У вашего броузера проблема в совместимости с HTML5
The "final" level of Magikarp jump. Upon completion, the stage is reset and you are forced to start over with a new Magikarp, which highly alludes to a lack of further stages as of now.
Max Trainer Lvl :51 (you stop recieving EXP after that but candies instead)
Max Karp Lvl :61 (about 58.7 mil JP)
Save file has been altered for the purposes of this documentation.