Interesting y8 Guns

Plazma Burst 2
Game description:
Your mission in this tactical slidescrolling shooter free online game is to take the role of a Marine and blast enemies and upgrade your warrior as you try to save the planet from impending doom. Try to find the time machine to prevent the coming of thousands of alien usurpers.
Game controls: Use WASD KEYS to move.
Mouse. to aim and fire.
Use Number keys to change weapons.
G to throw a grenade.
E to use items.
Z for time warp.

Zombies Defense 
Game description:
You're cornered by thousands of zombies.
Try to defend yourself and save the world by killing them all!
Game controls: this game is played with the mouse only.

ArmorLock 
Game description:
Take down the terrorists with multiple guns in this top-down shooter. Slow down time to stay alive.
Game controls: WASD keys or Arrow keys to move.
Use mouse to aim and shoot.
1-7 to change weapon.
Q to use previous weapon.
E to use next weapon.

Ammo Ambush
Game description:
Enemy forces will try to break through your defence hold your position as long as possible.
Game controls: Use mouse to aim and shoot.
ASDF keys or Arrow keys to change weapon.

Island Colonizer
Game description:
Defend your island against invasive forces of the army. With 6 amazing weapons to pickup and lots of spawning powerups you will be bale to give them some serious resistance!
Game controls: W,A, S, D / Arrow Keys - Move.
Mouse - Aim / Shoot.
1-5 / Spacebar - Select Weapons.

Primary Assault 
Game description:
Gun down the enemy stick figures in this top-down action game. Grab weapons and take cover.
Game controls: W, A, S, D / Arrow Keys - Move.
Mouse - AIm / Shoot.
Spacebar - Reload.
CTRL - Drop Weapon.

Sniper Seal Team Six
Game description:
You will be given objectives prior to entering a mission, simply complete each objective. There are ways to fail each mission, so be sure to carefully read the briefings for every mission.
Game controls: Use Mouse to fire and space to zoom in and out.

Dead End
Game description:
Gore, gunpowder, zombies and you! An unholy army of the undead have gnawed, clawed and ravaged their way across the world leaving ruin and devastation in their wake. You've ran as far as you can, now its time for a last stand.
Game controls: Use mouse to aim and shoot.
Space bar to reload.

Bloody Day Part 2
Game description:
Shoot the white silhouettes that pass by. Gun them down with 3 different types of guns.
Game controls: Mouse - Aim / Shoot.
1-3 - Change Weapons.
Spacebar - Reload.