Summer Adventure
Summer Adventure is a series of thirty-four quests in Kingdom Hearts Unchained χ / Union χ, in which The Player and friends spend their summer going on an adventure. In the English version, it was available from August 1 to 31, 2018.
It was available again from April 21 to 27, 2019, and from August 10 to 21, 2020. Unlike before, all quests were available from the start. However, Proud Mode and Critical Mode were not available.
From August 1 to 10, new quests were added every day.
From August 20 to 26, new quests were added each day.
Proud Mode Edit
On August 11, 2018, a Proud Mode version of the first ten days of the Summer Adventure was released. Like Proud Mode, these quests required a specific Keyblade, and had a condition for using Special Attacks. In these quests, all objectives needed to be completed at the same time.
On August 26, Proud Mode versions of the remaining quests were added.
Critical Mode Edit
On August 26, 2018, a Critical Mode version of the Summer Adventure was released. Like the Proud Mode versions, these quests required a specific Keyblade, and required all objectives to be completed at the same time.