Pie-Fighter can be unlocked in lottery after beating a specific stage in relax mode.
What is the length of Tie Fighters in decimeter? That's the stage number!
Abba the Hut can be unlocked in lottery after beating a specific stage in relax mode.
When was Jabba first featured on screen? That's the stage number!
Death Moon can be unlocked in lottery after beating a specific stage in relax mode.
How many different bitizens are there in tiny death star? That's the stage number!