Similar to GUN-KATANA（銃刀）_―Non-Human-Killer―

Shoot Boxing World Tournament 2004

Shoot Boxing World Tournament 2006

Shoot Boxing World Tournament 2008

Shoot Boxing World Tournament 2010

A Short Biographical Dictionary of English Literature

Simple Authentication and Security Layer

Simple Network Management Protocol

First-person shooter

Massively multiplayer online game

Capture the flag

Tactical shooter

Six degrees of freedom

7554

Cube 2: Sauerbraten

Spasim

Urban Chaos: Riot Response

Urban Terror

Outtrigger (video game)

Active Shooter

AssaultCube

Atomic Heart

America's Army

Alliance of Valiant Arms