IMHO.

Single-player games like Mass Effect (2007)

Below are 19 single-player Steam games similar to Mass Effect (2007), 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 Mass Effect (2007) page.

Ranked picks

  1. 1
    Mass Effect 2 (2010 Edition) — Steam game cover

    Mass Effect 2 (2010 Edition)

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares RPG with Mass Effect (2007).

    Are you prepared to lose everything to save the galaxy? You'll need to be, Commander Shepard. It's time to bring together your greatest allies and recruit the galaxy's fighting elite to continue the resistance against the invading Reapers.

    2010RPGDeck PlayableSingle-playerSimilar games →
  2. 2
    Mass Effect 2 (2010) Edition — Steam game cover

    Mass Effect 2 (2010) Edition

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares RPG with Mass Effect (2007).

    Are you prepared to lose everything to save the galaxy? You'll need to be, Commander Shepard. It's time to bring together your greatest allies and recruit the galaxy's fighting elite to continue the resistance against the invading Reapers.

    2023RPG5.99 USDSingle-playerSimilar games →
  3. 3
    Mass Effect™ Legendary Edition — Steam game cover

    Mass Effect™ Legendary Edition

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares Action and RPG with Mass Effect (2007).

    The Mass Effect™ Legendary Edition includes single-player base content and over 40 DLC from the highly acclaimed Mass Effect, Mass Effect 2, and Mass Effect 3 games, including promo weapons, armors, and packs — remastered and optimized for 4K Ultra HD.

    2021ActionRPG14.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Mass Effect™ 3 N7 Digital Deluxe Edition (2012) — Steam game cover

    Mass Effect™ 3 N7 Digital Deluxe Edition (2012)

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares Action and RPG with Mass Effect (2007).

    Earth is burning. The Reapers have taken over and other civilizations are falling like dominoes. Lead the final fight to save humanity and take back Earth from these terrifying machines, Commander Shepard.

    2020ActionStrategyRPG5.99 USDSingle-playerSimilar games →
  5. 5
    Mass Effect™: Andromeda Deluxe Edition — Steam game cover

    Mass Effect™: Andromeda Deluxe Edition

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares Action and RPG with Mass Effect (2007).

    Return to the Mass Effect universe & lead the first humans in Andromeda on a desperate search for our new home.

    2020ActionRPG7.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Everreach: Project Eden — Steam game cover

    Everreach: Project Eden

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares Action and RPG with Mass Effect (2007).

    Take on the role of Nora Harwood, member of Everreach’s Security Division, on a mission to secure the colonization process of Eden and investigate mysterious incidents! Everreach: Project Eden is a fast-paced, story-driven action-RPG set on the visually stunning Planet Eden.

    2019ActionIndieRPG24.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Alpha Protocol™ — Steam game cover

    Alpha Protocol™

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares Action and RPG with Mass Effect (2007).

    Loyalty carries a price and no one knows this more than agent Michael Thorton. A talented young agent cast out by his government, Thorton is the only one with the information needed to stop an impending international catastrophe.

    2010ActionRPG9.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Dragon Age II: Ultimate Edition — Steam game cover

    Dragon Age II: Ultimate Edition

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares Action and RPG with Mass Effect (2007).

    You are Hawke, a refugee seeking to escape the darkspawn-plagued land of Ferelden and become Champion of Kirkwall. Rise to power and fight epic battles while making decisions that determine the course of civilization.

    2020ActionAdventureRPG7.49 USDSingle-playerSimilar games →
  9. 9
    STAR WARS™ Knights of the Old Republic™ II - The Sith Lords™ — Steam game cover

    STAR WARS™ Knights of the Old Republic™ II - The Sith Lords™

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares RPG with Mass Effect (2007).

    5 years after the events of the award winning original, the Sith are on the verge of crushing the Old Republic. As a lone Jedi, will you follow the light side or succumb to the dark?

    2012RPG2.49 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Starship Wars — Steam game cover

    Starship Wars

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares Action with Mass Effect (2007).

    Destroy enemies, bosses and everything you see ahead!! Get crystals to buy better starships and get stronger. Have fun in three different game modes.

