Oimo.io
A cabinet of small physics experiments — cloth, water, ragdolls, particles — built by one developer who simply kept going.
Opens in a new tab. We do not control this site and it may have changed since we catalogued it.
How to get the most from it
Oimo.io sits in Sandboxes & Simulators under Play, filed as instant.
- Just open it. It pays off within seconds, with nothing to read first.
- Use a laptop or desktop computer — we file it as desktop only.
- It works with the sound off, so it is fine on a train or in a quiet office.
- No account needed — you can start without signing up.
- Go in expecting something mesmerising and clever.
About this category: Physics toys, ecosystems and falling-sand games with no win condition. Set the initial state, then find out what the rules do with it.
Good for
- A five-second distraction
- Watching something hypnotic for a while
- Being impressed by a clever idea
- A quiet break at your desk
- Trying it with zero commitment
Oimo.io: quick answers
Is Oimo.io free?
Yes. Oimo.io is free to use and needs no account.
Do I need an account to use Oimo.io?
No. You can use Oimo.io without signing up for anything.
Does Oimo.io work on a phone?
Not well. We file Oimo.io as desktop only, so open it on a laptop or desktop computer.
Is Oimo.io safe for work?
Yes, we file it as safe for work. It also works muted.
How long does Oimo.io take?
We file it as "Instant": Good within five seconds of loading.
More in Sandboxes & Simulators
All 13 in Sandboxes & SimulatorsA sealed glass sphere of water, sand and brine shrimp that you seed and then leave running, ecosystem permitting.
The sequel, with proper solid objects and adjustable gravity, and a public save gallery going back well over a decade.
- <1 min
- Desktop
A falling-sand game with several hundred materials that all react properly, including a dozen ways to end the world by mistake.
- <1 min
- Desktop
A playable account of why cooperation appears and then collapses, using game theory and roughly ten minutes of attention.
- 10 min
- Desktop
Same mood: mesmerising
All mesmerising sitesEldritch horror podcast set in an alternate Appalachia where the mountains are older than people and considerably less friendly.
- 10 min
- Sound on
Screenshots of archived GeoCities pages posted automatically, one after another, as a rolling portrait of the amateur web.
- 10 min
Scroll to unroll an infinite toilet roll and scroll back to wind it up, presented by the artist with a completely straight face.
- <1 min
Every letter on the keyboard fires a sound and a matching shape, and mashing the whole row is the correct way to use it.
- <1 min
- Sound on
- Desktop
Keep exploring
Category
Time and mood
Have a site of your own? Suggest it for Detour or browse the AltFTool backlinks hub.