CONTROLS:
Click on the rhythm track to enable them between rhythm periods. 
QWER to activate the rhythm tracks, AD or the buttons near the cardinal to change the direction of your ship. 

Game loss on exiting the map, running into a worm hole, or running out of fuel.

Add more fuel to your ship by dragging the container into its slot.

Complete the assignments to gain charge in the cannon, once the cannon is full, fire it to destroy the planets. 

CREDITS : 

Software - Jacob Erdmann
Music  - JonnyShogun

OST - https://jonnyshogunn.bandcamp.com/album/sys-end-vol-i