itch.io

it is the effect/filter that gives everything a slight blue greenish tint around everything. Also an option to turn of the vhs would be neat too.

For a good example specificly, in the new puppet combo game 'blood wash' you can toggle CRT effect on/off and toggle from vhs to psx graphics etc.

crt is cathode ray tube television. 

it used an RBG pattern to display colors ( we use pixels now ) 

and often produces chromatic aberration ( When the Red, green, and blue patterns get displaced, causing them to bleed. 

the game is a bit too dark in color, and I'd also add that the last message flashing green and white so rapidly warrants an epilepsy warning.