Play the best online just one boss game for free! Enjoy new just one boss Games now!

Latest Version

Version
1.0.4
Update
November 20, 2024
Size
22.19KiB
Developer
justoneboss.com
Category
Users
31
Rating
1 ★
Manifest Version
3
Web Store Status
Languages Support
English
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Permissions
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Just one Boss Extension

Just One Boss is a super fun game where you face off against a single, powerful boss! The controls are simple, but the game is tricky, so you'll need quick reflexes and a good strategy. Best of all, playing on your phone or computer is free! Do you think you can beat the Boss?
Game Basics
In Just One Boss, you're up against one demanding Boss. They have different attack patterns, and the game gets harder as you play. It's easy to learn but challenging to beat. If you love classic games that test your skills, you'll enjoy this one.
Cool Things About Just One Boss
One Big Boss: Face a single boss that gets harder as you go.
Simple Controls: Easy to play but challenging enough to keep you hooked.
Play Anywhere: Works on both mobile phones and computers.
Fun and Challenging: Great for practicing your reflexes and planning your moves.
How to Play
Starting Just One Boss is easy:
Move Your Character: Move around the screen to dodge the Boss's attacks.
Watch the Boss's Moves: The Boss has patterns you can learn to avoid.
Survive to Win: Dodge attacks and keep going through each phase of the boss battle.
Tips for Winning
Learn the Patterns: Watch the Boss's moves and remember them to dodge better.
Stay Calm: Don't get nervous—focus on dodging carefully.
Practice Makes Perfect: Every time you play, you get better!
Where You Can Play
Just One Boss is available on different devices:
Mobile: Play on your iOS or Android phone right in your browser.
Desktop: Works on your PC or Mac so that you can play at home, too.
Game Requirements
You don't need a fancy computer for this game. Make sure your browser is up-to-date—use Chrome, Firefox, Safari, or Edge for the best experience.
Game Controls
On Desktop: Use the arrow keys to move.
On Mobile: Tap or swipe to move your character.
FAQs
Q: Can you beat Just One Boss?
A: Yes, you can! It's tricky, but with practice, you can beat the Boss.
Q: Where can I play the game?
A: Go to our website to play on any device.
Q: How long does it take to finish?
A: If you know the boss patterns, it can take 10-20 minutes. For new players, it might take longer.
Q: Are there levels?
A: There are different stages, each with more complex attack patterns.
Why Play Just One Boss?
If you enjoy fun, arcade-style games with a single, exciting boss battle, this game is for you. It's challenging and free to play!

*Note : We have added \"best clicker games/, random games\" button, making it easy for players to quickly access the games on our website!
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx","manifest_version": 3,"name": "Just one Boss","version": "1.0.4","description": "Play the best online just one boss game for free! Enjoy new just one boss Games now!","icons": { "16": "icons/icon-16.png", "32": "icons/icon-32.png", "48": "icons/icon-48.png", "128": "icons/icon-128.png"},"action": { "default_popup": "index.html", "default_icon": "icons/icon-128.png"},"content_security_policy": { "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'; worker-src 'self'"},"background": { "service_worker": "background.js"}}
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How to download and manually install Just one Boss extension for Chrome

Looking for a way to install Just one Boss extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install Just one Boss extensions manually, this article outlines two simple methods to effortlessly install Just one Boss extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download Just one Boss extension and manually install through Drag &Drop

If you ever need to manually install a Just one Boss extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the Just one Boss Extension by clicking the "Download CRX" button on the website.

Look for the Just one Boss extension you wish to install. Go to the website and download the Just one Boss extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for Just one Boss extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the Just one Boss extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download Just one Boss extension for Chrome and install in Developer Mode

This is another method to install Just one Boss extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the Just one Boss extension file

Select and download the Just one Boss extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the Just one Boss extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your Just one Boss extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the Just one Boss extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install Just one Boss extension in 2 ways. We hope this guide proves helpful.

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