Got the 3.0 version first and could not get past the first stage because of the weapon power down. Would shoot a random enemies, with power weapons, for about 15 seconds before they would be destroyed. Was unable to clear stage one with max lives, because bosses took too long to beat. Now I have version 3.1, and noticed the weapons do more damage. So random enemies take about 5 seconds to destroy now. With that said…bosses have anime fast movements and attack patterns. Not only do you have to memorize the smart attack patterns, you reaction time has to be very precise. As not only are the bosses movement speed faster…their attacks track you at sharp angles at a extreme speed. Recommending this game if you want a challenge or if you want to create a nice looking TAS. Looking forward to more balance updates in the future !