Mobile game · 2004

Shin Megami Tensei: 20XX

Shin Megami Tensei: 20XX is a Japanese cellphone game, created as a prequel to Shin Megami Tensei II, showing what happened in Valhalla before Aleph was born.

Aug 26, 2004Legacy Mobile Device

Role-playing (RPG)

Community activity

Last checked Aug 9, 2026

Community signals

How many people gather around Shin Megami Tensei: 20XX outside the stores — members, subscribers and live viewers.

Twitch viewers

Live channels: 0

First reading taken Aug 9, 2026 — the chart appears once there are two.

Not tracked for Shin Megami Tensei: 20XX: Google Play, App Store, Steam, Discord, Reddit, YouTube. A platform appears here once the game has a link to it — most mobile games have no Steam port or subreddit, so a gap is normal rather than a sign the game is small.

Storyline

During the year 199X, the sudden appearance of a large number of demons threw Tokyo into a state of chaos. Seeing this, the ambassador of the United States of America, Thorman, initiated an ICBM strike intended to wipe out the demons in one fell sweep, which caused the destruction of Tokyo in the process. 30 years later, with the completion of the Order of Messiah's Cathedral, the Messian's victory was finally guaranteed. At the end of the conflict, those who survived were gathered as one within the Cathedral, and after many decades, what was once known as Tokyo came to be reinvented as "Tokyo Millennium". It's here that one day, living in the slums of Valhalla, a young delinquent received a COMP from a strange man...