Monster Duty

At a glance

Monster Duty is a free multiplayer arcade and action game that plays in your browser on w.run, with touch controls for phones. On Foundplay since November 12, 2026.

Questions

Is Monster Duty free to play?

Yes. Monster Duty is free and plays in your browser on w.run. Foundplay links to it but doesn't host it.

Do I need to download Monster Duty?

No. It runs in a browser tab, with nothing to install.

Is Monster Duty safe?

Foundplay checks its link every few hours and gives it a daily safety check (malware blocklists, downloads, crypto miners, parked domains and fake virus warnings), and hides the game at once if that check fails. No check can promise a site is safe: if a game asks you to download something or for a password, leave it.

Can I play Monster Duty on my phone?

Yes. It has touch controls and plays in your phone's browser, with no app.

Is Monster Duty multiplayer?

Yes. You can play it with other people.

What games are like Monster Duty?

Open Floor Plan, Grapple Over and SIDEKICK, from More like this below. They're free in your browser too.

Who made Monster Duty?

It was made by @greatkid20 on X.