Update 1.5.1

Fixes

• implemented accurate audio channels to prevent them from overlapping to fix things such as chainsaw, chaingun etc
• fixed an issue where boats and minecards couldn't be destroyed by the marine
• fixed screen flashes not playing properly
• punch and chainsaw behaves more closely to original Doom

Changes

• doommode no longer spawns pain elementals

New Stuff

Doom head bobbing has been added