Coloratura - If you recall old scifi-horror movies where scientists find an alien, study it, then all die, well, here's your chance to be the alien. Change moods psychically by changing the color of humans' auras.
Colossal Cave Adventure by Crowther and Woods -- First text game ever made. Walkthrough here.
Zork - One of the most famous text-games of all time, by the most famous text game company, Infocom. Walkthrough here.
Blue Lacuna by Aaron Reed - Modern text-game about a man that paints pictures that link to other worlds. Walkthrough here.
The Oregon Trail - Not a text game, but educational and worth your time.
Super Mario Bros (Potentially Influenced by Alice's Adventures in Wonderland)
Aegean Voyage - Relating to Unit 2 - Ancient Greece and Rome, in my English II / 10th Grade English Class (must set virtual joystick to "joystick keyboard 2 ->Player 2" in order to play. Look up treasures and monsters as you encounter them, to see their relation to ancient mythology and literature.