Hi. The levels in this demo are definitely not intended to be the order of levels in the final release. These levels will be around mid game, so there will be many easy levels before you get to these ones. I will also continue to adjust the current level layouts and enemy frequency/placement could definitely be improved. Since you watched the video, you probably already know this but the tutorial will be overhauled completely. To be honest the tutorial was cobbled together last minute to try and have an easier level that will teach players the basics however in its current state it definitely doesn't do a good job at that. The reason the meter is not mentioned is because the lines were written before the Blast Attack was finalized and should have been updated. Thanks for playing!