Fewer than 5 people recommend it so far, so there's no written verdict. Here is what commenters said.

3recommend
1warn against
Jul 1, 2026first mention
Jul 1, 2026latest mention
Nov 25 – Oct 26
Used forreinforcement learning environmentsphysics in hobby projects2d game physics2d physics simulation from python

Why people recommend it

“Thanks to Erin for such a useful piece of software!”

“Box2D/3D would make physics synchronisation a lot easier.”

Show 1 more

“working with Box2D was pleasant”

Caveats and dissent

“So basically lack of support for non-rigid bodies and lack of easy customisability made it not age well for someone like me.”

game developer using in-house physics engineswitched from Box2Don “Announcing Box3D :: Box2D”

Who recommends it in their own words

All comments 4

“Thanks to Erin for such a useful piece of software!”

“Box2D/3D would make physics synchronisation a lot easier.”

“So basically lack of support for non-rigid bodies and lack of easy customisability made it not age well for someone like me.”

game developer using in-house physics engineswitched from Box2Don “Announcing Box3D :: Box2D”

“working with Box2D was pleasant”

Threads where it came up

Data: box2d.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.

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