Treasure World 1.5 TsucnenT's Nightmare is a extreme extreme mini hack made by Yuya, harasy and Rambi_Rampage.
This hack features a variety of buffed levels from Super Mario Treasure World. As such, textures and object placements have been changed to reflect the increased difficulty of the stage, even their stage names having a reference to Super Mario Treasure World: Dream Edition.
In v1.0, this hack used to have 2 Stars, one in the Overworld and one in TsucnenT's Despair, which requires 1 Star to enter. As of the v2.0 update, more levels have been added with increases the total amount of Stars to 38.