Doom - At Doom's Gate E1M1 remake by Andrew Hulshult (Brutal Doom v2.0 trailer theme)

I Sawed The Demons - Open Fortress X DOOM Mashup

the death of my mind

Portal 2 - Reconstructing More Science - Orchestra

REALM: Project M3KYR

Terraria - Boss 3 Mashup

Devils... Monsters... SPV3

SCP - [REDACTED] - Theme 2

Vandoorea - Death Count (Half-Life inspired action music)

[Half-life2]CP Violation(Remix)[DEMO]

Carnage