I´d be interested from which non free game you got the most value out, depending on the price you paid for it. For me those converted Adventure Games by iphsoft (Flight Of The Amazon Queen, Simon The Sorcerer 1, Simon The Sorcerer 2, Inherit The Earth) would be great candidates. Same goes for "Beneath A Steel Sky - Remastered" which i got for 79 Cent on Sale. They are not your typical iPhone Games, but they work very well on the Platform. Apart from those i´d like to list TanZen, Zentonimo and PathPix. They all feature numerous puzzles for a small price tag.
i really liked Gemmed. $1.99 and 75 levels + several other options for play. I definitely found it to be a deal.
I bought Beatrider while it had the $0.99 sale. Best purchase ever for me, since it created quality musical rhythm game out of any song I have, unlike some other apps that dish out DLC for "extra songs".
Maybe it was just low quality then. Beatrider is basically at the same quality as the other apps, except it has infinite songs instead of 5 or 10. I don't see any reason why anyone would rather buy the other stuff like Tap Tap Revenge, unless they're so lazy that they don't want to upload a song or something.
I played Unblock Me Free for a while some time ago. I started having anxiety attacks at times when I couldn't move some blocks. Had to delete it. Back on topic. I gotta say Defender Chronicles. Goth only knows how many hours I have spent on that game. Just noticed there's a new update with more content, so I won't be quitting for a while now.
Hahaha damn that sucks. When I first got it I got frustrated but after awhile I got used to it, focused more on what key block needed to be moved in order to progress. So far I think I've only completed like 340 puzzles though..I mostly only play it in my morning classes
Listing the prize I got them for CJS - $1 Toki Tori - $1 BIA - $1 PS : I presume you are aware of appvent EDIT : Try this one
+1 for Beatrider and Unblock Me (though I actually just have 'Blocked' but it's the same thing). Got both for $.99 and have put lots of time into both. I got iSpades for $.99 on sale and that is my most played game on this platform ever since they updated it with multiplayer.
Three games I've played more than most other video games short of MMORPG's: -Doodle Jump -Canabalt -Bejeweled