Single-player games like Gun Metal
Below are 19 single-player Steam games similar to Gun Metal, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Gun Metal page.
Ranked picks
- 1

Havoc Runner
Single-player alternative to Gun Metal — playable solo, no multiplayer required. Shares Action with Gun Metal.
"Havoc Runner" is a futuristic action and 2D platform game that will take you to Titan's moon to face killers robots, missile launchers, and automated weapons in a hostile environment where you must find and destroy the Tupan computer, preventing a missile attack on the planets of the solar system.
- 2

VersionThree : INVISIBLE RAID
Single-player alternative to Gun Metal — playable solo, no multiplayer required. Shares Action with Gun Metal.
Authentic Customizable Mech Action Game. Customize the combat mech "V3" and run through the battlefield!
- 3

Lost Planet™: Extreme Condition
Single-player alternative to Gun Metal — playable solo, no multiplayer required. Shares Action with Gun Metal.
Driven to the brink of extinction on ice-covered wastelands, humankind fights to survive. Battle to survive against gargantuan alien Akrid and treacherous Snow Pirates on the vast and frozen landscape of EDN III.
- 4

Front Mission Evolved
Single-player alternative to Gun Metal — playable solo, no multiplayer required. Shares Action with Gun Metal.
Experience piloting and customizing massive armored units called Wanzers while engaging in high-intensity battles driven by a compelling story. The battle begins now!
- 5

PUNIHI LOADER 2
Single-player alternative to Gun Metal — playable solo, no multiplayer required. Shares Action with Gun Metal.
"PUNIHI LOADER 2" is customizable mecha third-person shooter in which the one-headed mysterious cute creature "Punihi" rides and fights in unique mecha. Customize your mecha by combining over 150 parts. You can also change the clothes of "Punihi". Create your own ultimate mecha.
- 6

CUSTOM MECH WARS
Single-player alternative to Gun Metal — playable solo, no multiplayer required. Shares Action with Gun Metal.
Take customization to the extreme with the Omega Customization System and battle with one-of-a-kind combat units in this all-new third-person shooter mecha game.
- 7

EARTH DEFENSE FORCE 4.1 The Shadow of New Despair
Single-player alternative to Gun Metal — playable solo, no multiplayer required. Shares Action with Gun Metal.
It's a fight for the future of the planet between the Ravagers, a merciless swarm of alien invaders, and the Earth Defense Force (EDF) in this third-person shooter.Play as four different classes in over 80 missions with a range of 800 weapons at your disposal.Co-op play supported.
- 8

Vanquish
Single-player alternative to Gun Metal — playable solo, no multiplayer required. Shares Action with Gun Metal.
PlatinumGames’ revolutionary sci-fi action shooter slide-boosts onto PC. Battle legions of future-tech enemies using a vast arsenal of weapons, including all DLC. Fully unlocked framerate and gorgeous HD resolutions up to 4K. The definitive way to play: war has accelerated.
- 9

Zoombinis
Single-player alternative to Gun Metal — playable solo, no multiplayer required.
In the entertaining and educational game Zoombinis, players guide the little blue creatures through fun and increasingly challenging puzzles on their way to a new home.
- 10

MechWarrior 5: Mercenaries
Single-player alternative to Gun Metal — playable solo, no multiplayer required. Shares Action with Gun Metal.
The year is 3015. The battlefields are dominated by war machines known as BattleMechs. Level entire cities and decimate the enemy in your BattleMech. Follow a quest for glory and revenge. Manage an expanding mercenary company. Fight alongside your friends with a four-player PvE co-op.
- 11

MACROSS -Shooting Insight-
Single-player alternative to Gun Metal — playable solo, no multiplayer required. Shares Action with Gun Metal.
Introducing an all-new Macross game, the latest entry in the landmark science fiction franchise! Embark upon a galaxy-spanning mission to rescue the missing songstresses!
- 12

Hostile Waters: Antaeus Rising
Single-player alternative to Gun Metal — playable solo, no multiplayer required.
In 2032 an Earth that knows only peace is forced to relearn the art of war. Twenty years have passed since the population of Earth did a fine job of destroying nearly everything in one final struggle for power by the politicians and military leaders.
- 13

Eurofighter Typhoon
Single-player alternative to Gun Metal — playable solo, no multiplayer required. Shares Action with Gun Metal.
In Eurofighter Typhoon, you are flying the famous Eurofighter on top of Iceland to fight against Russian troops which invade the country and prevent the outbreak of World War III. Quickly outnumbered, the ICEFOR has been abandoned by NATO but has been able to deploy a small number of the new Typhoon aircraft.
- 14

Incoming + Incoming Forces
Single-player alternative to Gun Metal — playable solo, no multiplayer required. Shares Action with Gun Metal.
Prepare for one of the most action packed-shooters in PC gaming history! Every level is full of enemies and targets for you to destroy! You will become a soldier of the alien species and protect your home world from the forces of the Human armada.
- 15

Expendable
Single-player alternative to Gun Metal — playable solo, no multiplayer required. Shares Action with Gun Metal.
Somewhere in the future a hostile alien race conquers most of the galaxy. Scientists developed the “Millennium Soldier” project by cloning two super-soldiers. Armed with blasters they will battle scores of monsters, robots and boss aliens to save us and get a well-earned reward.
- 16

Mobile Forces
Single-player alternative to Gun Metal — playable solo, no multiplayer required. Shares Action with Gun Metal.
Mobile Forces is a first person shooter game where you battle against the opposing AI team or against your friends over a LAN network.
- 17

Off-Road: Redneck Racing
Single-player alternative to Gun Metal — playable solo, no multiplayer required. Shares Action with Gun Metal.
Yeehah! Stop yer grinnin' and drop yer linen, cause the slam bangin'est, mud-flappin'est off-road driving game ever created is comin' to Steam! Motor trucks 'n Buggies over the most brutal Southland terrain ever seen in a racing game.
- 18

Savage Arena: Dead Ball Zone
Single-player alternative to Gun Metal — playable solo, no multiplayer required.
Savage Arena: Dead Ball Zone is a futuristic all-out action sports game, which seamlessly combines frenetic sporting action, brutal special moves, and quick draw weaponry to deliver addictive, balls-out arcade style gameplay.
- 19

Midnight GT: Primary Racer
Single-player alternative to Gun Metal — playable solo, no multiplayer required.
Take control of the streets of Japan in Midnight GT: Primary Racer. Race along country back roads or tight city streets and work your way up in the world. The only way to new places is to win!