PSPACE-Hard 2D Super Mario Games: Thirteen Doors. - MIT Hardness Group; Hayashi Ani; Erik D. Demaine; Holden Hall; Matias Korman (FUN, 2024)

You Can't Solve These Super Mario Bros. Levels: Undecidable Mario Games. - MIT Hardness Group; Hayashi Ani; Erik D. Demaine; Holden Hall; Ricardo Ruiz; Naveen Venkat (FUN, 2024)

Tetris with Few Piece Types. - MIT Hardness Group; Erik D. Demaine; Holden Hall; Jeffery Li (FUN, 2024)