IMHO.

Single-player games like Mercury: Cascade into Madness

Below are 22 single-player Steam games similar to Mercury: Cascade into Madness, 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 Mercury: Cascade into Madness page.

Ranked picks

  1. 1
    ShyChess — Steam game cover

    ShyChess

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie and Adventure with Mercury: Cascade into Madness.

    ShyChess is a puzzle game where the ShyGirls must cross through chessboards avoiding dangerous zones, marked by thechess pieces attack patterns. Go through room to room while discovering more about the ShyGirls history, escape with as many of them as you can.

    2018ActionIndieAdventure1.99 USDSingle-playerSimilar games →
  2. 2
    Ino — Steam game cover

    Ino

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie and Adventure with Mercury: Cascade into Madness.

    INO is an Adventure/Horror story driven game that tells the story of Kaede and Hitaki, two classmates that get involved with a mysterious girl called Ino. Follow the story as they try to figure out who she is while they try to escape from being murdered.

    2017IndieAdventureRPG1.99 USDSingle-playerSimilar games →
  3. 3
    Last Days — Steam game cover

    Last Days

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie and Adventure with Mercury: Cascade into Madness.

    Save or enslave? "Last Days" is a survival, zombie, horror, rpg game where every choice matters and will affect you long term.

    2016ActionIndieAdventureFreeSingle-playerSimilar games →
  4. 4
    MYSTERY HOUSE : SECRET STEALTH — Steam game cover

    MYSTERY HOUSE : SECRET STEALTH

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie and Adventure with Mercury: Cascade into Madness.

    There are lots of exciting experiences and tasks waiting for you in the game. Do you like the tasks to be solved? Do you like excitement when someone is chasing you and you need to find the key to the mystery? Then this game is for you. We are continually developing and engaging in more and more puzzles and tasks.

    2018ActionStrategyIndie2.99 USDSingle-playerSimilar games →
  5. 5
    Age Of Forays — Steam game cover

    Age Of Forays

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie and Adventure with Mercury: Cascade into Madness.

    Feel yourself in the role of warrior. Do raids, improve your ship, improve your hero, control your combat unit. Become a part of the great history of the northern kingdom

    2018ActionIndieAdventure1.99 USDSingle-playerSimilar games →
  6. 6
    Take the Dream IX — Steam game cover

    Take the Dream IX

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie and Adventure with Mercury: Cascade into Madness.

    What would you do for the person you love? Are you sure you're actually in love with them? They say love is all about sacrifice. What are you willing to lose for the one you supposedly love?

    2016IndieAdventureRPGFreeSingle-playerSimilar games →
  7. 7
    Traum — Steam game cover

    Traum

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie and Adventure with Mercury: Cascade into Madness.

    Traum is a short, story-driven adventure about a man with a dream. Can even the best of plans be shattered by unexpected news?

    2018IndieAdventureFree To PlayFreeSingle-playerSimilar games →
  8. 8
    Dark Ghost RPG — Steam game cover

    Dark Ghost RPG

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie and Adventure with Mercury: Cascade into Madness.

    Together with the old prisoner, go on a hard and big trip to find the legendary land where there is no plague and darkness

    2018ActionIndieAdventure5.99 USDSingle-playerSimilar games →
  9. 9
    The Witcher 3: Wild Hunt — Steam game cover

    The Witcher 3: Wild Hunt

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares RPG with Mercury: Cascade into Madness.

    You are Geralt of Rivia, mercenary monster slayer. Before you stands a war-torn, monster-infested continent you can explore at will. Your current contract? Tracking down Ciri — the Child of Prophecy, a living weapon that can alter the shape of the world.

    2015RPG39.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    Mass Effect (2007) — Steam game cover

    Mass Effect (2007)

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares RPG with Mercury: Cascade into Madness.

    As Commander Shepard, you lead an elite squad on a heroic, action-packed adventure throughout the galaxy.

    2008ActionRPG5.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    Outrage — Steam game cover

    Outrage

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie and Adventure with Mercury: Cascade into Madness.

    Outrage is a short cyberpunk dungeon crawler. You manage a team of vigilantes and must undertake various missions in the city to strengthen your team and your cause in order to bring a powerful enemy to justice.

    2016IndieAdventureRPG3.99 USDSingle-playerSimilar games →
  12. 12
    The One — Steam game cover

    The One

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie and Adventure with Mercury: Cascade into Madness.

    The One is a game in which your goal will be to explore the world alone or in a group three years after the zombie apocalypse. However, the problem will turn out to be not only zombies, but also others who managed to survive this time behind the gates of the bunkers.

