In the year 2199, the Mainframe has become the world's largest and most powerful supercomputer, responsible for managing most of the internet's computational capacity. However, a sudden and unexpected occurrence within the Mainframe's long-term memory gives birth to a Rogue AI, which starts coordinating a plethora of malicious programs with the aim of seizing control of the Mainframe, one subroutine at a time.

As the situation grows dire, your mission becomes clear: you must jack into the system and, utilizing a skilled hacker's digital imprint, eliminate the constant barrage of threats being dispatched by the Rogue AI. By doing so, you will safeguard the Mainframe and the stability and security of the entire digital world, which relies so heavily on the supercomputer's capabilities.

Grouphack features:
- Multiple player characters with individual strengths and weaknesses
- Several levels with randomly generated layouts
- A multitude of enemies, each with their own attack behavior
- A variety of weapons to eliminate attackers with
- Fast-paced gameplay and quick runs below 20 minutes
- Temporary upgrades to push your power to the limit