Klaus Veen's Treason

89.7% positiveFreeSteam Store

About the game

Treason is a 3-16 player party shooter of teamwork and betrayal, set among Italian mobsters. Use proximity voice chat, unique abilities/gadgets, and strategy to prove your innocence or deceive others.

Current players

Updated Oct 28, 11:51 PM

24hr peak

Highest count in the last 24 hours

All time peak

206

Highest count in recorded history

Followers

2,365

Updated Oct 28, 8:04 PM

Player history

511 observations in viewHistorical player data prior to Sept 2026 is from steamcharts.com.Oct 22, 2026, 12:01 AM – Oct 28, 2026, 11:51 PM

Follower history

3 observations in viewOct 25, 2026, 8:04 PM – Oct 28, 2026, 8:04 PM

Game details

Rankings: Most Played#73,536
Developer: Tomorrow Software
Publisher: Klaus Veen
Release date: Jan 31, 2023, 4:12 PM
Languages: English
Price: Free to play
Platforms: Windows
Linux
Features: Feature names
Multi-player
PvP
Online PvP
LAN PvP
Co-op
Online Co-op
LAN Co-op
Steam Achievements
Stereo Sound
Surround Sound
Playable without Timed Input
Steam Cloud
Stats
Includes level editor
Includes Source SDK
Family Sharing
Tags: Social Deduction PvP FPS Party-Based RPG Action

User reviews

Positive reviews

89.7%

Positive: 1,373
Negative: 157

Updated Oct 28, 12:53 PM

Review history

Mode

3 observations in viewOct 25, 2026, 12:50 PM – Oct 28, 2026, 12:53 PM