List of Xeno series crossovers

This is a page listing all Xeno series crossovers in non-Xeno games.

Super Smash Bros. Series
Shulk is a playable fighter in Super Smash Bros. for Nintendo 3DS, Super Smash Bros. for Wii U and Super Smash Bros. Ultimate.

Namco X Capcom
KOS-MOS as well as Shion and MOMO are playable. Allen also appears in a cutscene. The Gnosis appear as enemies. The Xenosaga Battle Theme was remixed for Namco X Capcom.

Project X Zone
KOS-MOS and T-elos are playable in this game.

Project X Zone 2
KOS-MOS and Fiora are playable. T-elos and Metal Face appear as enemies.

Tales series
Multiple games in the Tales series have attacks called X-BUSTER or Cross Buster, a reference to KOS-MOS' attack.

Tales of Vesperia
All versions except for the original Xbox 360 version have an unlockable KOS-MOS costume.

Soul Calibur 3
KOS-MOS is playable.

The Legend of Zelda: Breath of the Wild
A Rex costume can be obtained for Link.

Super Mario Maker
Shulk can be used in a level if his Amiibo is scanned. He has two voice lines, both from the Japanese version of Xenoblade Chronicles regardless of language. Holding Up has him pose with the Monado, and the course clear music is replaced with the fanfare of discovering a Secret Area.

Puzzle Swap
Puzzle Swap on the Nintendo 3DS has a 40-piece Xenoblade Chronicles puzzle. It shows the Mechonis more or less like how it is depicted onthe game's cover art, but several Nopon and a Collection Orb can be seen too.

Minor eastereggs and references

 * Baten Kaitos: Eternal Wings and the Lost Ocean has the Magnus "Rare Action Figure" which depicts the KOS-MOS figure that came with the japanese limited edition of Xenosaga Episode I. The Gnosis also appear as a boss fight and you can turn it into a Magnus.
 * Xenogears is mentioned in Final Fantasy VII.