IMHO.

Single-player games like ZERO KNOWLEDGE

Below are 8 single-player Steam games similar to ZERO KNOWLEDGE, 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 ZERO KNOWLEDGE page.

Ranked picks

  1. 1
    Terminal Warfare — Steam game cover

    Terminal Warfare

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

    Terminal Warfare is a cyberpunk deckbuilding roguelike where you breach corporate networks in turn-based hack battles. Queue exploit cards, manage bandwidth and trace, earn creds, build your deck, and craft cyberdeck upgrades to take down tougher AI defenses.

    2026StrategyIndie10.99 USDSingle-playerSimilar games →
  2. 2
    Nybble — Steam game cover

    Nybble

    Single-player alternative to ZERO KNOWLEDGE — playable solo, no multiplayer required. Shares Indie with ZERO KNOWLEDGE.

    Your deck is your code. Build branching, looping programs from cards to hit byte targets and outwit rival hackers. A programming-themed roguelike deckbuilder with a heat-driven mastery climb, runaway combos, and a final boss who's been watching you the whole time.

    2026Indie9.99 USDSingle-playerSimilar games →
  3. 3
    Dystopia Girls : Countdown — Steam game cover

    Dystopia Girls : Countdown

    Single-player alternative to ZERO KNOWLEDGE — playable solo, no multiplayer required. Shares Indie with ZERO KNOWLEDGE.

    Save humanity with six girls! This is a Visual Novel RPG featuring roguelite elements. Reclaim the lost surface and experience the stories of each android girl. You have 30 days to defend humanity's last stronghold

    2026IndieRPG2.99 USDSingle-playerSimilar games →
  4. 4
    Into The Grid — Steam game cover

    Into The Grid

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

    Become a master hacker in this Cyberpunk Roguelike Deckbuilder. Explore the dangers of cyberspace and fight evil corporations. Build and upgrade a deck of powerful programs. Unlock perks and skills, and unleash digital hell on your enemies. Dive Into The Grid!

    2025StrategyIndieRPG11.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Husk Protocol — Steam game cover

    Husk Protocol

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

    ATTENTION! HUSK PROTOCOL INITIATED! Prepare to engage in a challenging deck-driven mecha game. Synergise between powerful Husks, utilise a dynamic deck and avoid detection from the city’s mainframe as you infiltrate the machine-driven brutopolis of Aeterna.

    StrategyIndieSingle-playerSimilar games →
  6. 6
    Hackagon: Cyber Card Battler — Steam game cover

    Hackagon: Cyber Card Battler

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

    HACKAGON is a fast 1v1 cyber card battler. Breach the network with the red team or defend it with the blue team. Cards are played face-down and revealed at the same time, so victory comes from reading your opponent, not moving first. Build your 12-card deck, claim the areas, and take the network.

    2026StrategyIndieFree To PlayFreeSingle-playerSimilar games →
  7. 7
    Tamespire — Steam game cover

    Tamespire

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

    A cozy-dark creature-collection roguelite deckbuilder. Tame Spirelings, fuse their moves into a living deck, and climb a Spire that rebuilds itself every run. Evolve your team, master five clashing elements, and push your luck through endless Ascensions.

    2026ActionStrategyIndie3.99 USDSingle-playerSimilar games →
  8. 8
    Save Humanity.exe — Steam game cover

    Save Humanity.exe

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

    A roguelike deckbuilder based around designing a microchip from a pile of junk circuits to out compute incoming viruses trying to crash your system. Combo hardware with software programs to chain multipliers that overflow your FLOP meter before the glitches overwhelm you.

    2027StrategyCasualSingle-playerSimilar games →