Steam

Impostor Online

Also known as Impostor Online, impostor online, impostor-online

Inspired by party games like Werewolf and Mafia, Impostor Online is a 6-16 player online game of murder, deception, and infection. Join friends and play as a Civilian, Impostor, Zombie, Nurse, Jester, or other unique characters to strategize your way to victory!

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Last update

9 Jun 2026

Original sources

Latest update

AnnouncementPublished 17 Feb 2026

The Butcher Update + Bug Fixes

A new threat has entered the game! The Butcher is a neutral role who fights for himself and wins by being the last player alive. This update also fixes the Nurse healing bug where players would sometimes remain dead eve…

2 changesGameplayBalance

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Latest updates

Update history

Browse past updates and patch notes for this game.

19updates

February 2026
Major Update: Structured Discussions & Role ReworksMAJOR UPDATE NOW LIVE NEW FEATURES Structured Discussion Phase - Players speak one-by-one during the day for more strategic debates Last Words - Eliminated players get final seconds to share crucial information ROLE REW…Announcement6 changesFixGameplay15 Feb 2026
November 2025
Performance Optimization UpdateHey everyone! Just released a quick optimization patch that significantly improves the game's performance: What's Changed: Default FPS cap reduced from unlimited to 120 VSync enabled by default Massively reduced CPU con…Announcement5 changesPerformanceGameplay16 Nov 2025
Major Network Issues FixedHey everyone! **What's Fixed:** ✅ Network disconnection issues resolved - No more random drops during games! ✅ Performance improvements - Smoother gameplay across the board ✅ Enhanced stability - Complete project refact…Announcement4 changesFixServer14 Nov 2025
September 2025
Network Movement & UI FixesBug Fixes: Fixed network synchronization issues that occasionally caused player movement desync during matches Resolved display problems where role cards would sometimes fail to appear correctly or show incomplete infor…Announcement2 changesFixServer07 Sept 2025
August 2025
New Hunter Role UpdateNEW: Hunter Role When the Hunter is about to be killed, they can shoot one player right before dying. Bug Fixes: Fixed pointing hand positioning Minor gameplay improvements Try out the new Hunter role and get your reven…Announcement4 changesFixGameplay28 Aug 2025
July 2025
Host Migration FixFixed lobby rejoin issues that prevented players from reconnecting to matches after host migration. Games should now continue smoothly even when the original host leaves mid-matchAnnouncement1 changeFix30 Jul 2025
Major Network Fixes & Jester ReworkFixed the major networking issues that were affecting multiplayer stability. Jester role has been completely reworked - instead of voting and hiding, Jesters now throw bombs. Voting has been improved with automatic tie-…Announcement3 changesFixPerformance28 Jul 2025
May 2025
Team Voice Added and More!Added team voice channels for Impostors and Investigators Balanced Nurse role: reduced to 4 injections Other small improvementsAnnouncement2 changesUI/audioGameplay17 May 2025
Nurse Injection Fix & Time Options UpdateNurse Bug Fix: Resolved an issue where the target could sometimes die from the first injection. The mechanic now works as intended—targets will only die on the second injection if not healed beforehand Added new time op…Announcement2 changesFixGameplay10 May 2025
April 2025
New Update: "Show Roles After Death" Option + Game Settings Popup!Hi everyone! Just released a new update based on your feedback: New Setting: You can now toggle "Show Roles After Death". Want more mystery after players are eliminated? Disable this option in the game settings. Improve…Announcement3 changesGameplay28 Apr 2025
Jester Hide FixFixed an issue where the Jester’s hide ability wasn’t working as intended. It should now function properly during gameplay.Announcement1 changeFixGameplay24 Apr 2025

Older updates

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