Color Cubes

Cubes, cubes and cubes. All kind of colours and sizes. It's your task to survive the 3 levels.
Some cubes you can destroy, but to shoot them you have to select the right cannon. You have 3 cannons (red, blue and green) and you can only shoot the cubes with the same color as you cannon fires.
You cannot destroy the multi colored blocks. The ice cubes are the easiest ones to destroy because you can shoot em with any cannon. But look out for the dark green/purple cubes (see picture below), if you shoot this one, you will lose a life.

Ultimate Steroids

The Ultimate Steroids is, as the original Steroids was, an Asteroids-clone. Basically, you jump to the cockpit of a space ship, and burst through the space shooting space rocks, asteroids. You collect some power up-bonuses and slowly increase your firepower. You will encounter some hazards during your mission such as evil aliens and strange black holes.

The game features OpenGL accelerated 3d graphics, sound and music, up to 1

Maderina 2001

A great side-scrolling Japanese space shooter. You have a spaceship and have to shoot down the other ones. On that manner you will become stronger and stronger. The gameplay and graphics are really amazing.

Bounty Hunter

 very enjoyable space shooter + shop and garage
  
Fight the evil space machines to earn money so you can advance to the next zone, steping closer and closer to the master machine
You will fight more and more difficult enemies as you advance towards your goal, the Devil Skull. You must earn enough money to be able to go home and by killing Devil Skull you will earn enough. Upgrade your ship and advance zone by zone closer to your final target.

Maxeed Attack

Space shooter

A great Japanese space shooter. You have a spaceship and have to shoot down the other ones. On that manner you will become stronger and stronger. The gameplay and graphics are very good.

Prototype

A beautiful horizontal 2D scrolling Space shooter

ProtoType is a horizontal 2D scrolling Space shooter in similar fashion to old retro games such as 'RType' and 'Gradius'.

Warmachine Overload

A beautiful and enjoyable horizontal scrolling Space shooter

There are 6 levels and at the end of each level there is a big boss.
The game is in english, but the readme is in Japanese. But who needs help for a Space shooter? ;)

Wrap Mania

A nice and unique space shootere

Alien Treasure

Scrolling space shooter with lots of features

Alientreasure is a classical 2D horizontal scrolling shootem up which takes place inside our solar system. Your aim is to destroy all aliens and catch their treasures to increase your score. Sometimes treasures can be bonusmines, powerups, phasers, megablasts or heros. A megablast fills the blue status bar enabling you to destroy all aliens by pressing the right mouse button. When a level is complete, you will rise up to the next planet. When you have saved all the planets, you enter a kind of bonuslevel called Alien Village. Here you have no chance of survival, but you can increase your score.

Aurikon

A great one-key Space Shooter game

Ten missions and plenty of levels per mission. In each mission you

fly another kind of space ship. At the beginning you can play only

one mission. Each time you reach a certain level in the mission,

another mission will be unlocked.
In each level the enemy ships will follow you and of course they will

try to shoot your down. You can fire back by pressing the space bar

and by holding the space down you can fly faster (boost).

Blast Radius

A very fine side scrolling space shooter.

Cloudphobia

A very nice side scrolling shooter

A very nice side scrolling shooter from Japan (in English)
The website and manuals are in Japanese.

Galax

The story goes like this...
On the planet Wigert, a computer called XENON, which has a mind of its own, has taken over control of the planet and is going to destroy Earth if not stopped.

Goldrake Spacer

A terrific Italian Space Shooter using 3D graphics

A beautiful horizontally scrolling shooter in high resolution (1024x768) using sprites rendered from 3D models. There are 4 levels + a huge final boss and a lot of powerups for firepower and speed. Try to destroy multiple enemies together (Combo Hit)

Maelstrom 3D

aelstrom 3D is essentially a 3D version of Asteriods with some extra goodies included. It was a finalist in a 2002 competion for a college course entitled "Introduction to Computer Graphics."

Space Fighter X11

A 3D Space shooter made with 3D gamemaker

Space Fighter X11 is a 3D, 3rd Person Space Game. Your mission is to investigate rumors of an attack by the Wymacet Horde on one of our glactic exploration stations. Be careful because the Wymacet Horde always travels in large numbers and Red Giant sun in this region makes their ships difficult to see. Use your arrow keys to ascend/descend and your mouse for direction and firing. When you destroy a ship, you are able to pick up it's energy core to add energy or lives to your ship. In addition, the energy rings will provide an energy core when destoyed. However, if you hit them before they are destroyed, they will drain your energy. To win, you must destroy the Horde's mobile star base.