What Is Betrayal.io?

Updated

Betrayal.io is the official site for an online multiplayer social deduction game of the same name. It is currently in alpha, and the site describes it as a game for 6 to 12 players in which you either play as the betrayer and work against your teammates, or cooperate as a crew member to win. The page also lists it as "coming soon" to PC, iOS, and Android, so the browser version is the entry point available at the time of writing.

What kind of game it is

Betrayal.io belongs to the social deduction genre. The site itself says it is inspired by Werewolf, Town of Salem, and Among Us — three games that share the same core loop: a group of players is given hidden roles, most of them share a common goal, and a smaller number secretly work against that goal while everyone tries to figure out who is lying.

That means the game is less about reflexes and more about:

  • Discussion and accusation — reading other players and arguing your case
  • Hidden information — you never know for certain who is on your side
  • Deception — if you are the betrayer, your job is to blend in

Who it is for

If you want... Betrayal.io fits if...
A party game with a fixed group You can gather 6 to 12 players
A game you can start in a browser You want to play without installing anything
A deception-focused experience You enjoy Werewolf-style arguing and bluffing
A finished, polished product Not yet — the site labels it alpha

What the site tells you, and what it does not

The homepage is essentially a landing page. It states the player count, the two roles (betrayer and crew member), the inspirations, and the platforms coming soon. It does not publish pricing information, account requirements, or a release date for the PC, iOS, and Android versions, so those details are not confirmed by the source material.

If you are deciding whether to try it, the practical questions to answer first are whether you can assemble a group of at least six people and whether you are comfortable playing an alpha build. If both are yes, the browser version is the place to start.