Pros:
Made in Clickteam Fusion instead of Scratch.
It's incredibly addictive.
I could definitely see a game like this happening in the 70s.
The name "B!T" is pretty clever, since you were (pobably) going for 8-bit.
I've got nothing else to say. This is pretty damn fun.

Cons:
Collecting coins only gives you one point, whereas shooting blocks gives you no points. I would've made the coins 10 points and the blocks 100 points.
Aiming the gun is kinda hard.
No attract mode.

Overall I give this a 4/5. Nicely done.

Very good game! The only thing I want improved is the blurriness of the sprites and the music because it gets a bit annoying if played for a long period of time. I hope you use this review to make it better. :)