Brutalo Deluxe  
Sorry because I send second coment. But this game is Perfect(singleplayer). Very good engine, i play this game all free time!!! Please repair your multiplayer engine, because it's doesn't work. :/ Make next map too. :/ Make next version, please, because this game is very very good and fun!!!

Outgun  
Very good game ;D Yes, this screens is old and in the game graphics is better(shadows, antialising ! ). ;P But hasn't got more players online. :/