The ideia is amazing, loved it, but the "+1" always appears during the enemy's turn right when he has no way out other than to give me an opening to close a square, which causes him to close several at once, leaving the game little unbalanced, but amazing game!
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Thanks for playing it @XAND!
The power-up types are spawned at random, so it was just perhaps a bit of luck (or lack thereof) that the AI kept getting a '+1'. In most of our playtesting, there should be enough opportunity to come back from those moments and they serve as a little way to shake up the game a bit.