Doomsday Survivor is a shirt that can be obtained by Toons who created an account before June 2, 2014 by entering the code, "flip-for-flippy". This shirt is a modified version of Flippy's regular shirt with a newly designed texture.
- This shirt was released during ToonFest 2014.
- As long as a player is eligible for this shirt, they can enter the code at any time on any Toon within their account. The code never expires.
- This shirt, along with another shirt, is a very rare item as it only pertains to Alpha testers and a few Beta testers.
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