From jumps and impacts to breaths and reactions, effort sounds and grunts are everywhere in video games—yet they often go unnoticed. This talk explores how game genres shape these sounds, while uncovering the hidden complexity behind what may seem simple—from variation and timing to repetition, vocal safety, and the physical demands placed on performers. It also highlights how to prepare and direct voice actors for these sessions, offering practical insights into capturing authentic and believable performances in the booth.