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Warden's Duty: a game created for the 7-day Roguelike 2015 challenge. Lacks the traditional roguelike map and features over-sized ascii glyphs. You cannot really win this game, but you can try to get deeper than others. Play Wardens Duty instantly on arcadefork - no download, no sign-up, works on any device.
Originally by ondras · ISC licence · source
Yes. Wardens Duty runs entirely in your browser on arcadefork - no download, no account, no payment.
Wardens Duty is an open-source project by ondras, published under the ISC licence. The original source is linked from the credits page.
It is served as a normal web page, so it scales to your screen. If it needs a keyboard, the on-screen controls are still there.