Since all these games are small and limited in colorscheme the maximum mark is 5 not 10. None of them is better then a 5 ina 10 point scale anyways.
So my marks would be:
Glaiel Gamer - 3/5 Intresting concept but still a primitive little game with nohing new to do but increase score until inevitable loss. Obviosly there are better games in the world where to practice better masterity so it's basicly useless.
True Darkness - 4/5 Only one of these games that is about completion and not endless score, which is good. I would give a 5/5 if would not hang up on blank screen after level 2. It looks like the author didn't even expect that anyone would bother and complete the hard 2nd level of this small game. If this game would have a 3rd level or at least an ending screen I would score this higher.
The mercenary - 1/5 If I am Death I would prefer to do more sinister things then catch candy. Another useless score hoarding game where you have no benchmark to judge is your score good or not, and catching candy is less fun then shooting monsters like in other games, so - last place.
Tomy Lee - 2/5 for making shooting Minigun (the best experiance in many Computer games) a chore. Why even have 4 different weapons when you can use the strongest (Minigun) all the time with unlimited ammo? Not only are you able to use the srongest weapon all the time you are forced to do so because this is the only weapon capable of dealing with the strongest monste combo. Also game is pointless score hoarding with minigun you can theoretically last forever but gets boring.
dieEVILsanta - 3/5 The main probles is that I found tank hard to control. If this game had more colors and many levels i would bother to endure the learning curve to master the controls and see other levels with different colors and enemies, but since I know that this is just endless score hoarding in the same room with same enemies till inevitable death I didn't bother to master controlling the tank.
Frosted Muffins - 5/5 best minigame here. Shooting zombies with shotgun is always fun, if I were to waste time in an endless score hoarding game then this is he most fun way to do it. Also it said in description to give another weapon after a certain number of kills so it had at least some goal other then endless growing of score. This game kept my intrest longer then all others until I got 100 kills which was moderatly chalenging and the other weapon, which was stronger but not that fun. This game also has 3 types of enemies, not counting different sized zombies which is more then any other game here. So this game wins this competition in my opinion for sure.