If Sonic stays underwater for too long without surfacing or finding an air bubble, "danger" music will start playing alongside a countdown leading to Sonic running out of air and dying.

According to an IGN guide, Sonic could stay underwater for 30 seconds in Sonic 2, but I'm unsure whether this applies to Sonic Mania. (Or any other Sonic games for that matter)

How long can Sonic stay underwater before running out of air?


I timed it in my game, and it appears to also be 30 seconds.

I started a stop watch on my phone the second I jumped in, and got 29.90 seconds when I died. The .1 of a second is almost certainly just due to my timing. The countdown bubbles next to Sonic's head go down at a rate of about 2 seconds each from the looks of it. So, once you see those, you have about 10 seconds to get some air.

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    If it's the same as Sonic 2, then this quote from the IGN guide likely still applies. "30 seconds. It takes 5 seconds for the first "ding" warning, and the warning repeats at 10 seconds and 15 seconds. After 18 seconds (or 3 seconds after the 3rd warning), the "danger" music and countdown start. The countdown lasts 12 seconds." – Stevoisiak Aug 28 '17 at 13:34
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    Feel free to edit the quote into your answer if you'd like. Marking this answer as accepted. – Stevoisiak Aug 28 '17 at 13:36

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