There are instuctions when you start, if you couldn't read them then here they are. Start the game with the start button arrow keys to move e to pull out bow to perform a duck jump you will have to hold down for a few seconds and then immediately hold jump as you let go. This helps you reach higher ground and is part of the first level.
You have to shoot the balloon down to progress I made this This is only the alpha so more will be added RPG have fun!