The game is really fun and a great time waster, love playing it on long trips. There aren't any annoying ads either, you can play completely free with no real hindrance. 10/10 on those aspects. The gameplay does get a little repetitive after a while because you level up all the weapons really quickly, which could easily be solved by adding like a dozen new ones every so often. Get creative with em and go wild to get some strong variety.

My original review was a 2* pushed to 1* because the game was really unfun at some point, but the more I played, the more I realized that the game was way better than I thought. My main complaint was it being "impossible without s grades" but that was just me being a crybaby over a chapter I could've easily beaten with different gear. Overall the game is pretty entertaining once you pass around VERY early game imo. If you like this type of game, check it out. You won't be disappointed.

Great game, and the impact of the fremium business model is minimized (though there are a few always-visible alerts for items in the store / ads to watch). This isn't my normal style of game, but I am really enjoying it. the difficulty curve is well-tuned so far - I haven't felt completely stuck yet.