Avenger is an arcade game on www.flash-game.net in which you try to avenge your friends which were destroyed by invaders from hellion constellation. Use control button that is ctrl key of the keyboard to fire and cursors to move a ship. There will be some rows of enemies flying towards you with the bullets shoot from them. You should shoot the enemies and evade the bullets to save your energy until you meet the boss. Watch for bonus after killing bosses, you will get better weapon when you eat the bonus, and your weapon will be better and better if you eat more bonus. Then you can go to next stage but your mission hasn’t finished yet. You should try to meet the ultimate boss to avenge your friends. Good luck!