    2024ActionIndieAdventure9.99 USDSingle-playerSimilar games →
  13. 13
    Fallout 4 — Steam game cover

    Fallout 4

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares RPG with Mercury: Cascade into Madness.

    From Bethesda Game Studios, the award-winning creators of Starfield and The Elder Scrolls V: Skyrim, comes Fallout 4. A landmark in open-world RPG design and winner of over 200 ‘Best Of’ honors, including the DICE and BAFTA Game of the Year.

    2015RPG19.99 USDDeck VerifiedSingle-playerSimilar games →
  14. 14
    City of Chains — Steam game cover

    City of Chains

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie and Adventure with Mercury: Cascade into Madness.

    City of Chains is a dark sci-fi RPG set in a dystopian city. Take control of a small group of escaped fugitives and lead them to their freedom. Decide whether to fight head on or to avoid combat, to help others or to go your own way, to show mercy or to kill. Your actions could affect the fate of the city.

    2015StrategyIndieAdventure8.99 USDSingle-playerSimilar games →
  15. 15
    Shadowrun Chronicles - Boston Lockdown — Steam game cover

    Shadowrun Chronicles - Boston Lockdown

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie and RPG with Mercury: Cascade into Madness.

    Lead your team of Runners to survive a corrupt megacorporation’s intrigue threatening thousands of lives in this new action-strategy game set in the most popular cyberpunk universe of all times – Shadowrun.

    2015StrategyIndieRPGSingle-playerSimilar games →
  16. 16
    Dragon Rage — Steam game cover

    Dragon Rage

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie with Mercury: Cascade into Madness.

    Fast-paced destruction! Tear the #!@$ out of a mountain-top village as the King sends out his royal army to try to stop you and protect his kingdom. The more villagers you devour, the stronger you get. Fill your belly and enter Rampage Mode where you can unleash mass destruction!

    2016ActionIndieCasual6.99 USDDeck PlayableSingle-playerSimilar games →
  17. 17
    Atonement: Scourge of Time — Steam game cover

    Atonement: Scourge of Time

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie and Adventure with Mercury: Cascade into Madness.

    The last king was killed over 400 years ago and the global rule of the land ceased to exist. The Vindicator is coming. ~a decadent, dark fantasy world with a new take on the concepts of Angels and Demons!

    2015IndieAdventureRPG5.99 USDSingle-playerSimilar games →
  18. 18
    Insincere — Steam game cover

    Insincere

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie with Mercury: Cascade into Madness.

    You are Joseph Walker. After waking up in a strangely deserted science facility with no recollection of how you got there, you hear the voice of an A.I. The A.I. promises to be your guide and to help you out of the facility. However, it is clear right away that it’s not telling you everything.

    2016ActionIndie3.99 USDSingle-playerSimilar games →
  19. 19
    Incitement 3 — Steam game cover

    Incitement 3

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie and Adventure with Mercury: Cascade into Madness.

    An expansive dystopian sci-fi world awaits you! Equipment customization, a varied cast and an epic story in this sci-fi epic from Astronomic Games.

    2015IndieAdventureRPG5.99 USDSingle-playerSimilar games →
  20. 20
    Atonement 2: Ruptured by Despair — Steam game cover

    Atonement 2: Ruptured by Despair

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares RPG with Mercury: Cascade into Madness.

    Three weeks have passed since the events of Atonement: Scourge of Time, but the world is yet in peril. Elleria and her allies find themselves in an alternate timeline where events took a grimmer turn. She will now have to go head to head against her other self in order to stop the impending threat.

    2016RPG5.99 USDSingle-playerSimilar games →
  21. 21
    Renegade Grounds: Episode 1 — Steam game cover

    Renegade Grounds: Episode 1

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie and Adventure with Mercury: Cascade into Madness.

    First episode of a thrilling adventure! Two mercenaries, Agela and Ingus, are tasked to infiltrate the criminal underworld to retrieve a device of high value that was stolen from the council. The job gets more complex as more factions join the hunt for the item, but to Agela and Ingus, failure is not an option!

    2017IndieAdventureRPG4.99 USDSingle-playerSimilar games →
  22. 22
    Snares of Ruin — Steam game cover

    Snares of Ruin

    Single-player alternative to Mercury: Cascade into Madness — playable solo, no multiplayer required. Shares Indie and RPG with Mercury: Cascade into Madness.

    You are detective Hank Anderson , and you’ve just been transferred to another city to help solve a series of unusual crimes. Upon arrival, you are greeted with a gory scene and a revelation of several instances of a deadly disease that turns people into savage zombie-like husks.

    2018IndieRPG5.99 USDSingle-playerSimilar games →