IMHO.

Single-player games like Echo Zero

Below are 10 single-player Steam games similar to Echo Zero, 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 Echo Zero page.

Ranked picks

  1. 1
    Deepworks — Steam game cover

    Deepworks

    Single-player alternative to Echo Zero — playable solo, no multiplayer required. Shares Strategy and Indie with Echo Zero.

    Earth is gone. The fleet is hungry. Drop a Hub on a generated claim, find the seam, and let the robots dig. Every machine you build makes noise — and noise is how the machines that took the planet find you. Hold the line, launch with the take, sell it, and go deeper.

    StrategyIndieSimulationSingle-playerSimilar games →
  2. 2
    CitaDrill — Steam game cover

    CitaDrill

    Single-player alternative to Echo Zero — playable solo, no multiplayer required. Shares Strategy and Indie with Echo Zero.

    Captain a giant drill-city in this roguelite citybuilder. Dig deep into an infested planet, collect resources, expand your city under the dome, upgrade your drill, and protect yourself against waves of fearsome creatures together with your mettle and paw-some cat crew.

    2026StrategyIndieSingle-playerSimilar games →
  3. 3
    Botfestation — Steam game cover

    Botfestation

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

    Humanity built a limitless vending machine. Dr. Bio sent his techno-insect army to destroy it. Defend the prototypes in your exoskeleton bot, deploy towers in 1-4 player co-op, and save humanity’s future of free snacks, peace, and suspiciously convenient prosperity.

    ActionStrategyIndieSingle-playerSimilar games →
  4. 4
    Glorpotron — Steam game cover

    Glorpotron

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

    A tower defense roguelike about robots and ooze. Play solo or local multiplayer, protect the Glorp, and defeat the creeps. 

    2026ActionStrategyIndie9.74 USDSingle-playerSimilar games →
  5. 5
    Action & Automation — Steam game cover

    Action & Automation

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

    Fight directly as a Commander in a 2D side-scrolling action-RTS while Flux and Forge build systems that keep working—and Shade infiltrates and disrupts the enemy. Gather physical Nuts and master three asymmetric machine species.

    ActionStrategySingle-playerSimilar games →
  6. 6
    Ironfront Express — Steam game cover

    Ironfront Express

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

    Upgrade your engine’s arsenal in this bullet hell, tower defense roguelite featuring the most heavily armored locomotive in existence. Engineer and command the Ironfront Express in a unique take on lane defense where you upgrade with specialized turrets, drones, and tactical abilities.

    ActionStrategySingle-playerSimilar games →
  7. 7
    Diseased — Steam game cover

    Diseased

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

    Build your camp in the freezing cold and make tough choices. Capture walls to expand your borders and send your men to explore. Risk it all for vital resources, as surviving the relentless waves of the Diseased emerging from the dark will be harder than you think.

    ActionStrategyIndieSingle-playerSimilar games →
  8. 8
    We Build Below — Steam game cover

    We Build Below

    Single-player alternative to Echo Zero — playable solo, no multiplayer required. Shares Strategy with Echo Zero.

    Get rich or get eaten. Build underground factories, automate production, and defend against parasites in this 1-3 player roguelite.

    2026StrategyEarly AccessSingle-playerSimilar games →
  9. 9
    Nitro Kid — Steam game cover

    Nitro Kid

    Single-player alternative to Echo Zero — playable solo, no multiplayer required. Shares Strategy and Indie with Echo Zero.

    Synthwave roguelike deckbuilder set in the neon 80's. Pick your agent. Build your deck. Hit card combos and fight through the floors of INFINITY tower. Featuring 30+ fresh Synthwave tracks by LudoWic, Tonebox and Jules Reves.

    2022StrategyIndie3.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    ATONE: Heart of the Elder Tree — Steam game cover

    ATONE: Heart of the Elder Tree

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

    ATONE is a Norse mythology-inspired, hand-drawn game that blends interactive storytelling and complex puzzles with a rhythm game combat system. Inherit the role of a young warrior named Estra as she journeys through Midgard to unveil the truth behind her father’s death.

    2023ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →