Download eclipse from http://eclipse.org

Please choose eclipse marketplace and find subclipse for SVN

[File] → [New] → [Other] → [SVN]

Choose 'Checkout projects from SVN' and Press “Next”

Enter [http://marioai.googlecode.com/svn/trunk] as a repository

Once again, press [http://marioai.googlecode.com/trunk] and “Next”

Choose 'Check out as a project configured using the New Project Wizard' and Finish

[Java] → [Java Project] and “Next”

Project Name as 'MarioAI'

Choose 'Use project folder as root for sources and class files' and “Next”

In the next window, press 'Configure inclusion and exclusion filters' in 'Details'

In 'Inclusion' Window, press 'Add' and enter [“.lvl” “.dat”] and finish

Finish

In the Project Tree Structure, Choose SRC folder and [right mouse button click] → [Build Path] → [Use as source folder] → [OK]

[Project] → [Build All]

Press 'Run'

Press 'Run'