What you need to start building a Roblox game
Building a game in Roblox starts with downloading Roblox Studio, the free creation tool that runs on Windows and Mac. You create and test your game entirely in Studio before publishing it to the Roblox platform, where other players can find and play it. You do not need to pay anything upfront — Studio is free, and you can publish games without spending money, though you will need a Roblox account.
The actual building happens in three layers: the 3D world where players move around (made from basic shapes and models you arrange), the scripts that make things happen (written in Lua, a programming language), and the user interface like buttons and score displays that players see on their screen. Most beginner games start with one of these layers and add the others as you learn.
Key Takeaways
- Download Roblox Studio on your computer, create a free Roblox account, and start with a blank baseplate or a template game to see how pieces fit together.
- Build your 3D world by inserting parts (cubes, spheres, wedges) from the Toolbox, positioning them, and changing their color, size, and material to create platforms, walls, and obstacles.
- Write scripts in Lua to make parts move, detect when a player touches something, award points, or trigger other events — start by copying example scripts from the Roblox documentation and modifying them.
- Test your game constantly by clicking the Play button in Studio so you can walk around, find bugs, and see what feels fun before publishing.
- Publish your finished game through File > Publish to Roblox, which makes it visible to other players and gives you a game page where you can add a description and thumbnail image.
Getting Roblox Studio installed and ready
Go to create.roblox.com and click the "Start Creating" button. This takes you to a page where you can download Roblox Studio for Windows or Mac. The download is about 1 gigabyte, so it may take several minutes depending on your internet speed. Once installed, open Studio and sign in with your Roblox account — if you do not have one yet, you can create it for free on roblox.com.
When you first open Studio, you will see a list of templates. A template is a pre-built starting point — for example, "Baseplate" gives you a flat gray platform to build on, while "Obby" (obstacle course) gives you a game with platforms, checkpoints, and a finish line already in place. Start with Baseplate if you want to build from scratch, or pick a template that matches the type of game you want to make so you can see how the pieces work together.
Building your 3D world with parts and models
Once your template loads, you are looking at the Studio workspace. On the left side is the Explorer panel, which shows every object in your game as a list. In the center is the 3D view where you see and edit your world. On the right is the Properties panel, where you change how things look and behave.
To add a part to your world, click the Insert menu at the top, then hover over Basic Parts, and click the shape you want — Cube, Sphere, Wedge, or Cylinder. A new part appears in the center of your view. You can move it by clicking and dragging (or using the Move tool in the toolbar), resize it by dragging its corners, and rotate it by using the Rotate tool. In the Properties panel on the right, you can change its Color, Material (like Brick, Wood, or Neon), and other details.
Build your game world by placing many parts next to each other. If you are making a platformer game, create a series of platforms the player jumps between. If you are making a house, build walls, floors, and a roof. The Roblox Toolbox (a panel on the left side) also contains pre-made models — trees, furniture, weapons, and more — that you can drag into your game instead of building from scratch.
Writing scripts to make your game work
Parts alone are just scenery. To make your game actually do something, you write scripts in Lua, a programming language. A script is a set of instructions that tells Roblox what to do when certain things happen — for example, "when a player touches this part, give them a point" or "make this door open when a player clicks a button."
To add a script, right-click a part in the Explorer panel, click Insert Object, and select Script. A code editor opens with a blank script. The Roblox documentation at create.roblox.com/docs has example scripts you can copy and paste. For instance, to make a part disappear when touched, you would paste a script that says: when a player's body touches this part, remove the part from the game. You modify the example to fit your game — change the part name, the action that happens, or the message the player sees.
You do not need to memorize Lua syntax. Start by copying working examples, run your game, and watch what happens. If something breaks, read the error message in the Output panel (View > Output) — it tells you what line of code went wrong and why. Change one thing at a time, test again, and keep the changes that work.
Testing your game before you publish
Click the green Play button in the toolbar to test your game. Studio switches to play mode, and you can walk around your world using WASD keys and the mouse, just like a player would. Try jumping on platforms, touching parts, clicking buttons, and triggering the events you scripted. If something does not work the way you expected, click Stop, go back to edit mode, and fix it.
Test often — after you add each new part or script, play the game and see how it feels. Does the jump feel too hard? Are platforms too far apart? Is the game too easy or too boring? Testing is how you catch these problems before other players see them. You can also invite friends to test your game by publishing it as a private game first (during publishing, you choose who can play it), getting their feedback, and making changes before you open it to everyone.
Publishing your game so others can play it
When your game is ready, click File in the top menu, then Publish to Roblox. A dialog box appears asking for a game name, description, and whether the game should be public (anyone can find and play it) or private (only people you invite can play it). Choose a clear name that describes what your game is — "Zombie Obby" or "Pizza Tycoon" tells players what to expect.
After you publish, your game gets its own page on Roblox where players can see your description, screenshots, and reviews. You can update your game anytime by making changes in Studio and clicking Publish again — players will see the new version the next time they play. You can also add a custom thumbnail image (a small picture that shows up in search results) by uploading an image file through your game's settings page.
Common beginner mistakes and how to avoid them
One of the most common mistakes is making your game too complicated at first. Start with a simple idea — a single room to explore, three platforms to jump between, or one button that does one thing. Once that works and feels fun, add more. A small game that is polished and fun beats a huge game that is broken and confusing.
Another mistake is not testing enough. Many new builders finish their game, publish it, and then discover that players cannot jump high enough or that a script crashes the game. Test constantly while you build, and ask friends to play before you publish. The earlier you find a problem, the easier it is to fix.
A third mistake is copying scripts without understanding them. If you paste a script and it does not work, do not just paste a different one and hope. Read the error message, look at the Roblox documentation, and figure out what went wrong. This teaches you how Lua works, so the next script you write will be easier.
Frequently Asked Questions
Do I need to know how to code before I start?
No. You can build simple games with just parts and no scripts at all — a platformer where you jump from one platform to another, or a house to explore. When you are ready to add scripts, start by copying examples from the Roblox documentation and changing small pieces. You learn by doing, not by memorizing.
Can I make money from my Roblox game?
Yes, but not immediately. Once your game has players and you have been a Roblox member for a certain amount of time, you can earn Robux (Roblox's currency) through in-game purchases — for example, selling cosmetic items or game passes that unlock features. You convert Robux to real money through the Developer Exchange program, though Roblox takes a percentage.
What if my game crashes or has bugs?
Check the Output panel (View > Output) for error messages that tell you which script broke and why. Fix the script, test again, and publish an update. Your game stays live while you fix it, so players might see the bug, but you can patch it quickly. This is normal — even big games get updates to fix problems.
How long does it take to build a game?
A simple game — a few platforms and a finish line — can take a few hours. A medium game with multiple levels, scripts, and polish might take weeks of work in your spare time. There is no deadline. Build at your own pace, and publish when you feel it is ready.
Can I use models and scripts other people made?
Yes. The Toolbox has thousands of free models, scripts, and plugins made by the community. You can use them in your game, and many creators include instructions on how to modify them. Always check the model's description to see if there are any restrictions on how you can use it.