IMHO.

Single-player games like O.R.B.S.

Below are 9 single-player Steam games similar to O.R.B.S., 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 O.R.B.S. page.

Ranked picks

  1. 1
    Knightfall Idle — Steam game cover

    Knightfall Idle

    Single-player alternative to O.R.B.S. — playable solo, no multiplayer required.

    Knightfall Idle is a medieval idle RPG made by Gibber. Gather, process, trade, and fight across 10 skills while your kingdom runs in the background. Join a Fief, raid bandit camps, compete in seasonal leagues, or stay in the permanent realm. 450+ passive tree nodes. Free to play.

    2026StrategyIndieMassively MultiplayerFreeSingle-playerSimilar games →
  2. 2
    Remain At Your Desk — Steam game cover

    Remain At Your Desk

    Single-player alternative to O.R.B.S. — playable solo, no multiplayer required. Shares Simulation and Casual with O.R.B.S..

    Incremental hacker about faking productivity while stealing from your employer. Sell intel for credits or keep it and raise suspicion. One bad audit and you’re back to Intern.

    StrategySimulationCasualSingle-playerSimilar games →
  3. 3
    Guild Idle — Steam game cover

    Guild Idle

    Single-player alternative to O.R.B.S. — playable solo, no multiplayer required.

    An incremental idle RPG focused on hero management, buildcraft, optimization, and long-term progression. Develop powerful heroes, push them through the endless Eternal Strife, and immortalize them in asynchronous PvP where their legacy strengthens future generations.

    StrategyRPGSingle-playerSimilar games →
  4. 4
    FORK BOMB: A Programming Game — Steam game cover

    FORK BOMB: A Programming Game

    Single-player alternative to O.R.B.S. — playable solo, no multiplayer required. Shares Simulation with O.R.B.S..

    Write real code in a Python-like language to control one machine that copies itself. Then watch a thousand copies of your program eat a world. A single-player programming incremental game about self-replicating machines.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  5. 5
    SYSCALL: RING ZERO — Steam game cover

    SYSCALL: RING ZERO

    Single-player alternative to O.R.B.S. — playable solo, no multiplayer required. Shares Simulation and Casual with O.R.B.S..

    Reverse-engineer a private 1990s BBS. Read disassembly, patch broken checks, optimize a nine-core rack, and write assembly firmware that locks onto live scope traces. With 200+ puzzles, full controller support and offline play, you can refine your assembly skills on all your devices!

    2026StrategyIndieSimulation12.74 USDSingle-playerSimilar games →
  6. 6
    Idle Hacking: An Inaction RPG — Steam game cover

    Idle Hacking: An Inaction RPG

    Single-player alternative to O.R.B.S. — playable solo, no multiplayer required.

    A persistent idle MMORPG, with a text-based hacking theme. Enjoy the "Inaction RPG" design philosophy by crafting equpiment using ARPG influenced prefix/suffix systems, build or join player managed syndicates, trade on the marketplace, and compete in community events.

    2026IndieMassively MultiplayerRPGFreeDeck PlayableSingle-playerSimilar games →
  7. 7
    Stick Legion — Steam game cover

    Stick Legion

    Single-player alternative to O.R.B.S. — playable solo, no multiplayer required. Shares Simulation and Casual with O.R.B.S..

    Your income isn't a spreadsheet - it's a battle line. Muster warbands, carve across eight realms, then dock the war in a screen corner and fight on while you work - Order the Last Charge, strengthen your Elders, run it back. Pay once. No ads.

    2026StrategyIndieSimulation6.29 USDSingle-playerSimilar games →
  8. 8
    Bug Bounty Hunter --Idle — Steam game cover

    Bug Bounty Hunter --Idle

    Single-player alternative to O.R.B.S. — playable solo, no multiplayer required. Shares Simulation and Casual with O.R.B.S..

    An idle hacking sim where you scan for real vulnerabilities, automate your tools, and manage CPU, RAM, and heat before your machine crashes. Climb bounty programs, deploy to the cloud, and build a satirical hacking career from your terminal.

    2026IndieSimulationCasual7.19 USDSingle-playerSimilar games →
  9. 9
    Court Wizard — Steam game cover

    Court Wizard

    Single-player alternative to O.R.B.S. — playable solo, no multiplayer required. Shares Casual with O.R.B.S..

    Cast spells, brew potions, and command defenders in this real-time strategy game. Choose from wildly different wizard archetypes, master spells with talent trees, and survive endless waves of attackers. Every wizard changes how you play. Can you defeat all of the bosses?

    2026StrategyIndieRPG4.00 USDSingle-playerSimilar games →