Batt(l)ery (Ludum Dare 39)

Submission to Ludum Dare 39 - Jam. Kill your opponent, but watch the state of the battery, all you actions (moving, firing) consumes power. Battery is shared for both of you! If the power lowers to 0, both robot will fall into sleep mode and will wake up when 25% of the power are restored. The battery is slowly charging itself (1% per second). To charge it quicker, pick power-ups and use them when you need it. There are two places with first-aid kits, pick them when you are wounded, they are app...