# Ball Pit

14 Hacker News commenters recommended Ball Pit and 2 criticized it, November 2025 to November 2026. It was recommended in 2 of 13 months.

**Verdict:** Free browser ball pit with smooth physics that runs well on many devices. Critics note slow rendering, grainy shadows and possible freezes on some computers.

## Why people recommend it

- Runs smoothly across browsers and devices (7 comments): "This does work good with Linux and Firefox on older PCs too." ([source](https://news.ycombinator.com/item?id=47527017)) "Runs smoothly and without crashes on my Pixel phone" ([source](https://news.ycombinator.com/item?id=47524297)) "Works great on my M3 MacBook Air under Safari." ([source](https://news.ycombinator.com/item?id=47525230))
- Smooth on Firefox and Linux (2 comments): "This does work good with Linux and Firefox on older PCs too." ([source](https://news.ycombinator.com/item?id=47527017)) "It runs surprisingly smooth on Firefox/Linux" ([source](https://news.ycombinator.com/item?id=47524581))
- Runs well on Apple Silicon Macs (3 comments): "Works great on my M3 MacBook Air under Safari." ([source](https://news.ycombinator.com/item?id=47525230)) "it runs so smoothly on my M4 Pro" ([source](https://news.ycombinator.com/item?id=47523994)) "Runs great on MacBook Air M1!" ([source](https://news.ycombinator.com/item?id=47525219))
- Impressive and fun to watch (2 comments): "It's cool but shockingly slow for an SSGI implementation, especially without any denoising." ([source](https://news.ycombinator.com/item?id=47525289)) "was impressed on how well it worked" ([source](https://news.ycombinator.com/item?id=47523949))

## What people warn about

- Slow without denoising (1 comments): "It's cool but shockingly slow for an SSGI implementation, especially without any denoising." ([source](https://news.ycombinator.com/item?id=47525289))
- Grainy ball shadows (1 comments): "Some ball shadows look kind of grainy but moving my finger around moves the balls around." ([source](https://news.ycombinator.com/item?id=47524775))
- Can freeze some computers (2 comments): "this might totally freeze your computer like it did for me" ([source](https://news.ycombinator.com/item?id=47522042)) "have same issue on Firefox/Linux" ([source](https://news.ycombinator.com/item?id=47522889))

## Alternatives hackers recommend

- [CSSQuake](https://hackerapproved.com/p/cssquake.md): 30 recommend

## Cite as

Hacker Approved, "Ball Pit", https://hackerapproved.com/p/ball-pit/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).