Last Updated: September 2026 | A free sandbox for building real logic circuits, and the badge that shows people lose track of time in it.
Circuit Maker 2 is a free Roblox game for building digital circuits. You drop down logic gate blocks, wire them together, and flip a switch to see what your circuit does. There is no score and nothing to win. The whole point is to make something that works.
This page lists the blocks you build with and explains what the main gates do. It covers the four badges, the two game passes, and how to start if you have never touched logic gates before. It also explains why a sandbox like this has no codes and no scripts.
Circuit Maker 2 Overview
| Made by |
The group Circuit Maker Community |
| Released |
April 2021 |
| Visits |
Over 5.5 million |
| Favorites |
About 21,000 |
| Rating |
73 percent from about 6,800 votes |
| Server size |
Up to 10 players |
| What you do |
Build working logic circuits from gate blocks and wire them together |
| Genre |
Simulation sandbox, listed by Roblox under Learning and Explore |
| Badges |
Four, mostly for time spent and blocks used |
| Cost |
Free. Two game passes at 100 and 120 Robux |
The Blocks You Build With
There are 18 block types. Six of them are the basic logic gates, and the rest are tools to make circuits do more.
| Block |
What it does |
| AND, OR, XOR |
The core gates. Output turns on based on which inputs are on |
| NAND, NOR, XNOR |
The same three gates with the output flipped |
| Button |
A switch you press to send a signal into the circuit |
| LED |
A light that turns on when its input is on. Used to show output |
| T Flip-Flop |
Remembers a state. Flips on and off with each pulse |
| Delay |
Holds a signal for a set time before passing it on |
| Sound, Text, Antenna |
Extra blocks for noise, labels, and wireless links |
The six gates are AND, OR, XOR and their flipped versions NAND, NOR and XNOR. An AND gate turns on only when all its inputs are on. An OR gate turns on when any input is on.
XOR turns on when exactly one input is on. Stack these together and you can build an adder, a memory cell, or a working clock.
You connect blocks with the Connection tool. Right-click a block on a computer, or long-tap it on a phone, to read what it does.
The Four Badges
The badges are not milestones. They mark how you use the game.
| Badge |
Players who have it |
How you get it |
| Take a break |
53,579 |
Play for over an hour without stopping |
| The saver |
11,560 |
Create five or more saved circuits |
| Diversification |
8,210 |
Place at least one of every block type |
| Nu wey |
6,409 |
A hidden badge with no listed steps |
Take a break is the interesting one. Over 53,000 players have it, and it means they built for an hour without stopping. For a game with no goals, that is the sign the building itself is the draw.
Against more than 5.5 million visits, that hour-long group is about 1 in 100. Diversification, for placing every block type, sits much lower at 8,210.
The Game Passes and VIP Servers
There are only two passes. More save slots at 120 Robux lets you keep more circuits saved. Custom Cursor at 100 Robux is a cosmetic change to your mouse pointer.
Neither one helps you build better. They are convenience and looks, nothing else.
The bigger thing is the free VIP server. You can make one at no cost. It stops other players from touching your build and gives you admin commands to move and clear blocks fast.
For a serious build, a free VIP server is the setup most players use.
How to Play Circuit Maker 2
- Join the game and start the built-in tutorial. It teaches the tools in order.
- Place a Button and an LED. Connect the Button to the LED with the Connection tool.
- Press the Button. The LED lights up. That is your first circuit.
- Add an AND gate between two Buttons and one LED. The LED only lights when both are pressed.
- Swap the AND for an OR, then an XOR, and watch how the light changes.
- Once it clicks, make a free VIP server and start a bigger build with room to work.
Circuit Maker 2 Gameplay
The game is a flat grid you build on. You pick a block, place it, and wire it to other blocks. That loop is the entire game.
Signals travel along the wires in real time. When you flip a Button, you watch the change move through the gates and reach the LEDs.
Small circuits are quick. A light switch takes two blocks. From there people build calculators, memory banks, and screens that show numbers.
You save your circuits and load them later. The More save slots pass raises how many you can keep at once.
Servers hold up to 10 players, so a public server can get crowded and messy. Most people who build anything large move to a free VIP server.
Tips for New Circuit Maker 2 Players
- Do the in-game tutorial first. It is short and it teaches the tools you will use all the time.
- Start with a Button and an LED. Get one light working before you touch the gates.
- Learn AND, OR and XOR by testing them with two Buttons. Seeing them beats reading about them.
- Label your circuits with the Text block so you know what each part does later.
- Make a free VIP server before a big build. Public servers get wrecked by other players.
- Copy a small build you like and take it apart. That is the fastest way to learn a trick.
What Is Free in Circuit Maker 2
Every block and tool
All 18 blocks and the full tool set are free. Nothing about building is locked behind a pass.
A VIP server
You can make one at no cost. It protects your build and hands you admin commands.
The tutorials
The in-game lessons go from a single light switch to full projects, and they cost nothing.
Saving and sharing
You get save slots for free. Players trade circuit saves so you can load someone else’s work.
Circuit Maker 2 FAQ
Is Circuit Maker 2 free?
Yes. Every block and tool is free. The only paid items are a save-slot pass and a cursor skin, at 120 and 100 Robux.
Do I need to know logic gates already?
No. The in-game tutorial starts from nothing and teaches AND, OR and XOR by letting you press buttons and watch.
What can you actually build?
People build adders, calculators, memory cells, clocks, and screens that display numbers. The limit is patience.
What is the point if there is no score?
There is no score. The reward is making a circuit that works. The Take a break badge shows plenty of players get hooked.
Does Circuit Maker 2 have codes?
No. There is no currency and no code box. Any code list you find for it is made up. Our codes page has the detail.
Are there scripts for Circuit Maker 2?
No working ones, and no need. Admin commands are free in a VIP server. Our script page explains it.
About Circuit Maker 2
Circuit Maker 2 is a free Roblox sandbox for building digital logic circuits. You place gate blocks, wire them with a Connection tool, and flip switches to test them. It came out in April 2021.
It has passed 5.5 million visits and holds about 21,000 favorites, with a 73 percent rating from around 6,800 votes. Roblox lists it under Learning and Explore. The Circuit Maker Community group is not a Roblox-verified group.
The game has two game passes, free VIP servers with admin commands, no working codes, and no working scripts.
More on This Game
Our Circuit Maker 2 codes page covers why a sandbox with no currency has none.
Our Circuit Maker 2 script page covers why there is nothing to run when admin is already free.