The specific naming convention Samurai.Gunn.2.v2021.12.16.zip is frequently found on file-sharing sites and "abandonware" mirrors.

Samurai Gunn 2 is the sequel to the 2013 cult hit Samurai Gunn . It retains the "one-hit-kill" mechanic that defined the original while expanding the movement system and character roster. The "v2021.12.16" version represents a build from the game's first year in Steam Early Access, a period focused on refining online play and adding "Friend" characters from other indie titles. Technical & Gameplay Evolution

: Unlike the first game, players can now dash in any direction, allowing for complex aerial maneuvers and "dash-canceling" attacks to bait opponents.

: The game has received numerous updates since 2021, including new characters like the Trigger Happy Havoc cast and refined mechanics.