IMHO.

Single-player games like DarkMatter: The Strange Messenger

Below are 8 single-player Steam games similar to DarkMatter: The Strange Messenger, 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 DarkMatter: The Strange Messenger page.

Ranked picks

  1. 1
    Death's Door — Steam game cover

    Death's Door

    Single-player alternative to DarkMatter: The Strange Messenger — playable solo, no multiplayer required. Shares Action and Indie with DarkMatter: The Strange Messenger.

    Reaping souls of the dead and punching a clock might get monotonous but it's honest work for a Crow. The job gets lively when your assigned soul is stolen and you must track down a desperate thief to a realm untouched by death - where creatures grow far past their expiry.

    2021ActionIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Tower of Babel: Survivors of Chaos — Steam game cover

    Tower of Babel: Survivors of Chaos

    Single-player alternative to DarkMatter: The Strange Messenger — playable solo, no multiplayer required. Shares Action and Indie with DarkMatter: The Strange Messenger.

    Battle hordes of monsters, acquire new skills, and upgrade your abilities. Customize your build with hundreds of item combinations and reach the top to fulfill your deepest desires. Conquer the tower in this thrilling roguelite hack and slash survivors game!

    2026ActionStrategyIndie10.39 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Path of Exile 2 — Steam game cover

    Path of Exile 2

    Single-player alternative to DarkMatter: The Strange Messenger — playable solo, no multiplayer required. Shares Action and Adventure with DarkMatter: The Strange Messenger.

    Path of Exile 2 is a next generation Action RPG from Grinding Gear Games, featuring co-op for up to six players. Set years after the original Path of Exile, you will return to the dark world of Wraeclast and seek to end the corruption that is spreading.

    2024ActionAdventureMassively Multiplayer29.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Grim Dawn — Steam game cover

    Grim Dawn

    Single-player alternative to DarkMatter: The Strange Messenger — playable solo, no multiplayer required. Shares Action and Indie with DarkMatter: The Strange Messenger.

    Enter an apocalyptic fantasy world where humanity is on the brink of extinction, iron is valued above gold and trust is hard earned. This ARPG features complex character development, hundreds of unique items, crafting and quests with choice & consequence.

    2016ActionIndieAdventure24.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Death Must Die — Steam game cover

    Death Must Die

    Single-player alternative to DarkMatter: The Strange Messenger — playable solo, no multiplayer required. Shares Action and Indie with DarkMatter: The Strange Messenger.

    Descend the nether in search of Death himself! Choose from God-given powers to slay his hordes of minions. Unlock new heroes, collect powerful items and create game-breaking synergies in this roguelite hack and slash survivors game.

    2023ActionIndieRPG6.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Book of Demons — Steam game cover

    Book of Demons

    Single-player alternative to DarkMatter: The Strange Messenger — playable solo, no multiplayer required. Shares Action and Indie with DarkMatter: The Strange Messenger.

    Book of Demons is a Hack & Slash in which YOU decide the length of quests. Wield magic cards instead of weapons and slay the armies of darkness in the dungeons below the Old Cathedral. Save the terror-stricken Paperverse from the clutches of the Archdemon himself!

    2018ActionIndieAdventure24.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    The Incredible Adventures of Van Helsing — Steam game cover

    The Incredible Adventures of Van Helsing

    Single-player alternative to DarkMatter: The Strange Messenger — playable solo, no multiplayer required. Shares Action and Indie with DarkMatter: The Strange Messenger.

    Put on your wide-brimmed hat, grab your weapons and embark on an incredible adventure in the gothic-noir world of Borgovia, where mad science threatens the fragile peace between monster and mortal.

    2013ActionIndieAdventure14.99 USDSingle-playerSimilar games →
  8. 8
    Path of Exile — Steam game cover

    Path of Exile

    Single-player alternative to DarkMatter: The Strange Messenger — playable solo, no multiplayer required. Shares Action and Indie with DarkMatter: The Strange Messenger.

    You are an Exile, struggling to survive on the dark continent of Wraeclast, as you fight to earn power that will allow you to exact your revenge against those who wronged you. Path of Exile is an online Action RPG set in a dark fantasy world. The game is completely free and will never be pay-to-win.

    2013ActionIndieAdventureFreeDeck PlayableSingle-playerSimilar games →