Sorry to hear that, but we do think that so far all powerups are quite obtainable by just playing some matches. If it becomes too much of a problem we will adjust the costs or introduce some kind of level-tiering so you only play people on your "level".
As soon as I seen it's one of those games where you run out of energy, & then you can pay REAL money to get more. I instantly rated it a 1 star & you became a terrible developer.
There should be a special reward/badge for killing the boss with nothing but a handgun & lose no lives.
It's hard as hell but so rewarding when it's done.
If you are gonna do one final Robot wants game for the series. I suggest you do a "Robot Wants Robot. He realizes he only needed these things to not be alone? But now he knows what he needs. A Woman Robot. Or how does bender say it? Binbot? :P
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Sorry to hear that, but we do think that so far all powerups are quite obtainable by just playing some matches. If it becomes too much of a problem we will adjust the costs or introduce some kind of level-tiering so you only play people on your "level".