My vote goes to "Typing Tiles"

Lots of nice entries, though some of them could use a little more work (adding a game menu etc.).
I rated all the entries on different factors from 1 to 10, and the top5 on my list got the following overall ratings:
1. TypingTiles - 9,25
2. Text Effects - 9
3. Super Mario - 8,75
3. Worm Dieder - 8,75
3. OMGman - 8,75
A few comments (didn't take my time to comment on all entries, sorry):
Typing Tiles - a game with a simple and nice concept (a bit like the game "typer-shark"). I chose it due to the fact, that it had a simple game menu, instead of just starting right away (like many of the other entries) and by telling the user what to do/controls - which many of the entries didn't. Had had to choose one, and as all of the entries were great, this is the little thing that made me choose it.
This game proves that Gamestudio/Lite-C is fully capable for making professional 2D games.
omgman - I really enjoyed this one, but it seems a bit unfinished due to the lack of a menu system. If a nice menu system was added, it would be my favourite
Invisible Shadow - a nice game, with very nice graphics! It's just a bit buggy though (as when I complete the level and return to the menu, the player and he bad guy is still being visible). The "combat system" might as well need a little more work.
Text Effects - Simply amazing work

It's not a game, making it a bit hard to compare to the other entries. However it's a nice coding job, and you really got my respect for that.
Little 2D Game - Very nice looking game, but it really seems unfinished

1. The main program is called 'main.c'
(with some games, I just gave up bothering to find the main file to run it)
2. All programs must have a help file.
( eg. 2d_physics looks interesting but I just don't know how to play it ??)
3. Code comments in English, where possible
( Everyone speaks some English ... don't they ?)
1. Yes, unless it's compiled into an exe-file.
2. Agreed.
3. Would be nice, but shouldn't be necessary in my opinion - not everyone even uses comments.