IT'S PLAGIAT??? Nooooo..... His take NextGen style.... and his engine is si baaaadly...
To your opinion it's plagiatism too?:
http://img233.imageshack.us/img233/2421/001it2.png
http://img233.imageshack.us/img233/9376/009kg1.png
http://img204.imageshack.us/img204/5869/007bn0.png
ADD: Sorry, tiles really ripped from your game... I'm not see this...