- Ninjadoodle.com
- Kizi.com
- Miniclip.com
- Fancy Pants Adventure 1 by Brad Borne, at MiniClip.com
- Fancy Pants Adventure 2 by Brad Borne, MiniClip.com
Physics games:
- See Logic Puzzles
Online virtual "worlds" for kids/Multiplayer games:
- Disney's Club Penguin
- JumpStart by Knowledge Adventure
- The World of Miamiopia by KidsKnowIt Networks
- The Travels of Wiglington and Wenks - history and geography theme
Historic:
- Colossal Cave Adventure, the first text "interactive fiction" game. You are in a twisty maze of passages, all alike...
- at Web-adventures.org
- Rick Adams' Adventure page
- Want to write your own? Twine is an open-source tool for telling interactive, nonlinear stories
