Single-player games like Z Diaries
Below are 11 single-player Steam games similar to Z Diaries, 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 Z Diaries page.
Ranked picks
- 1

Zombie Apocalypse Survival Simulator
Single-player alternative to Z Diaries — playable solo, no multiplayer required. Shares Adventure with Z Diaries.
From the creators that brought you The Test Trilogy & many other experiences, comes Zombie Apocalypse Survival Simulator. Will you survive in the new world? Or will you become just another victim to looters, bandits, or worst of all... The Voracious Dead. There's only one way to find out...
- 2

The Walking Dead: The Telltale Definitive Series
Single-player alternative to Z Diaries — playable solo, no multiplayer required. Shares Adventure with Z Diaries.
The Walking Dead: The Telltale Definitive Series contains all 4 Seasons, 400 Days, and The Walking Dead: Michonne, which includes over 50 hours of gameplay across 23 unique episodes.
- 3

Ashwalkers
Single-player alternative to Z Diaries — playable solo, no multiplayer required. Shares Adventure with Z Diaries.
A survival journey through a harsh world without rules or judgement. Only your choices matters in the face of moral dilemmas. Manage your party, food & equipment in this non-linear narrative survival sim with 34 possible endings.
- 4

Purrfect Apawcalypse: Purrgatory Furever
Single-player alternative to Z Diaries — playable solo, no multiplayer required. Shares Adventure with Z Diaries.
One thousand zombies from the massacre of Hachiko High are crashing Olive's birthday party! Trapped in the Grimalkin Estate they'll have to unravel the mystery behind the zombies, all while making sure their friends are having the Purrfect Apawcalypse!
- 5

The Walking Dead
Single-player alternative to Z Diaries — playable solo, no multiplayer required. Shares Adventure with Z Diaries.
A five-part adventure horror series set in the same universe as Robert Kirkman’s award-winning comic book series.
- 6

The Walking Dead: A New Frontier
Single-player alternative to Z Diaries — playable solo, no multiplayer required. Shares Adventure with Z Diaries.
After society was ripped apart by undead hands, pockets of civilization emerge from the chaos. But at what cost? Can the living be trusted on this new frontier?
- 7

March of the Living
Single-player alternative to Z Diaries — playable solo, no multiplayer required. Shares Adventure with Z Diaries.
Roguelike-like inspired by FTL and popular zombie fiction. Guide a group of survivors to a rumoured safe haven.
- 8

Astronaut: The Best
Single-player alternative to Z Diaries — playable solo, no multiplayer required. Shares Adventure with Z Diaries.
Astronaut: The Best is an occult management adventure where people aren't just numbers: they're screwups. You must run a proper space academy using lies, witchcraft, and/or hard work. Guide cadets through a roguelite web of scandals and challenges, or the government will have you killed.
- 9

The Gate
Single-player alternative to Z Diaries — playable solo, no multiplayer required. Shares Adventure with Z Diaries.
The Gate is an interactive science fiction graphic novel. At various points in the story, you will be asked to make a choice, these choices will take you down different paths in the story. Your objective as you guide the story is to return back to earth. The game features 3 possible story endings.
- 10

DarkRealms
Single-player alternative to Z Diaries — playable solo, no multiplayer required.
A brutal 2.5D boomer shooter. Blast through demons and undead with shotguns, rockets, and a katana in fast-paced aerial combat. Dash through speedrun-focused levels packed with brutal bosses, aggressive movement, retro-inspired visuals, and heavy metal action.
- 11

Cold Dark
Single-player alternative to Z Diaries — playable solo, no multiplayer required.
Cold Dark is a survival horror boomer shooter. Wake up in a deserted hospital with no memory of how you got there. Battle zombies and mutated horrors with your shotgun and chainsaw as you uncover the truth behind a deadly outbreak consuming the city.