Because this is literally the best we could come up with: Retribution

A fast paced arcade shoot-em-up. Survive through 37 waves of enemies with your quick reflexes. Each game is randomized for maximum replayability. Started at the Berlin Mini Game Jam with the theme "strange power-ups", some of the power-ups help you, while others make you more vulnerable. Dodge the nasty ones for a higher chance to stay alive, you have three lives. Featuring a catchy chiptune soundtrack and beautiful pixel art graphics for your delight.

Features

• 2d pixel art and chiptune soundtrack
• 37 randomized waves of enemies
• 12 types of enemies
• 15 types of powerups, some good, some bad
• your score is how far you make it
• gamepad support

Credits & Links

• Code: Christiaan Janssen
• Art: Michael Hussinger
• Music: various artists, see credits on presskit
• Presskit

Update (28 April 2014): Version 1.1

• 14 unlockable achievements
• More music
• Improved explosions
• Better gamepad support
• Highscores accessible from options menu