A framework for analysis of 2D platformer levels. - Gillian Smith 001; Mee Cha; Jim Whitehead (Sandbox@SIGGRAPH, 2008)

Launchpad: A Rhythm-Based Level Generator for 2-D Platformers. - Gillian Smith 001; Jim Whitehead; Michael Mateas; Mike Treanor; Jameka March; Mee Cha (IEEE Trans. Comput. Intell. AI Games, 2011)