A downloadable game

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Flap through the horrible gates of R'lyeh and unleash the Madness to open a portal to the eldritch dimension... or will the madness take you?

New in version 2, you can now beat up lesser monsters as you fly through a disgusting cave. You can also unleash and play as a new horrible beast.

- Flapping
- Fighting
- Madness

Ph'nglui mglw'nafh Flapthulhu R'lyeh wgah'nagl flaptagn!Windows is currently supported, Mac OSX and Linux forthcoming (maybe).

Rated 5.0 out of 5 stars
Tagsbird, flappy, one-button


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Click download now to get access to the following files:

FlapThulhu-win.zip 555 kB

Also available on


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was this done in tic-80? :o

No, I made this way back in 2012 or so using my own stuff.

Could you add a trailer or gif pls?