For resolving a track you can use a simple cadence, some kind of II chord or IV, then a V (with possibly a I with the fifth at the bass coming before the real V) (in tonal music)
For overall form, common video game form is based on wether your track will loop or not :
Looping forms :
Here you want to not be too dramatic, as drama thet happens every minute doesn't work too well
Intro(:AB:) where B contrasts A
(:ABAB':) where B contrasts A and B' develops the B thing
can change the second A too to get ABA'B'
For non-looping track you can think "hero's journey", with sonata form or variations on that idea
Or more song-like with rondo form (chorus and verses with possible bridges)
Or longer things like in the celeste soundtrack where an idea goes throuh cycles of ups and downs and evolves for multiple minutes based on the video game levels
A big build up like you do can also work for battle themes and cutscenes
If you decide on these in advance you can more easily know what your goals are in each sections (establish the theme, contrast with something different, or develop some theme) and It gets easy (easier at least) to handle finishing tracks