Puzzle Games - Play over 3000 puzzle games free including flash games , internet games , puzzle games , and all free online games. Home Game Categories Top Scores Bookmark Now! Set As My Homepage! All Flash Games All Download Games Game List A-Z Alien Shooter   The alien invasion has begun! Racing through offices, storehouses and mysterious labs, your mission is to clear the base at any cost. The game has two play modes: campaign and survival with two characters. With ten gigantic levels and 9 unique and extremely destructive weapons at your disposal, being the last hope of humanity has never been so exciting! Free Trial 20.54MB $19.95 - by Sigma Team Alien Shooter Screen Shots Alien Shooter System Requirements OS: Windows 98, Windows 2000, Windows XP, Windows Me, Windows NT Memory: 64MB Display: 3D Video Card CPU: 600Mhz Random Puzzle Games Games | Free Games | Free Online Games | Royal Casino Games | New Flash Games | Puzzle Flash Games | Super Flash Games | Dragon Flash Games Build Your Own Games | Flash Sports Games | Trademarks & Copyrights belong to their respective owners.