Simply visit the official website. It runs on HTML5, meaning it works on Chrome, Firefox, Safari, and Edge without plugins.
Is Download Agar.io? Everything You Need to Know About Playing the Viral Hit is download agar.io
Whether you download it or play in-browser, the rules remain the same: Simply visit the official website
If you prefer the stability of an app over a browser tab, follow these steps: Open the Google Play Store. Search for "Agar.io." Look for the version published by Miniclip.com. Tap Install. For iOS (iPhone/iPad) Users: Open the App Store. Search for "Agar.io." Tap "Get" to download the Miniclip version. For PC/Mac Users: meaning it works on Chrome