Hydrophobia - Prophecy Puzzle Giveaway!

Hello there, this is my first Puzzle/giveaway :3. I bought a couple extra copy's of Hydrophobia - Prophecy when it was on sale just so I could do this xD.

Anyway I had a few friends help me with some questions that link to the giveaway, all you have to do is answer them then put them in order to get to my link :3.

The Format of the link is: http://www.steamgifts.com/giveaway/XxxXX

Now on to the questions!

1. (The Answer is Lowercased) Which computer role-playing game featured an immersive and interactive dungeon crawling experience rendered in three dimensions, but was released a couple of months before Wolfenstein 3D? (two words)(The first letter of the Answer)
2. (The Answer is Capitalized) what is the name of the only praying mantis to show up in the Pokemon series?
3. (The Answer is Lowercased) In borderlands what is the first letter of the comic relief robots name?
4. (The Answer is Capitalized) Cute, rideable dinosaur with it's own island
5. (This Answer is Capitalized) The first letter of a person who says "Got it Memorized?" Frequently.

Thank you so much Stephen, Sarah, Tom, Corey and myself for the questions ;P

Good Luck all!!! :D