Single-player games like Vacant Kingdom
Below are 12 single-player Steam games similar to Vacant Kingdom, 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 Vacant Kingdom page.
Ranked picks
- 1

The Knight Witch
Single-player alternative to Vacant Kingdom — playable solo, no multiplayer required. Shares Action and Indie with Vacant Kingdom.
The Knight Witch is a metroidvania adventure game with fast-paced, shoot 'em up combat set in a beautifully hand-drawn world. Cast devastating card-based spells, forge close bonds, and make moral choices all in your quest to save your home and discover who's behind the War Golem invasion.
- 2

Patch Quest
Single-player alternative to Vacant Kingdom — playable solo, no multiplayer required. Shares Action and Indie with Vacant Kingdom.
In a labyrinth surrounded by vicious monsters, Explorers must rely on their Lasso to survive! Capture and tame ANY monster to leap, glide, surf, tunnel and websling through a treacherous, patchwork maze. This roguelike/metroidvania seems cute, but it’s a deceptively difficult bullet-hell challenge!
- 3

Minishoot' Adventures
Single-player alternative to Vacant Kingdom — playable solo, no multiplayer required. Shares Action and Adventure with Vacant Kingdom.
Fly into a charming handcrafted world and go on an adventure that mixes up open exploration with crispy twin-stick shooter action. Fight your way from the shiny overworld to the deepest caves, improve your ship and overcome the dungeons' bosses to rescue your friends!
- 4

Atomicrops
Single-player alternative to Vacant Kingdom — playable solo, no multiplayer required. Shares Action and Indie with Vacant Kingdom.
A twin-stick, bullet-hell, roguelite where you must cultivate and defend the last farm in a post-apocalyptic wasteland. Farm mutated crops, upgrade your weapons, marry townsfolk, and kill every mutant creature that tries to invade your homestead! Yee-haw!
- 5

Assault Android Cactus+
Single-player alternative to Vacant Kingdom — playable solo, no multiplayer required. Shares Action and Indie with Vacant Kingdom.
Assault Android Cactus is an intense arcade style twin stick shooter - pick from one of nine unique synthetic heroines and blast your way through overwhelming robots hordes to save the ship from its own workforce. Supports single player and local co-op game modes.
- 6

Furi
Single-player alternative to Vacant Kingdom — playable solo, no multiplayer required. Shares Action and Indie with Vacant Kingdom.
The jailer is the key, kill him and you’ll be free. Fight your way free in this ultra-responsive, fast-paced sword-fighting and dual-stick shooting game.
- 7

Bleed 2
Single-player alternative to Vacant Kingdom — playable solo, no multiplayer required. Shares Action and Indie with Vacant Kingdom.
Bleed 2 is a relentless arcade action game featuring air-dodging, bullet-reflecting, and tons of bosses. Now with randomly-generated levels and daily challenges, too!
- 8

Killsquad
Single-player alternative to Vacant Kingdom — playable solo, no multiplayer required. Shares Action and Indie with Vacant Kingdom.
Hack and slash? Check. Twin-stick-shooter? Check. 4 player coop to slay hordes of aliens & bosses with your friends? Check. Skills, upgrades, weapons, gears, talismans and more to make you stronger? Check. Wake up, bounty hunter. We have a mission for you. Time to clean up the scum of the galaxy.
- 9

Undertale
Single-player alternative to Vacant Kingdom — playable solo, no multiplayer required. Shares Indie and RPG with Vacant Kingdom.
UNDERTALE! The RPG game where you don't have to destroy anyone.
- 10

Rabi-Ribi
Single-player alternative to Vacant Kingdom — playable solo, no multiplayer required. Shares Action and Indie with Vacant Kingdom.
Dodge bullets, missiles and lasers in battle as you wrap your head around that bunny girl costume! Combo away with your mighty Piko Hammer or spam various spells from afar with your fiery fairy friend. Explore and explode through Rabi-Rabi Island as you collect power-ups and uncover secrets...
- 11

Dread Line: Metro
Single-player alternative to Vacant Kingdom — playable solo, no multiplayer required. Shares Action with Vacant Kingdom.
Dive into abandoned metro tunnels overrun by mutant creatures. Find valuable loot, stay quiet, and try not to get ripped to pieces.
- 12

No Fear
Single-player alternative to Vacant Kingdom — playable solo, no multiplayer required. Shares Action with Vacant Kingdom.
No Fear is a top-down arena shooter in which the player has to fight against hordes of various monsters. Challenge them using various weapons. You must survive!