Space Invaders (itch) (deep_singh)

# Space-Invaders **How to play:** * Use left and right arrow keys to move . * Use spacebar to shoot . **Know your enemies:** * Alien1 (hard) **Feature:** It switches between moving horizontally and vertically at random. * Alien2 (medium) **Feature:** It is the fastest alien which only moves in the downward direction. * Alien3 (easy) **Feature:** It sweeps horizontally while also coming down.It is faster than Alien4. * Alien4 (very easy) **Feature:** It also sweeps horizontally while coming down....