PCGame

CRUMB Circuit Simulator

A 3D electronics sandbox for building and testing virtual circuits

Mike Bushell · Released Nov 18, 2022

Simulation

Reviews
Mostly Positive
78% of 855
Recent reviews
Very Positive
88% of 18 in 30 days
Players
13
daily peak, Oct 28, 2026
Steam Deck
Playable
Last update on Steam
3 months ago
Jul 10, 2026
Minimum PC
Integrated
4 GB RAM · 1 GB disk
Full requirements

What is CRUMB Circuit Simulator?

This single-player simulator gives you a virtual workbench for connecting resistors, switches, displays, and logic chips into prototype circuits. You can explore built-in examples, program a microcontroller, and inspect current, voltage, and signals using visualization tools and a scope.

For you if...

  • +you want to try electronics projects without buying physical parts

Not for you if...

  • −you want guided lessons with specific tasks to complete

What players say

78% of 855 reviews are positive · 88% of 18 in the last 30 days

Players praise its usefulness for learning how circuits and components work. Common complaints concern the limited component selection and awkward controls, especially component placement and wire editing.

Screenshots and trailer

CRUMB Circuit Simulator screenshot 1

CRUMB Circuit Simulator system requirements

Minimum: Integrated, 4 GB RAM, 1 GB of disk space.

As published by the developer.

Can my PC run CRUMB Circuit Simulator?

Tell us your graphics card once and every game page will answer this for you.

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Minimum

OS
Windows 8
Processor
Intel Core i3
Graphics
Integrated
Memory
4 GB RAM
Storage
1 GB available space

Recommended

Requires a 64-bit processor and operating system

Does CRUMB Circuit Simulator have co-op or multiplayer?

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

Does CRUMB Circuit Simulator run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

  • Sometimes shows mouse, keyboard or non-Deck controller icons
  • Some text entry requires manually opening the on-screen keyboard
  • Some in-game text is small and may be hard to read
  • All functionality is accessible with the default controller configuration
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows
Steam features
Family Sharing
Languages
Text only: English.

Does CRUMB Circuit Simulator 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

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