Animation: Me (Twitter:   / radjordy  )
Hands: Valve (CS:S) (Rig/Optimization by h33elmeted on Gamebanana)
Gun: notcplkerry on Sketchfab
Sounds: Resident Evil 3 Remake
Map: MENT.wad
Music: Running From Evil - Bobby Prince

I used the compositing settings from this video (with some slight tweaks to the values):    • How to Make Animated PIXEL ART Charac...  
(which references this video)
   • I Am A Pixel Art Master