Single-player games like Terfenstein 3D
Below are 10 single-player Steam games similar to Terfenstein 3D, 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 Terfenstein 3D page.
Ranked picks
- 1

White Hell
Single-player alternative to Terfenstein 3D — playable solo, no multiplayer required. Shares Action and Indie with Terfenstein 3D.
White Hell is a retro-style first-person shooter set in a frost-bound Finland after the apocalypse.
- 2

Core Decay
Single-player alternative to Terfenstein 3D — playable solo, no multiplayer required. Shares Action with Terfenstein 3D.
Travel across a dying Earth and uncover a sinister plot to preserve humanity no matter the cost - even if it means redefining what makes us alive - in an old-school atmospheric immersive sim that explores the nature of consciousness and individuality.
- 3

CARNAL
Single-player alternative to Terfenstein 3D — playable solo, no multiplayer required. Shares Action and Indie with Terfenstein 3D.
CARNAL is a fast and challenging retro FPS straight from the mid '90s. The Sons of Anak are opening portals to extract Dark Matter from the "other side". Combat the possessed soldiers, the manifested demons helping them, and any inanimate objects standing in your way!
- 4

WRATH: Aeon of Ruin
Single-player alternative to Terfenstein 3D — playable solo, no multiplayer required. Shares Action with Terfenstein 3D.
Blast, slice and shred through your enemies in this hardcore FPS inspired by the icons of the '90s, powered by the legendary Quake-1 Tech. Taking place in a realm left to rot, take up arms, unearth long-forgotten secrets and hunt down the Guardians of the Old World.
- 5

SharpShooter3D
Single-player alternative to Terfenstein 3D — playable solo, no multiplayer required. Shares Action and Indie with Terfenstein 3D.
SharpShooter3D is a first-person subculture shooter in the best old school traditions. Burn! Destroy! Kill! Kill! Kill!
- 6

Warhammer 40,000: Boltgun
Single-player alternative to Terfenstein 3D — playable solo, no multiplayer required. Shares Action and Indie with Terfenstein 3D.
Load up your Boltgun and unleash the awesome Space Marine arsenal to blast your way through an explosion of sprites, pixels and blood in a perfect blend of Warhammer 40,000, frenetic gameplay and the stylish visuals of 90’s retro shooters.
- 7

Project Warlock
Single-player alternative to Terfenstein 3D — playable solo, no multiplayer required. Shares Action and Indie with Terfenstein 3D.
Project Warlock is a first-person shooter that fans of Doom, Hexen, and Wolfenstein cannot miss. It serves you an exploding cocktail of bullets, spells, and monsters. Battle through 60 levels of non-stop action, packed with bloodthirsty enemies and challenging bosses.
- 8

Rise of the Triad: Dark War
Single-player alternative to Terfenstein 3D — playable solo, no multiplayer required. Shares Action with Terfenstein 3D.
You are part of an elite group of operatives called HUNT (High-risk United Nations Taskforce), and you must stop a maniac cult leader from killing millions of people. You are equipped with high-tech weaponry and magical instruments that defy description to invade the monastery and stop the madness.
- 9

Trans Agent X
Single-player alternative to Terfenstein 3D — playable solo, no multiplayer required. Shares Action and Indie with Terfenstein 3D.
Evil gatekeepers. Transgendered protagonist. Overdue reckoning.This is a casual sci-fi action-adventure bullet-hell dodger about transgender people re-visiting a post-apocalyptic earth and searching for a lost artefact. A wholesome trauma-healing adventure.
- 10

Relationship Anarchy
Single-player alternative to Terfenstein 3D — playable solo, no multiplayer required.
Investigate procedurally generated hidden relationships in a casual mystery game. Explore, find clues, deduce, infer, solve the puzzle, and unravel the true meaning.