IMHO.

Single-player games like Project Echo: Downfall

Below are 8 single-player Steam games similar to Project Echo: Downfall, 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 Project Echo: Downfall page.

Ranked picks

  1. 1
    THE DARK SIDE OF CECLON — Steam game cover

    THE DARK SIDE OF CECLON

    Single-player alternative to Project Echo: Downfall — playable solo, no multiplayer required. Shares Action and Indie with Project Echo: Downfall.

    Jensen, the sole survivor of the Nexentia shuttle crash on the planet CECLON. Alone, light years away from all human life! You will have to face the Nocturnes, primitive creatures in order to bring back the Veka energy, humanity's only hope.

    2025ActionIndieAdventure7.49 USDSingle-playerSimilar games →
  2. 2
    El Paso, Elsewhere 2 — Steam game cover

    El Paso, Elsewhere 2

    Single-player alternative to Project Echo: Downfall — playable solo, no multiplayer required. Shares Action and Indie with Project Echo: Downfall.

    MORE STAKES. MORE GUNS. MORE SLOW-MO. James Savage returns in this sequel to the hit third-person shooter. Escape the Void. Fight creatures pulled from myth, history, and imagination. Save yourself.

    ActionIndieAdventureSingle-playerSimilar games →
  3. 3
    Frontiers Reach : Mercenaries — Steam game cover

    Frontiers Reach : Mercenaries

    Single-player alternative to Project Echo: Downfall — playable solo, no multiplayer required. Shares Action and Indie with Project Echo: Downfall.

    Step into the shoes of a mercenary on the edge of human occupied space as you engage in an immersive world of survival, faction warfare, and a fight to stop an alien empire from destroying human life on the frontier of outer space.

    ActionIndieAdventureFreeSingle-playerSimilar games →
  4. 4
    Hold or Die — Steam game cover

    Hold or Die

    Single-player alternative to Project Echo: Downfall — playable solo, no multiplayer required. Shares Action and RPG with Project Echo: Downfall.

    Hold or Die is a last-stand cooperative survival 1st/3rd person shooter where you need protect your base against hordes of mutants. Unite with other survivors. Craft barricades traps and turrets. And try to survive.

    2022ActionMassively MultiplayerRPG14.99 USDSingle-playerSimilar games →
  5. 5
    白之追猎 Hunter White — Steam game cover

    白之追猎 Hunter White

    Single-player alternative to Project Echo: Downfall — playable solo, no multiplayer required. Shares Action and Indie with Project Echo: Downfall.

    White Hunt is a 2.5D open sandbox co-op hunting game. Every weapon features unique branching attack chains. Mix and match countless talismans to forge your exclusive combat style!

    2027ActionIndieAdventureSingle-playerSimilar games →
  6. 6
    The Riftbreaker — Steam game cover

    The Riftbreaker

    Single-player alternative to Project Echo: Downfall — playable solo, no multiplayer required. Shares Action and Strategy with Project Echo: Downfall.

    The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.

    2021ActionStrategyIndie11.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Tom Clancy’s The Division® 2 — Steam game cover

    Tom Clancy’s The Division® 2

    Single-player alternative to Project Echo: Downfall — playable solo, no multiplayer required. Shares Action and Adventure with Project Echo: Downfall.

    Join The Division in this open world tactical shooter. Engage in intense cover-based combat, team up with friends, and build your ultimate agent to save Washington, D.C.

    2023ActionAdventureRPG29.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    DeadPoly — Steam game cover

    DeadPoly

    Single-player alternative to Project Echo: Downfall — playable solo, no multiplayer required. Shares Action and Indie with Project Echo: Downfall.

    DeadPoly is a polygon arcade zombie survival looter shooter with base building, crafting, scavenging, leveling, questing, and more, but your only goal is survival, everything else is optional.

    2022ActionIndieAdventure9.99 USDDeck PlayableSingle-playerSimilar games →