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

Battle Line the Rise of War
Single-player alternative to Kvark — playable solo, no multiplayer required. Shares Action and Indie with Kvark.
Dive into Battle Line: The Rise of War, an exhilarating third-person shooter (TPS) that throws you into the heart of fast-paced, action
- 2

The Island of Thugs
Single-player alternative to Kvark — playable solo, no multiplayer required. Shares Action and Indie with Kvark.
Welcome to the isalnd of thugs. This tropical island is a secret military base of Russian PMC. You are a Special Agent who must find the leader of PMC and eliminate him. Take the gun and let's go!
- 3

Gazmatera: Return Of The Generals
Single-player alternative to Kvark — playable solo, no multiplayer required. Shares Action and Indie with Kvark.
In the years between 1988 and 1994, somewhere in Europe a squadron of the best fighters from crime, called "generals", was blacklisted for liquidation. Take control of four survivors, Jeff, Kayla, Helga and Emilia, and exterminate the leader of the enemy gang!
- 4

PickaLegend
Single-player alternative to Kvark — playable solo, no multiplayer required. Shares Action with Kvark.
PickaLegend - A bullet hell game about visiting interesting places and destroying everything in sight with your pets.
- 5

Zombie Wasteland Together
Single-player alternative to Kvark — playable solo, no multiplayer required. Shares Action and Indie with Kvark.
Zombie Wasteland Together is a 1–4 player co-op zombie shooter set in a post-apocalyptic desert. Team up with friends, fight endless hordes of infected, and survive using powerful weapons.
- 6

Shadow Siege
Single-player alternative to Kvark — playable solo, no multiplayer required. Shares Action and Indie with Kvark.
Shadow Siege is an exhilarating third-person shooter (TPS) that plunges players into heart-pounding, action-packed battles. With fast-paced gameplay and strategic combat
- 7

Modavuj Save The Babies
Single-player alternative to Kvark — playable solo, no multiplayer required. Shares Action and Indie with Kvark.
Save The Babies is an adventure game where you enter into armed conflicts with robots and try to overcome many platform obstacles. In 8 levels, you need to save 8 girls by overcoming obstacles that become more difficult as you progress.
- 8

Suds
Single-player alternative to Kvark — playable solo, no multiplayer required. Shares Action and Indie with Kvark.
Grab your friends and defend the Suds' village! Fight endless waves of slimes, save infected teammates, and compete for the top spot on the leaderboards. A cute and chaotic adventure awaits!
- 9

Portal 2
Single-player alternative to Kvark — playable solo, no multiplayer required. Shares Action with Kvark.
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
- 10

Wolfenstein 3D
Single-player alternative to Kvark — playable solo, no multiplayer required. Shares Action with Kvark.
World War II rages. The Nazis are planning to build an unstoppable, mutant army. On a mission to steal the secret plans, you were captured and imprisoned. Now, a lucky break gives you the chance to escape, but a maze of passages and trigger-happy Nazis stand in your way.
- 11

Unreal Tournament: Game of the Year Edition
Single-player alternative to Kvark — playable solo, no multiplayer required. Shares Action with Kvark.
Unreal Tournament is the original King of the Hill in the frag-or-be-fragged multiplayer gaming world. As the undisputed 1999 Game of the Year, Unreal Tournament grabbed the first person shooter genre by the soiled seat of its pants and knocked it around the room with its never-before-seen graphics, brutal edge-of-your-seat gameplay and...
- 12

Wolfenstein: The New Order
Single-player alternative to Kvark — playable solo, no multiplayer required. Shares Action with Kvark.
Wolfenstein®: The New Order reignites the series that created the first-person shooter genre. Wolfenstein offers a deep game narrative packed with action, adventure and first-person combat.
- 13

DOOM
Single-player alternative to Kvark — playable solo, no multiplayer required. Shares Action with Kvark.
Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.
- 14

HROT
Single-player alternative to Kvark — playable solo, no multiplayer required. Shares Action and Indie with Kvark.
HROT is a single-player retro FPS set in a small socialist country neighboring Soviet Union (Czechoslovakia) after an unspecified disaster in 1986. Those times were dark and terrifying and so is the game.
- 15

Half-Life
Single-player alternative to Kvark — playable solo, no multiplayer required. Shares Action with Kvark.
Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
- 16

VLADiK BRUTAL
Single-player alternative to Kvark — playable solo, no multiplayer required. Shares Action and Indie with Kvark.
Fight under the onslaught of mutated monsters, obsessed soldiers and even darker bosses. Just try to survive and find out what to do next in this life, simultaneously tearing your enemies to pieces.