All the Way Down is a Diablo 4 activity that recreates the original game's descent through Tristram Cathedral into Hell, reimagined within Diablo 4's engine and visual style. The mode pulls from significant moments across the Diablo series while maintaining the gameplay systems players know from the current entry.
The activity arrived as part of Diablo 4's ongoing content updates, offering a nostalgic tour through the classic dungeon structure that defined the franchise's opening chapter. Rather than a direct port, it adapts the familiar architecture and progression beats to fit Diablo 4's mechanics and presentation, giving players a way to experience that foundational descent in modern form.
via GamesRadar+
The new activity recreates "key moments from previous Diablo games, but built in D4's art style with D4's compelling gameplay"