Turn-Based Challenge!

Event - Turn-Based Challenge! banner KHUX.png
Event - Turn-Based Challenge! JP banner KHUX.png

Turn-Based Challenge! is a series of ten quests in Kingdom Hearts Unchained χ / Union χ, in which players need to defeat enemies within a certain amount of turns. Players can obtain Event Coins to unlock the Cherub, P Booster, S Booster, M Booster, and Re: Halloween Medals Boards. In the English version, it was available from October 8 to 14, 2018.