Open Source Game Clones


Author's notes:
This site tries to gather open-source reimplementations of great old games in one place. Now it is very simple and if you think that some information is missing or have any suggestions - feel free to contact me by e-mail.

List of complete clones
1. Doom
2. Doom II
3. Heretic

4. Heroes of Might & Magic 2

5. Heroes of Might & Magic 3

6. Quake 3

7. Master of Orion 2

8. Theme Hospital

9. Transport Tycoon
10. Transport Tycoon Deluxe

11. X-COM: UFO Defence
12. UFO: Enemy Unknown

  • UFO: The Two Sides - active development. Unfortunately, it's not open source but freeware.

Inspired by original game series
1. Civilization Series
2. Dungeon Keeper

3. Master of Orion Series

4. X-COM Series
Last edited:
Top Bottom