Finally finished our free browser based incremental game (for desktop/laptop):
http://idlekiller.com (with full hd gfx, audio, and story).
Got a lot of good feedback (and traffic) from http://www.reddit.com/r/incremental_games/ today.
A big thanks to all the nice people here, who's been very helpful answering questions And thanks to Scirra for a great engine (I'd really like if I could just get one tick/sec when tab is inactive).
I'd be grateful for any help sharing the game.
A couple of screens: