This project is a browser-based recreation of Agar.io, designed to explore real-time interaction, game mechanics, and front-end performance. Built using JavaScript and HTML canvas, the game simulates player movement, object consumption, and scaling behavior within a dynamic environment.

Game Development • Front-End Engineering • Interactive SystemsSolo Project

Agar.io Clone

View Prototype

Role

Designer & Developer

Team

Solo

Duration

2 Weeks

Tools

HTML • CSS • JavaScript

Type

Interactive Web Game

Platform

Web (Desktop)

Goals

Recreate core Agar.io mechanics
Implement real-time rendering
Practice game loop and animation logic
Build scalable interaction systems
Improve performance handling in the browser

Research Methods

Analyzed how Agar.io handles movement, scaling, and object interaction.
Defined core mechanics such as player movement, food spawning, growth system, and collision detection
Adjusted movement sensitivity, scaling speed, and object density for better gameplay feel.

Problem

I wanted to challenge myself to build a more complex interactive system that required real-time updates, continuous rendering, and user input handling. Unlike static web experiences, this project required managing multiple moving elements and simulating game-like behavior in the browser.

Opportunity

The goal was to recreate the core mechanics of Agar.io in a simplified, single-player format. Players control a cell that grows by consuming smaller objects while navigating around the game space.

Target Audience

Casual gamers
Users familiar with browser games
Developers interested in game logic
Desktop users

Competitive Analysis

Games like Agar.io and similar .io-style games focus on simple mechanics, fast-paced gameplay, and competitive elements to keep users engaged. Agar.io is highly intuitive and easy to pick up, but its simplicity can lead to repetitive gameplay over time. Other .io games introduce variations in visuals or mechanics, but often prioritize competition over user experience and design clarity.These examples highlight how simplicity and real-time interaction drive engagement, but also reveal opportunities to improve visual design, user onboarding, and overall experience. This project builds on those strengths while focusing on creating a smoother, more visually engaging, and user-friendly version of the gameplay.

Deliverables

Fully functional browser-based game

Real-time game loop system

Collision detection logic

Dynamic object spawning system

Front-end codebase (HTML, CSS, JavaScript)

Player Movement & Control System