Games like EARTH DEFENSE FORCE: IRON RAIN
Games like EARTH DEFENSE FORCE: IRON RAIN include HELLDIVERS™ 2, EARTH DEFENSE FORCE 5, EARTH DEFENSE FORCE 4.1 The Shadow of New Despair, Gears 5, and EARTH DEFENSE FORCE 6. We matched them by the tags players give EARTH DEFENSE FORCE: IRON RAIN on Steam (Action, Third-Person Shooter, Gore, Violent, and Mechs): closest matches first, and among equally close ones the better-known games.

HELLDIVERS™ 2
Shared: Third-Person Shooter · Action · Multiplayer

EARTH DEFENSE FORCE 5
Shared: Action · Third-Person Shooter · Mechs

EARTH DEFENSE FORCE 4.1 The Shadow of New Despair
Shared: Action · Third-Person Shooter · Mechs

Gears 5
Shared: Action · Third-Person Shooter · Multiplayer

EARTH DEFENSE FORCE 6
Shared: Action · Third-Person Shooter · Online Co-Op

Dead by Daylight
Shared: Gore · Multiplayer · Violent

OUTRIDERS
Shared: Third-Person Shooter · Action · Co-op

Warhammer 40,000: Space Marine - Anniversary Edition
Shared: Action · Third-Person Shooter · Gore

Aliens: Fireteam Elite
Shared: Action · Third-Person Shooter · Co-op

Risk of Rain 2
Shared: Third-Person Shooter · Action · Multiplayer

Left 4 Dead 2
Shared: Action · Multiplayer · Co-op

PUBG: BATTLEGROUNDS
Shared: Third-Person Shooter · Action · Multiplayer

Serious Sam 3: BFE
Shared: Action · Gore · Co-op

Warhammer 40,000: Space Marine 2
Shared: Action · Third-Person Shooter · Multiplayer

Resident Evil 6
Shared: Action · Third-Person Shooter · Co-op

STAR WARS™ Battlefront™ II
Shared: Third-Person Shooter · Multiplayer · Action

Resident Evil 5
Shared: Action · Third-Person Shooter · Co-op

Gears of War: E-Day
Shared: Action · Gore · Third-Person Shooter

DOOM Eternal
Shared: Action · Gore · Violent

Remnant: From the Ashes
Shared: Action · Third-Person Shooter · Co-op

Back 4 Blood
Shared: Gore · Multiplayer · Action

Space Hulk: Deathwing - Enhanced Edition
Shared: Action · Co-op · Multiplayer

World War Z
Shared: Action · Multiplayer · Third-Person Shooter

Mortal Kombat 11
Shared: Gore · Action · Violent