Klaus Veen's Treason: Social Deduction FPS with a Twist

8/31/2026, 9:35:03 AM

Release date: 1/31/2023

Tags: #social-deduction #pvp #fps #party-based-rpg #action #battle-royale #party-game #tactical-rpg

User Reviews

Score: 90%Very Positive
Review Count: 1,529 reviews
Fetched At: 8/31/2026, 9:35:03 AM

Reference prices

Japan

Free to Play (JPY)

Steam JP

Free to Play (USD)

Steam

Live Store Snapshot

Body text may reflect the state at publication time. For the latest sale, price, and review changes, prioritize the live price panel, review panel, and the Steam store listing.

Japan Price: Free to Play
Global Price: Free to Play
Sale Status: Regular pricing
Price Checked At: 8/31/2026, 9:30:57 AM

Key highlight

Klaus Veen's Treason is a free-to-play FPS that blends social deduction with intense PvP action. Uncover traitors among your ranks or become one yourself in this unique blend of deception and combat.

Who this is for

Dive into a world of suspicion and gunfire where uncovering the truth or maintaining a lie is paramount! Experience thrilling psychological warfare and FPS action with friends or players worldwide in Klaus Veen's Treason!

Details

Overview

Klaus Veen's Treason plunges players into a tense social deduction experience wrapped in an action-packed FPS package. Developed by Tomorrow Software and published by Klaus Veen, this free-to-play title challenges players to uncover a killer within their ranks. Each round begins with a critical mission: find clues to identify the "Don's" murderer. These clues, once delivered to the Clue Processing Unit, will expose a "Traitor." The core gameplay revolves around the conflict between "Traitors" who secretly conspire against the "Innocents," the "Detective," and the "Doctor." Innocents must work together to identify and eliminate the Traitors, while Traitors aim to eliminate all Innocents to secure victory. The game blends strategic deception with fast-paced combat, offering a unique take on the genre.

Highlights

This free-to-play title combines Social Deduction and FPS gameplay, featuring PvP and Battle Royale elements.
Players take on roles like Innocent, Traitor, Detective, or Doctor, each with unique objectives and abilities.
The game supports Single-player and LAN Co-op modes, offering diverse ways to play.

Who It's For

Klaus Veen's Treason is perfect for players who enjoy the thrill of social deduction games like Among Us but crave the immediate action and first-person perspective of an FPS. It's also a great choice for groups looking for a party game that encourages communication, deception, and quick reflexes. Fans of tactical gameplay and battle royale mechanics will find a lot to love here.

Game Info

Developer: Tomorrow Software
Publisher: Klaus Veen
Genre: Social Deduction, PvP, FPS, Party-Based RPG, Action, Battle Royale
Release Date: January 31, 2023
Platform: PC (Steam)
Pricing: Free to Play
Player Count: Supports Single-player and LAN Co-op, with multiplayer focus.
Key Features: Clue gathering, role-based gameplay, deception mechanics, FPS combat.