You Have
Available Powerups For this game include
This costs 3 BTC
This powerup cuts the computers score in half and rounds down if per chance it turns out to be an odd number.
This costs 2 BTC
This powerup makes the computers paddle smaller (yes that's what it is). In my opinion it sounds better than it is.
This costs 4 BTC
This powerup make the computer slower for the rest of the round (very overpowered).