Allows you to pixelate everithing you want. Control pixelization amount and color depth.
Uses Eevee with bloom. Play with bloom setting especially if your glowing objects have another color(by default u can use bloom color white R1G1B1).

Have fun!

Other works:
Dither Compositing Preset (Add fancy adjustable dithering effect to your renders)
Glass&plastic (Pack of glass and plastic shaders with various dispersion algorithms and shades)
Part 1 (16 procedural materials. Also there you will find links to parts 2 3 & 4)
Full pack (64 procedural materials full pack)
Also You can check out all my items HERE if You want to.