A Walk in the Park

There is a fireworks event in the evening and your friend knows just the right place to watch it. All you have to do is get there through this perfectly normal park. Just follow the arrows and you'll reach your destination. Eventually. How hard can that be? And what number of acorns is enough acorns?
Classic platformer experience
Simple controls
Grumpy bosses
Reach your destination as fast as possible
And don't forget to drink your water