The game uses a "game within a game" structure. Each chapter typically starts with a level of a retro handheld game called , followed by a story cutscene.
You can only place as many blocks as you have currently "picked up" or destroyed from the environment. GOODBYE WORLD Switch NSP (eShop)
For a complete look at all 12 puzzle stages and every story beat, check out this 100% completion guide: The game uses a "game within a game" structure
While the platforming can be difficult, completing all 12 stages isn't strictly required to finish the story; the narrative will continue even if you fail. Stage Guide & Tips For a complete look at all 12 puzzle
Expect to finish the main story in about 1.5 to 2 hours . Visual Walkthrough
The game is linear with a single ending, but you can replay stages via the "Title Screen" after finishing the main story to clear levels you missed.