Xenosaga I & II has never been released for PC, so it has no PC system requirements. It came out on Nintendo DS.

Running Xenosaga I & II on a computer

A console game runs on a computer through an emulator, so the hardware it needs is the emulator's. You still need your own copy of the game.

melonDS

melonDS emulates Nintendo DS.

Supported systems

OS:
Windows (x64, ARM64), Linux (x64, ARM64), macOS (Universal), FreeBSD, NetBSD and OpenBSD (x64)

Source: https://melonds.kuribo64.net/downloads.php, read on 2026-09-12.

Where Xenosaga I & II can be played

Platforms: Nintendo DS.