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.

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.

Smaller eastereggs and references

 * Baten Kaitos: Eternal Wings and the Lost Ocean has the Magnus "Rare Action Figure". It depicts KOS-MOS. The Gnosis also appear as a boss fight and you can turn it into a Magnus.
 * Xenogears is mentioned in Final Fantasy VII.