Games like Anti-Invasion Warfare
Games like Anti-Invasion Warfare include MULLET MADJACK, My Friend Pedro, CULTIC, KovaaK's, and Selaco. We matched them by the tags players give Anti-Invasion Warfare on Steam (Action, Shooter, Boomer Shooter, Bullet Hell, and 2.5D): closest matches first, and among equally close ones the better-known games.

MULLET MADJACK
Shared: Boomer Shooter · Action · Shooter

My Friend Pedro
Shared: Action · Shooter · Indie

CULTIC
Shared: Boomer Shooter · Shooter · Action

KovaaK's
Shared: Action · Shooter · Indie

Selaco
Shared: Shooter · Action · Boomer Shooter

Project Warlock II
Shared: Shooter · Boomer Shooter · Action

Black Mesa
Shared: Action · Shooter · Singleplayer

Turbo Overkill
Shared: Action · Boomer Shooter · Shooter

Serious Sam: Siberian Mayhem
Shared: Action · Boomer Shooter · Shooter

Megabonk
Shared: Bullet Hell · Action · Indie

Forgive Me Father
Shared: Boomer Shooter · Action · Shooter

Aimlabs
Shared: Shooter · Action · Score Attack

Call of Duty®
Shared: Shooter · Action · Singleplayer

Trepang2
Shared: Shooter · Action · Singleplayer

Vampire Survivors
Shared: Bullet Hell · Action · Indie

Half-Life 2
Shared: Action · Shooter · Singleplayer

BioShock Infinite
Shared: Action · Shooter · Singleplayer

Bloodshed
Shared: Action · Boomer Shooter · Bullet Hell

Grand Theft Auto V Legacy
Shared: Action · Shooter · Singleplayer

MOUSE: P.I. For Hire
Shared: Action · Boomer Shooter · Shooter

Warhammer 40,000: Boltgun
Shared: Boomer Shooter · Shooter · Action

Bright Memory: Infinite
Shared: Action · Shooter · Indie

HROT
Shared: Boomer Shooter · Shooter · Action

Half-Life: Blue Shift
Shared: Action · Shooter · Aliens