Review: Osu! Tatakae! Ouendan! (DS) Reviewed by Harsky. Thanks to Harsky for providing us with a new DS game review. This is an import review of the Japanese rhythm game Osu! Tatakae! Ouendan! Be sure to check it out for a brief look at the game. Feel free to leave comments and discuss the game in this topic. Remember to keep posting those reviews! You'll earn yourself a mention on the portal and you will be helping the community with all their review needs.