[HoppyHaus]

Factorio is one of those early access successes, it could launch as-is and be fantastic.

It has support for Windows, OSX and Linux.

[jamie_ca]

It's quickly approaching a 1.0 release, and from what I hear when that happens it's going to see a price bump as well.

[AdamGibbins]

By 10 USD on the 16th: https://www.factorio.com/blog/post/016-price-change