The simplest way: use two browsers at once

You can play two Roblox accounts simultaneously on the same PC by opening Roblox in two different web browsers at the same time. Log into one account in Chrome, for example, and a second account in Firefox or Edge. Each browser keeps its own login session separate, so both games run side by side without interfering with each other.

This method works because Roblox treats each browser as a different process. When you launch a game in Chrome under Account A and then switch to Firefox and launch a game under Account B, your PC runs both games at once. You can arrange the windows next to each other on your screen so you can see and play both simultaneously.

The main limitation is that your PC needs enough power to handle two Roblox games running at the same time. Each game uses RAM, GPU memory, and CPU resources. If your PC struggles with a single Roblox game, running two will likely cause lag, stuttering, or crashes in both windows.

Key Takeaways

  • Open Roblox in two different browsers (Chrome and Firefox, for example) and log into separate accounts in each one to run two games at once.
  • Arrange your browser windows side by side using Windows Snap or by manually resizing them so you can see both games on one screen.
  • Your PC must have enough RAM and GPU memory to handle two games running simultaneously; most modern PCs with 8GB RAM or more can manage this.
  • If you use the Roblox app instead of a browser, you can only run one instance at a time unless you use a second user account on Windows.
  • Roblox's terms of service do not forbid playing multiple accounts, but using automation or bots to control both accounts at once is against the rules.

Setting up two browser windows side by side

After you have both browsers open with your two accounts logged in, arrange them so you can see both games at once. On Windows 10 or 11, use Snap information: drag one browser window to the left edge of your screen until it snaps to fill the left half, then drag the other browser to the right edge to fill the right half. This splits your screen evenly between both games.

If Snap information does not work or you prefer manual control, right-click the title bar of each browser window and select "Restore" or "Resize" to make each window smaller. Then drag them to opposite sides of your screen and resize them until they fit side by side. You can adjust the dividing line between them by dragging the edge of one window.

For a three-monitor or ultrawide setup, you have more flexibility. You can stretch one game across a larger area or position both games on separate monitors entirely. The key is making sure you can see and interact with both windows without constantly switching between them.

Checking your PC's performance before you start

Before launching two games, check whether your PC has enough resources. Open Task Manager (press Ctrl + Shift + Esc) and look at the Performance tab. Note your available RAM and GPU memory. Roblox typically uses 500 MB to 1.5 GB of RAM per game, depending on the game world size and graphics settings.

If you have 8 GB of RAM or more and a dedicated graphics card (NVIDIA or AMD), you should be able to run two Roblox games without major problems. If you have 4 GB of RAM or less, or only integrated graphics, expect lag or crashes when running both games at once. In that case, you may need to lower graphics settings in both games or close other applications to free up memory.

You can also check your GPU memory by opening the Performance tab in Task Manager and clicking the GPU section. Look for "Dedicated GPU Memory" or "Shared GPU Memory." If you see very little available, close background applications like Discord, Chrome tabs, or streaming software before starting the second game.

Using the Roblox app with a second Windows user account

If you prefer to use the official Roblox app instead of a browser, you cannot run two instances of the app on the same Windows user account. However, you can create a second user account on your PC and log into the Roblox app as a different user there. This lets you run the app twice simultaneously, one under each Windows account.

To set this up, go to Settings > Accounts > Other people (or Family & other people on Windows 11) and click "Add another person." You can create a local account or link a Microsoft account. Once the second account exists, switch to it using the user switcher in the Start menu, then install and open the Roblox app and log in with your second Roblox account.

Switch back to your main account to play on your first account. Both games will run simultaneously. The downside is that you have to switch between Windows user accounts to interact with each game, which is slower than using two browser windows side by side. This method works best if you want to run two games passively or if you only need to check on one account occasionally.

Lowering graphics settings to reduce lag

If both games are running but you see stuttering, lag, or frame drops, lower the graphics settings in one or both games. In most Roblox games, open the Settings menu (usually a gear icon) and look for Graphics or Video settings. Lower the graphics level from High to Medium or Low, reduce the render distance, or turn off shadows and reflections.

Lowering graphics in just one game often makes a noticeable difference. If you are playing a competitive game on one account and a casual game on the other, lower the graphics on the casual game so your main account runs smoothly. You can always raise the settings back up if you close the second game.

You can also close other applications running in the background. Discord, Chrome tabs, Spotify, and streaming software all consume RAM and GPU resources. Close anything you do not need while playing two games at once.

What not to do: automation and bots

While Roblox does not forbid playing multiple accounts, it strictly prohibits using bots, scripts, or automation tools to control both accounts at once. If you use a macro program, AutoHotkey script, or third-party bot to automate actions on either account, Roblox will detect it and ban both accounts.

Playing two accounts manually — meaning you control each one with your own input — is allowed. But if you set up a script to farm currency, grind levels, or perform actions on both accounts without your active input, you are violating the terms of service. Stick to playing both games yourself, and you will not run into trouble.

Frequently Asked Questions

Can I play two Roblox games on the same account at the same time?

No. One Roblox account can only be logged in and playing one game at a time. To play two games simultaneously, you need two separate accounts. If you try to log the same account into two browsers, the second login will kick you out of the first.

Will running two Roblox games at once get my account banned?

No, playing multiple accounts is not against the rules. However, using bots or scripts to automate either account is. As long as you are controlling both games yourself with your own mouse and keyboard input, you are fine.

What if my PC crashes when I try to run two games?

Your PC likely does not have enough RAM or GPU memory. Close the second game, close other applications, and lower the graphics settings in the first game. If crashes continue with just one game, your PC may need a RAM upgrade or a graphics card replacement.

Can I use two monitors to play two Roblox games?

Yes. Open each browser on a separate monitor and log into a different account in each one. This is often smoother than running both games on one screen because each monitor can display its own game without competing for screen space.

Does using two browsers use more internet bandwidth?

Yes, slightly. Two games running at once will use roughly double the bandwidth of one game. If you have a slow internet connection (below 10 Mbps), you may see lag in both games. Most home internet connections can handle two Roblox games without problems.