Some online 3-D shooting games are "Fast Monster Shooter," "Critical Strike Portable" and "Army of the Damned." These games are free to play at different websites.
"Fast Monster Shooter" is a first-person shooting game. The player uses different weapons to try to destroy the monsters and zombies.
"Critical Strike Portable" is a 3-D shooting game where the player is trying to defeat all the zombies. The player must find ammo for his guns in addition to having good aiming skills.
In "Army of the Damned," the player is part of a world that has been infected with a bio-toxic gas. This is turning the people into undead zombies that try to kill others for their brains. The player must try to survive.