Games like Xenoslaive Overdrive
Games like Xenoslaive Overdrive include BALL x PIT, Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil, Nova Drift, Bit Blaster XL, and Furi. We matched them by the tags players give Xenoslaive Overdrive on Steam (Action, Shoot 'Em Up, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

BALL x PIT
Shared: Action · Bullet Hell · Shoot 'Em Up

Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Shoot 'Em Up · Bullet Hell · Action

Nova Drift
Shared: Shoot 'Em Up · Bullet Hell · Action

Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Action

Furi
Shared: Bullet Hell · Shoot 'Em Up · Action

Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Shoot 'Em Up · Action · Bullet Hell

Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Bullet Hell

Ikaruga
Shared: Shoot 'Em Up · Bullet Hell · Action

Star Saviors
Shared: Shoot 'Em Up · Action · Bullet Hell

20 Minutes Till Dawn
Shared: Bullet Hell · Shoot 'Em Up · Action

ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Action

Revolution Ace
Shared: Action · Shoot 'Em Up · Bullet Hell

Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Action

Mushihimesama
Shared: Shoot 'Em Up · Bullet Hell · Action

LUFTRAUSERS
Shared: Bullet Hell · Action · Shoot 'Em Up

Touhou Juuouen 〜 Unfinished Dream of All Living Ghost.
Shared: Action · Shoot 'Em Up · Bullet Hell

Star of Providence
Shared: Bullet Hell · Shoot 'Em Up · Action

Touhou Fuujinroku ~ Mountain of Faith.
Shared: Action · Bullet Hell · Shoot 'Em Up

The Void Rains Upon Her Heart
Shared: Bullet Hell · Shoot 'Em Up · Action

TouHou Makuka Sai ~ Fantastic Danmaku Festival Part II
Shared: Bullet Hell · Shoot 'Em Up · Action

TouHou Makuka Sai ~ Fantastic Danmaku Festival
Shared: Action · Bullet Hell · Shoot 'Em Up

Geometry Wars™ 3: Dimensions Evolved
Shared: Action · Shoot 'Em Up · Bullet Hell

Savant - Ascent
Shared: Action · Shoot 'Em Up · Bullet Hell

BLUE REVOLVER
Shared: Shoot 'Em Up · Bullet Hell · Action