Box2D VS Bullet

Compare Box2D vs Bullet and see what are their differences.


Box2D is a 2D physics engine for games (by erincatto)


Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc. (by bulletphysics)
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Box2D Bullet
21 25
5,800 9,554
- 1.5%
4.4 8.9
3 months ago 17 days ago
C++ C++
MIT License GNU General Public License v3.0 or later
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of Box2D. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-07-11.


Posts with mentions or reviews of Bullet. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-08-02.

What are some alternatives?

When comparing Box2D and Bullet you can also consider the following projects:


CHRONO - High-performance C++ library for multiphysics and multibody dynamics simulations

Newton Dynamics - Newton Dynamics is an integrated solution for real time simulation of physics environments.

Chipmunk - A fast and lightweight 2D game physics library.


mujoco - Multi-Joint dynamics with Contact. A general purpose physics simulator.

Simbody - High-performance C++ multibody dynamics/physics library for simulating articulated biomechanical and mechanical systems like vehicles, robots, and the human skeleton.

Godot - Godot Engine – Multi-platform 2D and 3D game engine

LiquidFun - 2D physics engine for games

raylib - A simple and easy-to-use library to enjoy videogames programming

reactphysics3d - Open source C++ physics engine library in 3D