X-Machine Online was a free-to-play sidescrolling fighting game developed by Hong Kong developer CenturySoft for Microsoft Windows. It was published in the Philippines by Run Up from 2010 until 2011.


Players were able to start downloading the X-Machine Online client on April 1, 2010. Its first closed beta test began on April 7, 2010. Its second CBT stage ran from April 15 until May 12 at 10 AM. The open beta started on May 14, 2010, at 10 AM. The game's item mall finally opened on May 20, 2010.

Run Up closed its servers on June 10, 2011, at 11 AM.