Phobos

Phobos trivia questions

1. In 1993's Doom, what role does the player control?
2. In 1993's Doom, where does the game begin before hell?
3. Which company developed and published 1993's Doom?
4. Which programmer led the new 3D engine for 1993's Doom?
5. Which designer's original sci-fi story was mostly removed?
6. Which shareware episode of 1993's Doom was released free?
7. What 1995 retail release added a fourth episode to Doom?
8. Which 1992 id game came right before 1993's Doom?
9. In 2007, what institution selected Doom for preservation?