Games like Invasion Resistance 2
Games like Invasion Resistance 2 include Half-Life 2, BioShock Infinite, VLADiK BRUTAL, Ready or Not, and Black Mesa. We matched them by the tags players give Invasion Resistance 2 on Steam (Action, Adventure, Action-Adventure, Shooter, and FPS): closest matches first, and among equally close ones the better-known games.

Half-Life 2
Shared: Action · FPS · Shooter

BioShock Infinite
Shared: Action · Shooter · FPS

VLADiK BRUTAL
Shared: Action · Shooter · FPS

Ready or Not
Shared: Shooter · FPS · Realistic

Black Mesa
Shared: Action · FPS · First-Person

Atomic Heart
Shared: Adventure · Action · FPS

Call of Duty®: Black Ops III
Shared: Action · Shooter · FPS

Crysis Remastered
Shared: Action · Shooter · FPS

Far Cry® 5
Shared: Action-Adventure · FPS · Shooter

Far Cry® 6
Shared: Action-Adventure · FPS · Action

Titanfall® 2
Shared: FPS · Shooter · Action

Half-Life: Opposing Force
Shared: Action · FPS · Shooter

Battlefield™ 2042
Shared: FPS · Shooter · Action

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

Call of Duty®
Shared: Action · FPS · Shooter

Half-Life
Shared: FPS · Action · Shooter

Halo Infinite
Shared: Action · FPS · Shooter

High On Life
Shared: Adventure · FPS · Action-Adventure

Apex Legends™
Shared: Shooter · FPS · Action

Far Cry 3
Shared: Action · Adventure · FPS

Necromunda: Hired Gun
Shared: Action · Adventure · Shooter

RoboCop: Rogue City
Shared: Action · FPS · First-Person

Crysis 3 Remastered
Shared: Action · Shooter · FPS

Crysis 2 Remastered
Shared: Action · Shooter · FPS