Interesting y8 First Person Shooter

Sift Heads World Act 1
Game description:
Vinnie is now officially teamed up with Kiro and the delicious Shorty. The story continues from the intense ending of Sift Renegade 2. As Vinnie and Kiro hide out in their new headquarters Shorty signals the presence of the Italian Mafia. Ever since Vinnie cleared the street of Chicago many years back, thing haven’t been so good for this gang and desperately attempt to surface again. Vinnie and his band of assassins have no intentions of letting this happen and will go directly to the source of the problem to put a stop to it; Palermo!
Game controls: Use mouse to aim and shoot.
Space bar to get weapon.
R to reload.

Sift Heads World Act 5 
Game description:
innie, Shorty and Kiro go deep in the depths of the Amazonian rain forest for a lucrative excursion but local mercenaries will get in their way. Fight off the ruthless mercenaries and try to accomplish your expedition.
Game controls: Use mouse to aim and shoot.
Space bar to get weapon.
R to reload.

Weapon
Game description:
Defend the downed chopper as you purchase new weapons to blast the waves of incoming enemies.
Game controls: Use Mouse to aim and shoot.

Sift Heads World - Act 6
Game description:
After having their head quarters destroyed, Vinnie and his gang try to find the culprit and stop them for good. But the guys will find out that more than one clan is behind this attack!
Game controls: Mouse key - To aim and shoot.
R - To reload.

Phosphor Beta
Game description:
Phosphor is a first-person shooter created with Macromedia Director (links will open in new window). The Shockwave Player allows the game to run within a web browser on Windows and Mac OS computers. Both single player (with AI-controlled bots) and multiplayer (using peer-to-peer Internet or LAN connections) game modes are supported.
Game controls: W, A, S, D to move, Space to jump, C to crouch, mouse to look/turn, mouse button to fire, right mouse button to zoom, F next weapon, G previous weapon, 2-5 select weapons, E - activate, Enter - talk, Back - score, ~ (tilde) - access "command console", Esc or P - pause.

Sift Heads World Act 2
Game description:
The awesome assassin crew is at it again when the adventure in killing continues...
Game controls: Use mouse to aim and shoot.
Space bar to get weapon.
R to reload.

Mr. Vengeance Act II  
Game description:
Walk through the halls in clicking fashion. When enemies appear, shoot them with your uzi.
Game controls: Use mouse to aim and shoot.

13 More Days in Hell
 Game description:
Move in this FPS as you gather new guns and shoot all the hellish enemies that chase after you.
Game controls: Use WASD or arrow keys to move
Use mouse to aim and shoot.
QE, mouse whee, or 1-6l to switch weapons.
R or SPACE to reload