Tiny Airships - action game

Tiny Airships is a free online flash game of the category action games.

Fast paced, gameboy themed, steampunkish, retro SHMUP.
Features:
+ Fast paced shoot'em up gameplay.
+ Adventure mode with 15 exciting levels taking place in three different sectors of Metrocadia.
+ 3 challenging boss fights.
+ 4 Primary Weapons, 4 Secondary Weapons and 4 Airships can be unlocked over the course of your escape.
+Survival Mode.
+ 12 Medals to unlock.
+ Nostalgia inducing retro graphics.

WASD or Arrow keys pilot your ship.
Z or L shoot. X or K use your secondary weapon.
Shoot down all of the ships and purchase new upgrades.

A context menu should be shown when right-clicking or, on touch devices, long-pressing in the game. This menu especially allows to play in full screen and control the volume.