Rahul Mehta. 2048 is (PSPACE) Hard, but Sometimes Easy. Electronic Colloquium on Computational Complexity (ECCC), 21:116, 2014. [doi]
@article{Mehta14-1, title = {2048 is (PSPACE) Hard, but Sometimes Easy}, author = {Rahul Mehta}, year = {2014}, url = {http://eccc.hpi-web.de/report/2014/116}, researchr = {https://researchr.org/publication/Mehta14-1}, cites = {0}, citedby = {0}, journal = {Electronic Colloquium on Computational Complexity (ECCC)}, volume = {21}, pages = {116}, }