Project Spectrum is an innovative free-to-play horror-infused first-person shooter designed for Windows, blending tactical Player vs. Environment (PvE) and asymmetrical Player vs. Player (PvP) elements. Players assume the role of an 'Operator,' tasked with investigating and neutralizing supernatural corruption in eerie locations known as 'Ember Zones.' The game features a unique sanity system that impacts gameplay, encouraging players to navigate terrifying environments while managing their mental state against both AI monsters and a human-controlled adversary.

In addition to the intense combat and exploration, Project Spectrum allows players to gather resources for crafting various weapons and gadgets, enhancing their tactical options during missions. The focus on squad-based gameplay promotes teamwork and strategy, although details on single-player experiences remain sparse. While the game is still in development with no official release date, it aims to deliver an engaging horror experience that challenges players both mentally and physically.