The VGLC
The Video Game Level Corpus
A corpus of video game levels in easily parseable formats by Adam Summerville, Sam Snodgrass, Michael Mateas, and Santiago Ontañón described at http://arxiv.org/abs/1606.07487 .
If you use this for academic work please cite
@article{VGLC,
Author = {Adam James Summerville and Sam Snodgrass and Michael Mateas and Santiago Onta~{n}'{o}n Villar},
Title = {The VGLC: The Video Game Level Corpus},
Year = {2016},
Journal = {Proceedings of the 7th Workshop on Procedural Content Generation},
}