Audio

• Bullet hits by toxicwafflezz: https://freesound.org/people/toxicwafflezz/sounds/150837/
• Bunker Ambience by uair01: https://freesound.org/people/uair01/sounds/91446/
• Browning Hi Power by nioczkus: https://freesound.org/people/nioczkus/sounds/384987/
• Ride of the Valkyries by Richard Wagner

Models & Textures

• Skull model from TurboSquid by Samc4d
• Castle Wall texture  from Substance Share by Marcus Ryéll

Particles & Shaders

• Particle Effects by JMO, Unity Asset Store