IMHO.

Single-player games like AMYGDALA: Prelude

Below are 8 single-player Steam games similar to AMYGDALA: Prelude, 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 AMYGDALA: Prelude page.

Ranked picks

  1. 1
    Robotization: The Last Human — Steam game cover

    Robotization: The Last Human

    Single-player alternative to AMYGDALA: Prelude — playable solo, no multiplayer required. Shares Action and Indie with AMYGDALA: Prelude.

    Robotization: The Last Human - a first-person survival-horror game in which you have to survive in a world full of horrors. Be afraid of unknown creatures and lose your last hope for salvation.

    ActionIndieAdventureSingle-playerSimilar games →
  2. 2
    Beneath the Permafrost — Steam game cover

    Beneath the Permafrost

    Single-player alternative to AMYGDALA: Prelude — playable solo, no multiplayer required. Shares Action and Indie with AMYGDALA: Prelude.

    The world has ended, but the storm remains. Experience survival-horror within the ruins of a fractured city. Stay warm. Fight the dead. Find the Fountain. Will you be buried beneath the eternal blizzard? Or will you cheat death itself? Every bullet, every match, and every decision counts.

    2026ActionIndieSingle-playerSimilar games →
  3. 3
    Hollow Stories: Lockdown — Steam game cover

    Hollow Stories: Lockdown

    Single-player alternative to AMYGDALA: Prelude — playable solo, no multiplayer required. Shares Action and Indie with AMYGDALA: Prelude.

    A neo-retro survival horror noir game where you explore, solve puzzles, and fight to survive in a city ruled by corruption and cults.

    ActionIndieAdventureSingle-playerSimilar games →
  4. 4
    Left 4 Dead 2 — Steam game cover

    Left 4 Dead 2

    Single-player alternative to AMYGDALA: Prelude — playable solo, no multiplayer required. Shares Action with AMYGDALA: Prelude.

    Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.

    2009Action9.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Syndrome — Steam game cover

    Syndrome

    Single-player alternative to AMYGDALA: Prelude — playable solo, no multiplayer required. Shares Action and Adventure with AMYGDALA: Prelude.

    Syndrome, a sci-fi survival horror game that places you in a living hell inside a doomed starship. Find out what happened to your lost crew. Run. Hide. Fight. Survive.

    2016ActionAdventure19.99 USDSingle-playerSimilar games →
  6. 6
    PATHOGEN X — Steam game cover

    PATHOGEN X

    Single-player alternative to AMYGDALA: Prelude — playable solo, no multiplayer required. Shares Action and Indie with AMYGDALA: Prelude.

    An immersive, first-person survival shooter where you step into the boots of Special Agent Aiden Clark. Dive deep into a hazardous underground laboratory, tasked with the perilous mission of neutralizing a biological menace and securing a pathogen sample.

    2024ActionIndieAdventure9.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    My Friendly Neighborhood — Steam game cover

    My Friendly Neighborhood

    Single-player alternative to AMYGDALA: Prelude — playable solo, no multiplayer required. Shares Action and Indie with AMYGDALA: Prelude.

    Something scary is happening with everyone's favorite Saturday morning puppet show, The Friendly Neighborhood! Play as Gordon, a repairman sent to get to the bottom of this disturbing dilemma. Fend off puppets and solve puzzles in this survival horror adventure.

    2023ActionIndieAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Half-Life 2 — Steam game cover

    Half-Life 2

    Single-player alternative to AMYGDALA: Prelude — playable solo, no multiplayer required. Shares Action with AMYGDALA: Prelude.

    Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat.

    2004Action9.99 USDDeck VerifiedSingle-playerSimilar games →