Drobot

Beep! Beep! Beep!
It's a state of emergency!
An outbreak of mysterious creatures is going on in outer space!

-Game Descriptions
Drobot is a backwards-firing 360-degree shooting game.
One wave lasts ten seconds.
The wave is cleared either when all enemies are killed or you escaped from all enemies.
After clearing a wave, you can make drobot stronger with upgrade items.
Clear all the waves and restore peace to space!

-Controls
Move and shoot with the joystick.
Press the button to dash.
You cannot use dash until your energy is charged.

-Features
Backwards-shooting
Drobot gets progressively stronger through upgrades
Exciting gameplay with huge amounts of enemies
Unlock a wide variety of color palettes