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11/1/13 - Hit window has been tightened up a bit following more playtesting. Songs are hosted on Dropbox btw, so if it says loading 0% for more than a few seconds then Dropbox is down! Doesn't happen often though, they're quite reliable.

10/1/13 - Feedback dialogue upon failing a level is now skippable! Thanks to the suggestions in the comments, and the NG team for featuring the game. You may need to Ctrl-F5 (or the Mac/Linux equivalent) the page to clear your cache and get it to load the newer version.

Edit: Thank you for all the kind words people :) We're trying hard to get this game sponsored so we can dole out the full version. So if you liked it, rating this game on the sidebar (even multiple times!) to the left would be very charitable of you and help increase the game's visibility in this Flash jungle. The review scores don't count towards the rating, so if you wrote a review it would doubly help if you rated on the sidebar too. WE LOVE YOU!

Oh, unlocking the secret level involves perfecting a particularly hard level. It's.. for your own good.
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THIS GAME HAS VERY STRICT TIMING. THE FOLLOWING IS NEEDED TO PLAY ACCURATELY:

Browser: Anything but Chrome
Flash Player: 11.4 or above

IF YOU INSIST ON USING CHROME: The Chrome problem is not specific to this game, but affects all games. It's just this game requires a degree of accuracy so high that the tiny lag caused by Chrome's inbuilt Flash Player is enough to throw the timing off. YOU CAN MAKE IT WORK IN CHROME by going to chrome://plugins and disabling all plugins with 'PepperFlash' in the location. This will make it use the normal Flash player like the other browsers, if you have it installed.

IF YOU ARE USING LINUX: The latest Flash version is 11.2 which unfortunately doesn't include the amazing sound latency update. The game should still be playable, the only difference being that the audiophiles will notice a 0.1s latency between pressing a key and hearing its sound effect. However if you're used to playing flash games on 11.2 and have never noticed this then it shouldn't affect you! Just press enter at the warning.
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Rhythm Doctor is a tough ONE-BUTTON rhythm game heavily inspired by Rhythm Heaven!

For those who played Rhythm Heaven, the defining feature of the series is the extremely strict margin of error, compared to any other music game out there. This means many people even realise their rhythm is a little off until they play Rhythm Heaven. My game seeks to emulate that feeling :)

Many. many hours have been spent making the engine accurate. After extensive testing we found a calibration that worked for all browsers except Chrome, which lags due to it using PepperFlash. Enjoy!

<<This is still a WIP, three level demo so far. Stay tuned for the final version!>>