Absolutely, I'm trying to follow the so called "try before buy" pattern. The demo can be downloaded on the main site but here's the direct download link:http://codergames.com/downloads/index/1/InvaderAttack.exe
Here's a sample of a game play:http://codergames.com/news/games/pc-computer-arcade-machine-invader-attack-game/
Thanks for your interest! I would love to hear back from you, your impression, likes and dislikes. Many people sent me email about how they were surprised by the quality of the game, they assumed the game is nothing special because of the low price.