HAL Laboratory’s Shinya Kumazaki opened up about the making of Kirby Star Allies in a recently-released art book for the game. Kumazaki discussed when development began (planning was actually before the launch of Planet Robobot), the previous absence of Kirby side-scrollers on consoles, and more.
NE: "Kirby's been on more than a handful of adventures, and we've gathered a list of 10 of the best Kirby games here."
NE: "Kirby Star Allies has what is perhaps the most complicated tidbits of lore the series has ever seen. Here's our full explanation."
Developer HAL Laboratory explains how the creation of Kirby Star Allies paved the way for Kirby and the Forgotten Land.