I.O is a renowned Chinese STG player who has extensively collaborated with LYX on development of new strategies. He plays various arcade games, as well as Touhou.

I.O has been the first player to have exceeded 2 billion in Hard mode of Mountain of Faith, but his replay has never been submitted to Royalflare scoreboards.

Notable player records

Game Mode Character Score Date Notes
Mountain of Faith Hard Reimu-B 2,011,279,410 (WR) 2007/09/08

External links

I.O's blog.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.