What incredibly satisfying real-world sound was mixed to create the iconic Call of Duty hitmarker noise?

A watermelon gave the hitmarker its bite

The familiar hitmarker sound was made by mixing in the sound of a knife striking a watermelon. That real-world recording contributes a crisp, juicy impact—a tiny detail that helps the game’s otherwise abstract confirmation feel immediate.

Why a hit needs a sound

In a fast firefight, players may not have time to study the screen and check whether a shot connected. A brief audio cue can confirm the hit at once, even amid movement and visual clutter. The hitmarker sound is designed to be short and distinct, so it registers without competing with the larger sounds of combat.

The watermelon recording adds texture to that cue: the sharp attack suggests contact, while its softer, fleshy quality gives the impact a little weight. It is not meant to reproduce a literal battlefield sound. It turns a real recording into a compact piece of gameplay feedback.

That is why such an ordinary kitchen sound can become memorable: once attached to a successful shot, the knife-and-watermelon impact becomes the sound of knowing you landed one.