Instructions:
Press 'W' to move 'Up'
Press 'A' to move 'Left'
Press 'S' to move 'Down'
Press 'D' to move 'Right'
Press arrow keys (← → ↑ ↓) to fire bullets
Press 'Space bar' for burst fire (When score >= 500)
Eat food and powerups to get powerful. Click on the canvas below to start/restart the game