Math Rok is an mental math game for IOS, coded by Duong Tuan. Whole game is your adventure against the monsters through maps by mentally calculating as quick as possible. Each monster owns its specific elements and you have to consider appropriate counter-elements for victory.
In current version, there are 188 Quests, 400 monsters, 700 items, over 40 mini bosses and 50 MVPs.
Math Rok is totally free with supports from game center and replay.