Must have Action Games for Windows XP

Alien Shooter 2 unique alloy of arcade action and RPG elements. Download Alien Shooter 2 free full version game and start playing now. Alien Shooter 2 is a large-scale sequel to the first part of Alien Shooter. This is the unique alloy of arcade action...

Alien Shooter: Vengeance drops players into an expansive sci-fi world of classic hack 'n slash gameplay and features a variety of playable characters, dozens of weapons and more than 50 alien species.This demo includes part of the single-player campaign...

Welcome to the fantastic world of Alien Stars--a breathtaking vertical scrolling space shooter game. Leave your fears far behind. Set your mind free. Believe in the endless universe and it will blast in front of your eyes with millions of alien...

Alien...

"Alien Zap" is a new free downloadable shooter game where you fight a band of green monsters. You get into a scary mystic parallel world inhabited with monstrous green creatures. The enemies are entraping you! The aim of the game is to clear out the...

The long-awaited sequel to Aliens vs. Predator, the most intense and terrifying game of 1999, combines elements, creatures, and settings from the hit movies ""Aliens"" and ""Predator"" in three unique, interlocking stories. Aliens, predators, and humans...

A critical planetside tactical strike mission gone horribly wrong. Shot down. Stranded. Lost. Left for dead. The only way off this rock is through a very powerful enemy. What else could possibly go wrong? ...apart from that ticking thermo-nuclear...

The year is 2366, and the SolGov Federation faces turmoil. Lieutenant Kyle Hardlaw, leader of specialized commando unit Alpha Black Zero, stands accused of multiple illegal assassinations against his own government. In the courtroom on Qahira, a military...

Exciting action adventure with a sci-fi...

Alphasix is a 2D overhead game made in Game Maker, which combines elements from different genres, fight games, overhead shooters, and danmaku/bullet curtain games. There are five characters, 30 stages, 45 danmaku attacks. There's a video of the game's...