
Virtual Circuit Board is the sandbox drawing-based logic simulator where you can build, program, decorate, and simulate anything from simple monochrome circuits to complex and colorful computers. Play with digital logic in this sandbox-only experience.
Modeled estimate, not a reported figure. How we estimate →
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About
Virtual Circuit Board, or VCB, is a sandbox-only drawing-based logic simulator featuring an assembler and a powerful simulation engine. All of it designed to give you the freedom to build and experiment with logic circuits to your heart’s content.

In VCB you will set your own goals of what and how you want to build, it does not come with tutorials, levels, or challenges, and it will not teach you digital logic or assembly. VCB's development philosophy is aimed toward delivering a fresh sandbox experience for players who already have some basic knowledge about logic gates and circuits.

High-performance tick-based simulation, where signals propagate between components one tick at a time. Simulate with a frequency of up to millions of updates per second.
Assembly editor in which you can define your own instructions, allowing you to create a program that will be assembled into a Virtual Memory accessible by your circuits.
Working in VCB is separated in two modes, while editing you can use the drawing tools to modify your circuit and the assembly editor to write programs, and during simulation you can see your circuit running, interact with it, and watch the assembly instructions being executed.
Build circuits by drawing color-coded entities like logic gates and traces, and use the specialized tools such as the Array to optimize your workflow by drawing multiple traces simultaneously. Both the electronic components and the traces support multiple input and output connections.
Customize the appearance of circuits by drawing in the decoration layers that override the component's default colors. This allows you to create things such as buttons and labels that change appearance depending on the component's state.
Genres
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English
Engagement
Hours played at review time, across 40 reviews with recorded playtime.
Reviews
Themes across 40 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
positive critical· bar length = how often the theme comes up
Reviews
good
전자공학 전공하신 분이면 디지털 공학 공부하는 용이거나 시간 때우기 용으로 할만함
สนุกมากครับ ส่งเสรืมความคิดสร้างสรรค์เชิง computer architecture ดีมาก
cool
when does Mnemonimov launch?
아주 단순한 각종 논리게이트와 버퍼로 인류 문명의 기반이 되는 기술를 만들어나갈 수 있습니다. 근데 트렌지스터가 아니라 논리게이트부터 시작한다니 이 얼마나 관대한 게임인지
nice
As someone who has created circuits and schematics in a educational and professional setting i find the logic behing this game to be wonky asf. its nothing like actual designing (which is much easier) and it makes the simpelest of circuits unneccicaraly complicated. i find it funny that in the games inital blueprint, the counter, we can see what should be a 4 bit counter that feeds a bcd converter circuit that goes to a 7 seg but because of the tick/ processing speeds of the items in the game it causes a glitch where between 3 (0011) and 4 (0100) the first two bits flicker. Very simple circuits dont work . its a impressive game and it would be so much better if it were more realistic / wasnt unneccicaraly hard
94 hours and a lot of crying later, i managed to make a 16bit cpu with this game! very very good game, there are a few "bad" things, like the way sequential circuits behave(although that's the case for pretty much every logic simulator really) and the kind of convoluted way that VMEM address bits work(and not being to use the first address of VMEM), but overall those are all very small things and nuisances at best that you can pretty easily work your way around, as the game page itself says, this is a simulator engine and nothing more, the only few tutorials in the game are purely for explaining how the game systems work(like what inks are, write and read inks, VMEM, assembly, etc), but it doesn't bother with actually trying to teach you how to actually make logical circuits, you're going to have to search for other resources for that, if anything, you COULD use the engine as a simulator for actually doing things while studying digital logic, i myself did this(less than a week ago i had no idea of what a full adder even was, and by the end of today i have finished a 16 bit cpu), so yeah, if you're curious about digital logic and want a simulator to actually get stuff done, this is a very good alternative, also, if you do buy or are thinking into buying this game, do make sure to enter on their discord server, there are a LOT of blueprints there for stuff like full adders, memory cells, decoders, segment displays and other cool stuff, alongside with a bunch of people willing to answer your questions and a lot of useful info on the game!
Good Game
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Trends
Modeled estimate over time, reconstructed from Steam's monthly review histogram.
Momentum
Pace estimated from the game's recent review growth (our daily snapshots) at its own sales-per-review ratio — a momentum signal, not booked sales.
Audience
Estimated from the language of this game's reviews — a proxy for where players are, not official Steam demographics.
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