Single-player games like Gunmetal Arcadia
Below are 16 single-player Steam games similar to Gunmetal Arcadia, 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 Gunmetal Arcadia page.
Ranked picks
- 1

30XX
Single-player alternative to Gunmetal Arcadia — playable solo, no multiplayer required. Shares Action and Indie with Gunmetal Arcadia.
Jump, shoot, and slash your way through 30XX, the roguelike action platformer you can play with a friend! Explore lush, ever-changing worlds that mix precise platforming with fevered combat. Destroy fearsome Guardians. Master unique Powers. Rediscover the thousand years we've lost.
- 2

Dungreed
Single-player alternative to Gunmetal Arcadia — playable solo, no multiplayer required. Shares Action and Indie with Gunmetal Arcadia.
Dungreed is a 2D side-scrolling action game with 2D Rogue-LITE elements. You become an adventurer exploring a continuously evolving dungeon to prevent the town from being destroyed. Eliminate enemies, use a variety of weapons and magic, eat food, and defeat evil in the dungeon!
- 3

Shadow of the Depth
Single-player alternative to Gunmetal Arcadia — playable solo, no multiplayer required. Shares Action and Indie with Gunmetal Arcadia.
Shadow of the Depth is a top-down action Roguelite game. Delve into a dungeon world of light and shadow to eradicate the monsters that ravage your home. Be prepared to step into the abyss before you!
- 4

BELOW
Single-player alternative to Gunmetal Arcadia — playable solo, no multiplayer required. Shares Action and Indie with Gunmetal Arcadia.
BELOW is a solitary journey through the haunted depths of a forbidden isle. Explore. Survive. Discover.
- 5

Wally and the FANTASTIC PREDATORS
Single-player alternative to Gunmetal Arcadia — playable solo, no multiplayer required. Shares Action and Indie with Gunmetal Arcadia.
Your best friend wants to cheer you up, so he tries his best to make a dungeon for you to explore. Explore his wholesome, weird-as-heck, scrappy rogue-lite oozing with charm and humor for 1-2 Players.
- 6

Lost Castle / 失落城堡
Single-player alternative to Gunmetal Arcadia — playable solo, no multiplayer required. Shares Action and Indie with Gunmetal Arcadia.
Lost Castle is an action RPG beat'em up with roguelike elements and randomized dungeons for up to four players online and local!
- 7

Fallback
Single-player alternative to Gunmetal Arcadia — playable solo, no multiplayer required. Shares Action and Indie with Gunmetal Arcadia.
Lead the rebellion in an epic rogue-like adventure. Guide your jet-pack equipped post-apocalyptic volunteers through a labyrinthine underground complex by jumping, dodging, and battling against robot minions (and masters) to get to the surface — and bring life back to the scorched Earth.
- 8

Anomaly Agent
Single-player alternative to Gunmetal Arcadia — playable solo, no multiplayer required. Shares Action and Indie with Gunmetal Arcadia.
ANOMALY AGENT is a cyberpunk action-adventure featuring fluid combat, a time-bending story, quirky characters and a catchy synthwave soundtrack! Punch or shoot through mobs of enemies, impact the story with your choices and stop the anomalies before the world plunges into chaos!
- 9

You Have to Win the Game
Single-player alternative to Gunmetal Arcadia — playable solo, no multiplayer required. Shares Action and Indie with Gunmetal Arcadia.
You Have to Win the Game is a free exploration platformer with a retro 1980s PC aesthetic.
- 10

Super Win the Game
Single-player alternative to Gunmetal Arcadia — playable solo, no multiplayer required. Shares Action and Indie with Gunmetal Arcadia.
Throw on your nostalgia goggles and travel back in time with Super Win the Game, a retro-core explosion of exploration and platforming action!!
- 11

Castle of Vania
Single-player alternative to Gunmetal Arcadia — playable solo, no multiplayer required. Shares Action and Adventure with Gunmetal Arcadia.
Invade the castle of the powerful Vampire Vania, face several difficult, exciting and sensual challenges to end this reign of horror and orgies.
- 12

Eldritch
Single-player alternative to Gunmetal Arcadia — playable solo, no multiplayer required. Shares Action and Indie with Gunmetal Arcadia.
Eldritch is the original imsim roguelike: a first-person action game inspired by roguelikes, immersive sims, and H. P. Lovecraft.
- 13

NEON STRUCT
Single-player alternative to Gunmetal Arcadia — playable solo, no multiplayer required. Shares Action and Indie with Gunmetal Arcadia.
You are Jillian Cleary: an ex-spy on the run, framed for treason and hunted by your former agency. You must move in secret, survive off the grid, and find a way to clear your name. Old friends and new allies will lend their support; but with the eyes of the world upon you, who can you trust?
- 14

Slayer Shock
Single-player alternative to Gunmetal Arcadia — playable solo, no multiplayer required. Shares Action and Indie with Gunmetal Arcadia.
A role-playing shooter about hunting vampires in Nebraska. Take missions to patrol the streets, rescue captive humans, and weaken the undead threat. Assemble a team, hunt the vampires, and save your hometown!
- 15

Gunmetal Arcadia Zero
Single-player alternative to Gunmetal Arcadia — playable solo, no multiplayer required. Shares Action and Indie with Gunmetal Arcadia.
Unrest brews in the city of Arcadia, and a monstrous enemy approaches.
- 16

EPONYMOUS
Single-player alternative to Gunmetal Arcadia — playable solo, no multiplayer required. Shares Indie and Adventure with Gunmetal Arcadia.
EPONYMOUS: In Which a Work Is Known by Its Reading is a short-form narrative about unreliable infrastructures.