    2022ActionIndieAdventure0.99 USDSingle-playerSimilar games →
  11. 11
    STAR WARS Jedi: Fallen Order™ — Steam game cover

    STAR WARS Jedi: Fallen Order™

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares Action with Mass Effect (2007).

    A galaxy-spanning adventure awaits in Star Wars Jedi: Fallen Order, a 3rd person action-adventure title from Respawn. An abandoned Padawan must complete his training, develop new powerful Force abilities, and master the art of the lightsaber - all while staying one step ahead of the Empire.

    2019ActionAdventure7.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    Jade Empire™: Special Edition — Steam game cover

    Jade Empire™: Special Edition

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares RPG with Mass Effect (2007).

    Step into the role of an aspiring martial-arts master and follow the path of the open palm or the closed fist.

    2007RPG3.74 USDSingle-playerSimilar games →
  13. 13
    Star Control I and II — Steam game cover

    Star Control I and II

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares Action with Mass Effect (2007).

    Explore a vast universe with pulse-pounding action, side-splitting humor, and hair-raising plot twists in these 2 classic space adventure games.

    2017ActionStrategyIndie3.99 USDSingle-playerSimilar games →
  14. 14
    Planescape: Torment: Enhanced Edition — Steam game cover

    Planescape: Torment: Enhanced Edition

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares RPG with Mass Effect (2007).

    Uncover secrets of past lives in this story-rich, tactical roleplaying game set in Sigil, a dark fantasy city at the heart of the Dungeons & Dragons multiverse. Explore the planes, survive combat alongside a party of bizarre companions, and solve puzzles unlike any ever seen in the genre.

    2017AdventureRPG19.99 USDDeck PlayableSingle-playerSimilar games →
  15. 15
    Dragon Age™: The Veilguard — Steam game cover

    Dragon Age™: The Veilguard

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares Action and RPG with Mass Effect (2007).

    Unite the Veilguard and defy the gods in Dragon Age™: The Veilguard, an immersive single-player RPG.

    2024ActionStrategyAdventure20.99 USDDeck VerifiedSingle-playerSimilar games →
  16. 16
    STAR WARS™ Knights of the Old Republic™ — Steam game cover

    STAR WARS™ Knights of the Old Republic™

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares RPG with Mass Effect (2007).

    It is four thousand years before the Galactic Empire and hundreds of Jedi Knights have fallen in battle against the ruthless Sith. You are the last hope of the Jedi Order. Can you master the awesome power of the Force on your quest to save the Republic? Or will you fall to the lure of the dark side?

    2009AdventureRPG2.49 USDDeck PlayableSingle-playerSimilar games →
  17. 17
    Dragon Age: Origins - Ultimate Edition — Steam game cover

    Dragon Age: Origins - Ultimate Edition

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares RPG with Mass Effect (2007).

    Explore a stunning world, make complex moral choices, and engage in bone-crushing combat against massive and terrifying creatures. The Ultimate Edition includes Dragon Age: Origins, Dragon Age: Origins - Awakening and all nine content packs.

    2010RPG7.49 USDSingle-playerSimilar games →
  18. 18
    Dragon Age™ Inquisition — Steam game cover

    Dragon Age™ Inquisition

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares Action and RPG with Mass Effect (2007).

    Winner of over 130 Game of the Year awards, discover the definitive Dragon Age: Inquisition experience. The Game of the Year Edition includes the critically acclaimed game, all three official add-ons - Jaws of Hakkon, The Descent, and Trespasser - and more.

    2020ActionStrategyAdventure9.99 USDSingle-playerSimilar games →
  19. 19
    Dragon Age: Origins — Steam game cover

    Dragon Age: Origins

    Single-player alternative to Mass Effect (2007) — playable solo, no multiplayer required. Shares RPG with Mass Effect (2007).

    When history tells the story of the Fifth Blight, what will be said about the hero who turned the tide against the darkspawn? Determine your legacy and fight for Thedas as a noble dwarf, an elf far from home, a mage apprentice, or a customized hero of your own design.

    2009RPGDeck PlayableSingle-playerSimilar games →