Here are some textures I made for the game.

Laser 1

Laser 1

Laser 2

Laser 2

Laser 3

Laser 3

Player Laser

Player Laser

Eye for all aliens

Eye for all aliens

Alien 1

Alien 1

Alien 2

Alien 2

Alien 3

Alien 3

UFO

UFO

Shield

Shield

Player / Tank body

Player / Tank body

Tank treads

Tank treads

Tank wheels

Tank wheels