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

Dead City
Single-player alternative to H Index — playable solo, no multiplayer required. Shares Action and Indie with H Index.
It doesn't matter who you are or who you were before. Welcome to the Dead City!
- 2

Alone Girl
Single-player alternative to H Index — playable solo, no multiplayer required. Shares Action and Indie with H Index.
Become a lone girl, fight against endless hordes of zombies and bugs alone in the apocalypse overrun by aliens and mutated monsters, collect resources to upgrade your arsenal, tear through the darkness and blood with firepower, and experience the pure thrill of adrenaline rushing!
- 3

Keep Her Safe
Single-player alternative to H Index — playable solo, no multiplayer required. Shares Action and Indie with H Index.
Keep Her Safe is a survival shooting game. Gather resources, fortify your base, and withstand zombie hordes to keep the rocket project alive and bring an end to the acid rain apocalypse. Besides the hard life in wasteland, you can also chill up with friends in different multiplayer gameplays.
- 4

Zombeer: Delivery Mission
Single-player alternative to H Index — playable solo, no multiplayer required. Shares Action and Indie with H Index.
Zombeer: Delivery Mission is a 2D Shooter, where you need to save the world by delivering special beers in a Zombie apocalypse. With a Beer Thrower you will need to fight your way through ever-increasing hordes of zombies against the clock to deliver the beers that will save humanity!
- 5

GRIMLINE
Single-player alternative to H Index — playable solo, no multiplayer required. Shares Action and Indie with H Index.
Survive a collapsing rail corridor in a top-down zombie extraction game. Search dangerous stations, manage scarce supplies, rescue survivors, and bring what you can back to a fragile train that serves as your moving base.
- 6

Peace Island
Single-player alternative to H Index — playable solo, no multiplayer required. Shares Action and Indie with H Index.
Twenty years ago, the paradise was revived. After the signing of the "Tide City Peace Agreement", the Atlantic United States and the Blazing Sun Empire hired desperate individuals to delve into the cursed inner islands in search of those lost angels.
- 7

Survival Odyssey
Single-player alternative to H Index — playable solo, no multiplayer required. Shares Action and Indie with H Index.
Immerse yourself in this epic survival game teeming with strategy and thrills! Confront relentless attacks, fighting tooth and nail to survive in a world overrun by chaos. Select from a diverse pool of 100 heroes, each boasting unique skills, allowing you to craft endless strategic combinations.
- 8

Zombie camping
Single-player alternative to H Index — playable solo, no multiplayer required. Shares Action and Adventure with H Index.
Zombie camping is a third person shooter based in a forest camping where zombies are coming in waves trying to kill you.
- 9

Sleep
Single-player alternative to H Index — playable solo, no multiplayer required. Shares Action and Indie with H Index.
Nastya, she is 18 years old. Every day she draws images of the monsters that come to her and describes them. And every night, Nastya has a dream where she fights her monsters. And with each dream, you have to get out of the dream.
- 10

Metal Detecting Simulator
Single-player alternative to H Index — playable solo, no multiplayer required. Shares Indie and Simulation with H Index.
2D platformer with a view from the top. In the game you have to buy equipment to search for various items. Metal detectors, shovels, will help you in this. You come to the new land, you need to buy land and start searching for gold and coins, as well you will come across junk.
- 11

Electation
Single-player alternative to H Index — playable solo, no multiplayer required. Shares Indie with H Index.
In the game you need to pass the levels killing various creatures, some will run away from you, others on the contrary, will chase and attack you.
- 12

PiM World
Single-player alternative to H Index — playable solo, no multiplayer required. Shares Indie with H Index.
In the game you will lead your settlement. You will have to build various buildings starting with a castle and ending with an institute. Every decision you make should be balanced, because the economy of your settlement is growing, and the lack of resources can catch up instantly!
- 13

ANIGMA Byte
Single-player alternative to H Index — playable solo, no multiplayer required. Shares Action and Indie with H Index.
ANIGMA Byte is a tense and dynamic game that challenges your reaction and coordination. You are the last byte on whose digital shoulders rests the fate of the entire operating system. A critical error has caused chaos in the simulation, turning everything upside down.
- 14

DON'T OPEN
Single-player alternative to H Index — playable solo, no multiplayer required. Shares Action and Indie with H Index.
DONT OPEN is a PSX-style horror game about routine that falls apart before your eyes. A normal shift at a taco bar, an empty stairwell, and a persistent knock on the door that's impossible to ignore. Based on real events.
- 15

Escape the House
Single-player alternative to H Index — playable solo, no multiplayer required. Shares Action and Indie with H Index.
You're locked in your crazy Granny's house. She can hear everything and runs incredibly fast. Hide in closets, be quiet, solve puzzles, and find a way to escape before your days are up. A tense PSX survival horror game where every dropped object can cost you your life.
- 16

The Night Route
Single-player alternative to H Index — playable solo, no multiplayer required. Shares Action and Indie with H Index.
A night shift in a quiet suburb seemed like an easy way to earn some extra cash. You're a regular courier on foot. Deliver the orders and head home. But remember: the darkness hides those who stay awake at night, and someone is watching your route very closely.