Cnakes was meant to be lightweight and very configurable game of snake with a twist, but it's not quite there yet. It's somewhat configurable, and quite lightweight, and it has a twist. 

Gameplay

• One game lasts 5 minutes
• Collect 'bugs' to grow your snake
• Eat yourself to score points
  • The longer you are, the larger the potential score
  • If you run into a wall, you still get points for eating yourself, but less then if you had eaten yourself by wrapping around yourself.

Features

• Very smooth snake movement
• Local High-Scores
• Configure any resolution you want.
• Configure game scale
• Game grid is generated based on resolution and the scale configured
  
• Configure game speed
• Ability to brighten the line that you're on, to help you align with the target.
• Full screen or windowed mode
• Keyboard support
• Controller support (tested only with Xbox 360 controller)
• Open Source 
  • Build it yourself if your platform is not in the download section.
    

Launch ubuntu version from terminal:
java -jar cnakes-*.jar

Configuration

You can configure game through configuration file (you have to run the game once first):
Windows:
Documents/My Games/cnakes/configuration.yaml
On Linux / Mac OS:
~/My Games/cnakes/configuration.yaml