EDF啊，拯救失去希望的世界吧。
西元2040年。以遭到外星侵略者襲擊而荒廢的地球為背景，描寫ＥＤＦ和士兵們不斷奮戰的動作TPS。和「地球防衛軍」數字系列作有著截然不同的世界觀，呈現出全新面貌的ＥＤＦ。這個世界，正等待著英雄。
●超過50個任務和5種難度
和侵略者之間陷入極度混戰。同時收錄超過50個與敵方巨大生物以及巨大侵略兵器戰鬥的任務，並有5種難度。
●4種機動步兵和武器兵器
玩家要操縱4種PA裝甲，化身為傳說中的機動步兵，使用數百種武器/兵器和裝備道具戰鬥。再次取回人類的希望。
●在戰場展露自我特色
搭載自訂角色機能。包括性別、長相、髮型、體型、聲音、服裝等，都能做細微的改變。連個性都可裝備。
●可離線或連線遊玩
支援分割畫面的離線遊玩。另外也支援和全世界的EDF隊員一起馳騁戰場的連線遊玩。
包含以下DLC:
EARTH DEFENSE FORCE: IRON RAIN – Operator Voice : Riho Futaba (Japanese voice only)
EARTH DEFENSE FORCE: IRON RAIN – Energy Gems & Credits “Type31500”
EARTH DEFENSE FORCE: IRON RAIN – Energy Gems & Credits “Type53000”
EARTH DEFENSE FORCE: IRON RAIN – Energy Gems & Credits “Type73000”
EARTH DEFENSE FORCE: IRON RAIN – DLC Mission : Golden Storm
EARTH DEFENSE FORCE: IRON RAIN – Weapon: GK-Predator
EARTH DEFENSE FORCE: IRON RAIN – Weapon: PT-Pythagoras
EARTH DEFENSE FORCE: IRON RAIN – Weapon: FX-Trailblazer
EARTH DEFENSE FORCE: IRON RAIN – Weapon: MR-Geo Needle
EARTH DEFENSE FORCE: IRON RAIN – Item: PR-Shaman
EARTH DEFENSE FORCE: IRON RAIN – Item: Wrapping Car
EARTH DEFENSE FORCE: IRON RAIN – Item: Wrapping Pickup Truck
EARTH DEFENSE FORCE: IRON RAIN – Item: Wrapping Bus
EARTH DEFENSE FORCE: IRON RAIN – Bunny Ears
EARTH DEFENSE FORCE: IRON RAIN – Welding Mask
EARTH DEFENSE FORCE: IRON RAIN – Military Cap
EARTH DEFENSE FORCE: IRON RAIN – Anarchy Helm
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-Shirt: EARTH DEFENSE FORCE: IRON RAIN
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-Shirt: EDF4.1 Ranger
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-Shirt: EDF4.1 Wing Diver
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-Shirt: EDF4.1 Fencer
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-Shirt: EDF4.1 Air Raider
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-Shirt: EDF5 Ranger
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-Shirt: EDF5 Wing Diver
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-Shirt: EDF5 Fencer
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-Shirt: EDF5 Air Raider
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: One Man Army
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: Tank Top ‘Riho Futaba’
EARTH DEFENSE FORCE: IRON RAIN – Cyber Goggles
EARTH DEFENSE FORCE: IRON RAIN – Sunglasses C
EARTH DEFENSE FORCE: IRON RAIN – Superhero Mask
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: Infantryman Pants
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: Pale Wing
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: Naval Uniform
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-Shirt: EDF4.1 Symbol
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-Shirt: EDF5 Symbol
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: Onechanbara ORIGIN
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-Shirt: Bullet Girls Phantasia
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-Shirt: Dream C Club ZERO
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-Shirt: SG/ZH
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-Shirt: HappyManager
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: Tank Top: Natsuiro High
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: Business Bundle
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: Bunny Costume Bundle
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: Full-Body Tights Bundle
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: Skeleton Costume Bundle
EARTH DEFENSE FORCE: IRON RAIN – Tactical Mask Bundle
EARTH DEFENSE FORCE: IRON RAIN – HMD
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: Bunny Costume Bundle
EARTH DEFENSE FORCE: IRON RAIN – DLC
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-shirt(EDF4.1 set Bundle)
EARTH DEFENSE FORCE: IRON RAIN – Creation parts: T-shirt(EDF5 set Bundle)