Intrusion will have you fight through line of enemy in each of the five exciting levels of the game. Move with the arrows or WASD keys. Aim and shoot with the mouse. Use the 1-4 keys to change your weapon.
51%
600 Cuts
Jelly Alien
45%
E7
66%
Blackwood Prologue
0%
Missiles Attack
Mutant Alien Assault
53%
Alien Abduction 2
56%
Albert the Alien
42%
Dr. Flammenwerfer
46%
Alien Infection
47%
Mars Commando
49%
Newgrounds rumble
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