by Puppygames Save the Earth from evil alien invaders from Titan! Fight your way across the solar system to defeat the aliens on their homeworld. Upgrade your ship with bigger guns from bounty money. Defeat the alien mothership!
by All-Sweets Insects Invaders (a Space Invaders-style shooting game). Save the Earth from space insects invaders. The classic of arcade game.The planet the Earth is attacked by insects invaders, you need to shoot them before they shoot you.
by mytaras Phoenicas is an arcade musical 2d shooter in the styles of defender, exerion, phoenix, ikaruga and space invaders. Blast the invaders to pieces while protecting the last remaining humans, using upgradeable weapons and powerups.
by Fascination Software Invasion 3D is a free 3D arcade game available for Windows and Linux. This fun and addictive game features realistic physics simulation, challenging gameplay, stunning visual effects,multiple weapons, hidden bonuses, and more.
by BdR Cash Invaders is a space shooting game for MS-DOS. You shoot aliens to earn money, with that money you can buy power-ups. There are 100 levels plus 9 bonus levels. The game mixes elements from Space Invaders, Blood Money and other games.