5 stars: Right out the box this game is addictive. Spending money isn't required to level up. The prices for their items are good if you do decide to spend money.
5 stars: Great game! Perfect time waster! Excellent graphics and smooth control
4 stars: Immensely fun game when it works. Enjoy playing stages and collecting gear but have reached a point where I can't play the ship shard stages as it auto crashes just when going to the page. Not to mention issues where it freezes while loading other stages and it just eats your crystals if you had to pay any. Game absolutely needs some light fixes.
4 stars: This is a bullet hell game. Perhaps not to the level of Touhou, but it is good. Control is responsive, BGM is good, difficulty are fair. I hope it can be played offline.
3 stars: This is an amazing game! But it's ruined by money making tactics, like the majority of mobile games now. When I got to level 10 in the second zone, the shot patterns seem impossible to pass. To try to make you buy the packages to boost up, something I won't do. But I did manage to beat the 2nd to last boss, only for the game to
3 stars: Enjoy the game immensely. I've acquired many parts and a pilot without having to spend a single penny, which is good. Sadly there are way too many ads, and although optional, it's almost necessary to watch for doubling rewards. Crashes now all of a sudden whenever I try to play the Shard collecting levels. A lot of potential in the game, but too man...