Rules of Survival is Back on Steam Store

Rules of Survival on steam can be purchased again via steam, there was no mention of additional rewards except for the previous Butler Set and a Monthly Pass.
Purchase the Steam version and get a bonus Butler Set and a Monthly Pass (Grants daily bonus diamond rewards during the first month.)

here is the official statement
Hi Survivors,

Thank you for your patience and support on Rules of Survival! Now we gladly announce that ROS is back to the Steam store and you could purchase on the store page as usual.

Your concerns are also our top priorities! We will continuously perfect your gaming experience and improve the anti-cheat system with our best effort.

Thanks again and have fun in Rules of Survival!

ROS Dev Team

Here are the current player count since it went live again, it shows almost 5k players are currently playing within the 24 hours

and here is what the players base are saying