To get an S rank in Ready or Not, you need to keep everyone alive - including the suspects hell bent on gunning you down. One way to subdue them non-lethally is the pepperball launcher. A tool that fires incapacitating projectiles, the pepperball launcher has made many S rank runs possible. It's range and ability to mount a number of attachments are particularly useful.
But how does it stack up compared to the other non-lethal options?