Shock Troopers: 2nd Squad is a run and gun arcade game developed by Saurus and published by SNK in 1998 for the Neo-Geo arcade and home platform. It has no connection with the first Shock Troopers game. 2nd Squad was re-released for the Wii's Virtual Console service in the North American region in 2012. SNK Playmore released it for iOS, Linux and Windows via Humble Bundle and Steam in 2016.

Neo Geo is a family of video game hardware that was developed by SNK. On the market from 1990 to 2004, the brand originated with the release of an arcade system, the Neo Geo Multi Video System (MVS) and its home console counterpart, the Neo Geo Advanced Entertainment System (AES).