- Kill All — Grunt Madness

: Extensive fan-made content exists on platforms like Newgrounds and Steam Workshop, including "People Playground" mods where players can spawn and eliminate infinite grunts for sandbox testing. Evolution in Games

: In this mode, players must survive increasingly difficult waves of enemies. Grunts appear early on as the primary targets before more advanced Agents or G03LMs are introduced. Grunt Madness - Kill All

You can find "Kill All" grunt challenges across several platforms and game types: : Extensive fan-made content exists on platforms like