From the Cookie Run Wiki:
CookieRun: OvenBreak […] is a game created by Devsisters, released on 26 September 2016 in Canada, Sweden, Netherlands, Philippines, Hong Kong, and Australia, with a pre registration event that is no longer running. CookieRun: OvenBreak has since released globally on 27 October 2016, except for China. This is the first game that Devsisters has released since they launched LINE Cookie Run on January 2014, and marks their departure from using the LINE and Kakao instant messaging platform.
The typefaces used in the logo and the in-game text are CookieRun and Mikado.