Each Cube sells for about 2000 won (or $1.50 under current conversion rates).

From September 2010, however, Nexon began fiddling with the odds of certain Cubes appearing.

In the same period, Nexon raked in billions from sales of Cubes.

A screenshot from free-to-play MMO MapleStory showing a group of players battling a huge horned boss monster

The first violation saw Nexon paying out 939 million won for misleading Sudden Attack players about certain lottery items.