Guide not written yet. We add one after we've played the game. For now, this is the developer's own description.
Controls
Mouse click or tap to play
About Shooter: Outbreak Protocol
Shooter: Outbreak Protocol is a free online zombie shooting game featuring three maps and six weapons. Battle waves of undead across Raccoon City, a police station, and an Umbrella laboratory. Earn cash, unlock weapons, and upgrade your firepower to survive tougher waves. Play this first-person shooter directly in your browser.
Description and controls supplied by the developer via GameMonetize.