Betrayal.io is a social deduction game where every task, report, and vote can decide who survives the match.
Here's a quick look at the game:
What is Betrayal IO?
Betrayal.io is a multiplayer mystery game played in the browser or on mobile. You join a match with other players, move around the map, complete tasks, and watch for suspicious behavior.
Most players work as crewmates, but some players become betrayers. Crewmates win by finishing tasks or voting out the betrayers. Betrayers win by eliminating crewmates, causing disruptions, and avoiding blame during discussions.
How to Play Betrayal IO
At the start of a match, check your role and begin moving through the map. If you are a crewmate, focus on tasks while staying alert. Report bodies when you find them and use meetings to share what you saw.
If you are a betrayer, choose quiet moments to strike. Avoid killing near groups, use disruptions to pull players away, and act like you are doing normal tasks. A clean lie during voting can be just as important as a clean escape.
Pay attention to player routes. Someone who avoids tasks, follows too closely, or appears near a body deserves suspicion. Do not vote only because someone is loud. Use movement, timing, and task behavior to make better choices.
Controls
| Key | Action |
|---|---|
| WASD | Move |
| Mouse | Interact with objects and players |
| Click | Move, if click movement is selected |
Tips for Betrayal IO
- As a crewmate, finish tasks early instead of wandering without a goal.
- Remember who was near you before a body report.
- As a betrayer, avoid obvious chase paths after a kill.
- During voting, give clear facts: location, timing, and who you saw.
