You can only level it up by, high friendship
To evolve the Munchlax you just have to level it up when its holding the leftovers.
Snorlax does not evolve. However, he does evolve from Munchlax. There is no specific level that Munchlax evolves. If he levels up with a high happiness rating, he will evolve into Snorlax.
raise its happyness to max
by leveling up to level 78
It evovles with max happiness
level up with base happiness at 220
you have to level up at a high friendship level.
No
Munchlax evolves into Snorlax by max happiness.
You level munchlax up with high friendship to evolve into snorlax
Munchlax evolves when his happiness value is at 220. It does not evolve at a level.
Munchlax doesn't evolve based on level; when its happiness is at maximum, it will evolve the next time it levels up.