At first I thought you would get a huge advantage by paying. Then I realized the highest pack cost $1000. Even low-tier packs are ridiculously expensive. (However, this is GOOD! 1. Only idiots will get the largest packs, and 2. paying doesn't give you THAT much of an advantage!)
Not particularly hard to beat. I only had trouble getting started in The Bowl, but once you get into a state of equilibrium with the creeper (ie. they aren't spreading anymore) it's only a matter of getting through the map as quickly as possible for a higher score. 5/5 for simple, fun gameplay.
Incredibly short, but otherwise a good game. Good balance of "action" and "puzzle" sections. Some bugs. - Also, for the teleporter part, you're not supposed to get into it. Run away the other direction.
Great artistic vision. I love the art and music choice. The game is also a fun exploration game with little punishment, making for a calm game. I love it. Also... 20851.
If by "lag" you mean "your computer is over 20 years old" then yes, it is very laggy.
The graphics don't suck, it's an art style. HD gamers who can only handle Halo 3 and Gears of War and Alan Wake and Uncharted 2, etc etc, wouldn't understand.
What a boring game, needing very little thought and simply a lot of will power to get through it. Luckily for level 25, I ended up getting the ball to go up and down perfectly vertically... it still took forever without me doing anything, I can't imagine doing it any other way. 2/5
 "Treadmillasaurus Rex"){kind=icon}
 "Flight"){kind=icon}
 "Loved"){kind=icon}
 "Great Game 1/5"){kind=icon}
 "Caesary"){kind=icon}
 "Creeper World Training Sim"){kind=icon}
 "Vox Populi, Vox Dei(a werewolf thriller)"){kind=icon}
 "Shootorial #1"){kind=icon}
 "GeoSketch"){kind=icon}
 "Demolition City"){kind=icon}
 "Super Xtreme 5 Minute Shoot Em Up"){kind=icon}
 "Splitter 2"){kind=icon}
 "William and Sly"){kind=icon}
 "MoneySeize"){kind=icon}
 "Hedgehog Launch 2"){kind=icon}
 "UPGRADE COMPLETE!"){kind=icon}
 "Post it Draw it"){kind=icon}
 "me and the key"){kind=icon}