To do runs for single levels for the main adventures, just click the corresponding link to have it open in-game:

Tutorial: This zone looks familiar: https://www.mtoh.fun/getLevelLink.php?levelid=544 Nice shot, Epicus: https://www.mtoh.fun/getLevelLink.php?levelid=545 You are NOT immortal!: https://www.mtoh.fun/getLevelLink.php?levelid=546

Road to Delphi: Delfos I: https://www.mtoh.fun/getLevelLink.php?levelid=567 Delfos II-A: https://www.mtoh.fun/getLevelLink.php?levelid=568 Delfos II-B: https://www.mtoh.fun/getLevelLink.php?levelid=569 Delfos III: https://www.mtoh.fun/getLevelLink.php?levelid=571 Delfos IV: https://www.mtoh.fun/getLevelLink.php?levelid=572 Delfos V: https://www.mtoh.fun/getLevelLink.php?levelid=585

The House of Beni: House of Beni I: https://www.mtoh.fun/getLevelLink.php?levelid=552 House of Beni II - The Cave: https://www.mtoh.fun/getLevelLink.php?levelid=549 House of Beni III - The Forest: https://www.mtoh.fun/getLevelLink.php?levelid=550 House of Beni IV - The Valley: https://www.mtoh.fun/getLevelLink.php?levelid=551

The Scrolls: The Scrolls 1: https://www.mtoh.fun/getLevelLink.php?levelid=612 The Scrolls 2: https://www.mtoh.fun/getLevelLink.php?levelid=611 The Scrolls 3: https://www.mtoh.fun/getLevelLink.php?levelid=614

It Won't Be Easy: It Won't Be Easy: https://www.mtoh.fun/getLevelLink.php?levelid=598 It Won't Be Easy II: https://www.mtoh.fun/getLevelLink.php?levelid=599 It Won't Be Easy III: https://www.mtoh.fun/getLevelLink.php?levelid=600

Special thanks to Cuttyflame for finding the links to these levels!