Why do some popular online games end with '.io'?

The trend started with Agar.io the game became so popular that other games based on the same mechanics, due to marketing reasons, chose to get a domain also ended in .io. Why did that developer chose an io domain? . read more

Because agar.io started it, and then the copycats follow. Plus .io domains are pretty cheap and easy to get. read more

You can create cool domain hacks with .IO, like scenar.IO or pistach.IO. Working with a .IO also became easier than ever this year, which contributed to the spike in adoption rate. The .IO registry, nic.io, switched its back-end to allow faster domain transfers and modifications. read more

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