Appreciate ! Wario ware discover in my youth was incredible !
About "collect 10 spaceships" isn't activate new spaceship appear until you pass again by the middle (just after get one, it will not remaking a new one until you move) not sure why because the idea was to create one at any tile. it's one of the two "bug" (of what i wanted it todo) in the game have (the second bug is when spaceship appear you get to the center, you should not move in what i have in mind)
Those bug make the gameplay just passing by center to generate more appearence i was finding that fun so i let the bug but an idea could be having a text when player isn't moving to ask him to