- From the Grave to Glory: Join Zed on his quest to rise from his lowly status and challenge the God of Destruction. During his journey, he meets strange characters, discovers chaotic new worlds and learns about the power of brotherhood and determination.​
- Immortal and Unstoppable: Experience top-down tactical combat with crazy special attacks and a wide variety of allies. And when the going gets tough, use Super Reincarnation and keep trying until you win!
- An Underworld for Everyone: Play to your heart's content and even on the go! With customizable gameplay features like Auto, Retry, and Replay, the game offers a hell of a lifestyle-friendly experience for both new and returning players. Immersing yourself in the world of Diesgaea has never been easier!

Zed is a big-mouthed zombie who is at the bottom of the Underworld ladder along with his sister Bieko. When the God of Destruction threatens their "lives", Zed must use his unique ability Super Reincarnation and confront the threat. Along the way, he meets the strange and colorful inhabitants of the Underworld, faces challenges inside and out, and finds out if an immortal hooligan like him can turn his fate around!

Disgaea 6 Complete Deluxe Edition includes:
- Disgaea 6: Complete
- Tales of Super Reincarnation manga
- Defiance of Dissonance soundtrack CD