GameJamboree.com: Coffee Break Worm
- Screen shot and download link. [Windows 95/98/ME/2000/XP]
- http://www.gamejamboree.com/download-Coffee-Break-Worm.html

n3310 snake
- .NET clone. Includes source code.
- http://www.dodd.republika.pl/n3310_snake/

SnakeMe
- Classic multiplayer Snake game, 1 to 4 players. Includes a level editor. Source code available, GPL. [Windows, Linux, Mac, BeOS]
- http://ysagoon.com/snakeme/

Nuclear Nibbles
- A 3D Nibbles clone. History of the making of the game, screenshots, reviews. Source code available. [Windows]
- http://www.nuloen.com/nn3d.html

SNOK
- A 3D first person multiplayer Snake game. Level editor [Windows]
- http://www.tihlde.org/~torbjorv/snok/

Snake2
- Multiplayer remake of the Nibbles game, 1 to 2 players. 50 maps, level editor. [Windows]
- http://www.snake2.com

Pizdjoski
- Multiplayer Snake using capture the flag rules, 1 to 4 players. Source code available. [DOS, Linux]
- http://www.mobilnews.cz/worms/

Snake Quest
- Played on a large field. Includes level editor, extra level sets and a help forum. [Mac]
- http://www.snakequest.com/

Heroes
- Action game similar to Snakes. Maneuver small vehicle collecting powerpoints while avoiding obstacles. Source code available, GPL. [Windows, Linux, FreeBSD, BeOS]
- http://heroes.sourceforge.net/