Nice and chill space journey !
I really like the overall tone of this entry, the 1bit black and white color makes everything clear and anderstandable easily from a gameplay perspective and from an art perspective i really like the ships design with the three canons and the abstract enemies which makes you feel like you're stranded into some unknown sector of space with strange phenomenons with those black hole looking ones and the cuboid thingies (the larger ones look real nice with that smooth animation)
Had a real good time and played for quite a bit, i don't know if it's endless or if there's an end to it as is but i was always curious to see what would come up next especially after what i suppose was a boss ?
The only tiny issue i'd say, it would be nice to have some powerups to change the players shots a bit for more variety.
Regardless, solid entry, cool art design and music, good job to you both :)