CRUMB Circuit Simulator

CRUMB Circuit Simulator

Mike Bushell · November 18, 2022 · Simulation, Sandbox, Education, Programming, Realistic

Buy CRUMB Circuit Simulator from Steam at $8.99 — the cheapest of 1 store we compare.

PC
Mostly Positive79% · 79128playing now
Best price
$8.99
lowest tracked $4.49
Steam Buy at Steam

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Where to buy CRUMB Circuit Simulator — official stores

Steam
Steam
Standard Edition · Steam
$8.99
Buy

CRUMB Circuit Simulator price by region

CRUMB Circuit Simulator costs £7.49 in the United Kingdom, €8.79 in Europe (EUR), $8.99 in the United States, $8.99 in Georgia (USD), CA$11.79 in Canada, A$13.19 in Australia, NZ$13.25 in New Zealand, R$29.99 in Brazil and zł40.99 in Poland right now.

Cheapest CRUMB Circuit Simulator offer in each region, in local currency
RegionBest priceOfficial storeKey shopStores
United Kingdom £7.49 £7.49 — 1
Europe (EUR) €8.79 €8.79 — 1
United Statesyour region $8.99 $8.99 — 1
Georgia (USD) $8.99 $8.99 — 1
Canada CA$11.79 CA$11.79 — 1
Australia A$13.19 A$13.19 — 1
New Zealand NZ$13.25 NZ$13.25 — 1
Brazil R$29.99 R$29.99 — 1
Poland zł40.99 zł40.99 — 1

Each row is a real price from that region's own stores, not a currency conversion, so the figures are not directly comparable. Switch regions in the header to shop the one you buy in.

Screenshots

About CRUMB Circuit Simulator

Interactive and immersive learning


CRUMB offers an easy to use and interactive introduction to electronic circuitry. Fully realised in 3D, you can construct prototype circuits as you would at the workbench without the risk of terminal component failure or the hassle of ordering individual components. A broad selection of parts and features offers an insight into many different areas of modern electronics


Large catalogue of components


CRUMB has a varied selection of components, even at this early stage in its development. There are no limits to what circuits you can create. CRUMB includes several built-in examples which showcase some of the abilities of CRUMB. This list below highlights some of the included components

  • Passives such as Resistors, Capacitors and Inductors
  • Tactile, slide and DIP switches
  • Semiconductors such as Diodes, BJT Transistors, MOSFETs and Silicon Controlled Rectifiers
  • LEDS, Transducers, Seven Segment displays
  • LCD and TFT displays
  • DC Power and Signal Generators
  • Large selection of Integrated Circuits ranging from Basic to Complex Logic, Timers, Counters, Memory, EEPROM and Op Amps
  • Fully programmable Microcontroller

Advanced features


The latest update has expanded some of the special features included with CRUMB

Code Editor
The built-in Code Editor has been expanded to allow the viewing and editing of the Source Files that I have written for the programmable Microcontroller included in CRUMB
Hex Editor
This is an EEPROM available to use which can be programmed via circuitry (see built-in example) or values can be entered manually with the built-in hex editor
Scope Analysis
Up to 4 components can be added to the built-in scope, allowing you to view the intricacies of your circuit
Visualisation
CRUMB offers a set of different visualisations tools. You can view current and voltages in the wires, logic output at the pins of various components, highlight the pin labels and anodes of polarized components and switch off the scene lighting for dark mode

CRUMB Circuit Simulator — game info

Platforms
Windows
Steam Deck
Playable
Player modes
Single-player
PC Game Pass
Not included

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

Not recommended Sep 8, 2026
Unfortunately it only supports simulation for the Arduino Nana. Hopefully more boards can be made available in the future.
25 found this helpful
Not recommended Sep 12, 2026
This thing is worthless. You can do this for free in Wokwi, and you get more boards to play with. I dont even use Arduino, that is how outdated that crap is. The world has moved on to Pico and ESP32 and many many others. Arduino sucks and so does this sim.
15 found this helpful
Recommended Sep 4, 2026
It seems like a pretty capable program, and from what I've been seeing of the progress being made, it'll be quite a powerful piece of software for anyone curious about hobby electronics, or for anyone who wants to try prototyping their design in a virtual space before attempting a physical build. I look forward to future updates!\
4 found this helpful
Recommended Sep 11, 2026
Awesome learning and prototyping tool! keep developing it pls
2 found this helpful
Recommended Sep 13, 2026
A really great teaching and learning tool as well - also, the kids like it.
Recommended Sep 12, 2026
CRUMB Circuit Simulator offers a distinctive experience for anyone interested in electronics, circuit design, or simply discovering how electrical components interact. Rather than functioning like a conventional game with missions and progression systems, it provides a virtual electronics workbench where experimentation becomes the main attraction. Developed and published by Mike Bushell, the simulator presents components as recognizable 3D objects, allowing users to construct circuits in a way that resembles working with actual hardware. One of its greatest strengths is the freedom to experiment without worrying about damaging expensive components. Users can connect parts, rearrange their layouts, change values, and test different configurations while immediately seeing how the circuit responds. The three-dimensional workspace makes the process more tangible than traditional schematic-only software. Resistors, capacitors, switches, LEDs, transistors, integrated circuits, displays, and other components appear as physical objects, helping beginners understand the relationship between a circuit diagram and the equipment they might eventually encounter on a real workbench. The selec…

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