Jumping requires you to press the Jump button, then immediately let go of the jump button so that the jump can be performed. Attacking works similarly, but doesn't actually seem to function very well.

Achievements for 500/1500 coins and 15/30 chests are not working. Fix or remove please.

I am so sorry to give this feedback, but man this game was rough... 1. There are weird transitions from map to map. First, you're on a farm, then in a house, then in a pine forest, a super green valley, another house... demo is done. It just didn't make sense. 2. Controls aren't very responsive and super delayed. Jumping was weird. 3. Combat is bad. Like, really bad. Attacks don't appear to connect, there's no animation or sound when you hit your opponent. 4. What's with all the floating coins we have ...