All of these extra mission, such as how Han and Chewie caught the Rathtars, can only be unlocked well after the main story has been completed and
enough gold bricks are collected.
Also, only
enough gold bricks for one story pack were removed, suggesting that this story pack probably would've been a surprise reveal.
In addition to the Free Play modes, there are unlockable bonus levels for each Episode once you complete all six chapters and have
enough Gold Bricks.
Not exact matches
There are side - missions, random crime encounters, races, and
gold bricks to find which is
enough to keep you busy for another 15 hours or more.
It also includes elements from the previous Lego games (solving simple puzzles in order to collect
gold bricks, which in turn can unlock new features in the game) and, surprisingly
enough, No Man's Sky.
Overworld activities also borrow from Lego Batman 2 in that
gold bricks are obtained by completing a level, collecting
enough studs on a level, finding hidden items in a level and wandering about the hub.