intrusion - action game

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

Venture through 5 levels of snowy mountains, industrial complexes and moving trains as you battle your way through waves of soldiers, helicopters, and robots.

WASD or arrows to move, mouse to aim and shoot, 1234 - switch weapons

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.