Games like TCSTRIKERS3
Games like TCSTRIKERS3 include Vampire Survivors, LUFTRAUSERS, Planes, Bullets and Vodka, Exit the Gungeon, and Cyberhunt. We matched them by the tags players give TCSTRIKERS3 on Steam (Shoot 'Em Up, Bullet Hell, 2D, Action, and Funny): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · 2D · Indie

LUFTRAUSERS
Shared: Bullet Hell · Indie · Action

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

Exit the Gungeon
Shared: Action · Bullet Hell · Indie

Cyberhunt
Shared: Action · Shoot 'Em Up · Indie

Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · 2D

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

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

Broforce
Shared: Action · 2D · Indie

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

Dungeon Munchies
Shared: Action · Indie · Funny

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

Timberman
Shared: Action · 2D · Indie

DRAINUS
Shared: Shoot 'Em Up · Action · 2D

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

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

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

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

Enter the Gungeon
Shared: Bullet Hell · Indie · 2D

UFO 50
Shared: Indie · Action · 2D

DELTARUNE
Shared: Funny · Bullet Hell · 2D

METAL SLUG
Shared: Action · 2D · Shoot 'Em Up

Shovel Knight: Treasure Trove
Shared: 2D · Indie · Action

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