUMB. The real-time simulation of the circuit is exactly what you would see if you built your circuit on a real breadboard on your home…”Recommended · Steam review · Jan 2026 · 315 h played
Visuals & audio54% positive · 13 mentions
“I have spent around 300 hours so far in CRUMB and enjoy it very much. I love being able to build and test circuits without having to worry about buying new components and bread boards. The graphics are top notch, and the electronics…”Recommended · Steam review · Apr 2026 · 302 h played
299 recent English reviews stored · topics keyword-matched · topics under 12 mentions stay hidden · methodology
Game DNA — store facts, community tag votes, labeled AI inference
Technology
3D
Art style
Realistic
Structure
Sandbox
How you play together
Single-player
Business model
Buy to play
Sources: Valve store fields · community tag votes · AI-inferred values are marked and drawn from a fixed vocabulary.