IMHO.

Single-player games like MMO98

Below are 17 single-player Steam games similar to MMO98, 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 MMO98 page.

Ranked picks

  1. 1
    Military Incremental Complex — Steam game cover

    Military Incremental Complex

    Single-player alternative to MMO98 — playable solo, no multiplayer required. Shares Strategy and Simulation with MMO98.

    Make weapons, make money. An active incremental game where you amass as much money as you can by starting a Military Industrial Complex company. Produce multiple different weapons, research upgrades, manipulate the stock market, and lobby the government for favors.

    2025StrategySimulation7.99 USDSingle-playerSimilar games →
  2. 2
    FACEMINER — Steam game cover

    FACEMINER

    Single-player alternative to MMO98 — playable solo, no multiplayer required. Shares Strategy and Simulation with MMO98.

    Build a biometric data harvesting empire from scratch in FACEMINER, the hardcore thriller clicker set in 1999. Classify data, upgrade mining infrastructure, and scale up your A.I. surveillance empire to obscene ends in this creepy narrative-driven incremental management sim with a dystopian twist.

    2025ActionStrategyIndie7.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Scritchy Scratchy — Steam game cover

    Scritchy Scratchy

    Single-player alternative to MMO98 — playable solo, no multiplayer required. Shares Simulation with MMO98.

    Scritchy Scratchy is a super-satisfying scratch card incremental game. Buy stacks of scratch-offs, unlock auto-scratching, and chase massive jackpots. Will you play it safe or go all-in?

    2026IndieSimulationCasual5.59 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    God of Stocks — Steam game cover

    God of Stocks

    Single-player alternative to MMO98 — playable solo, no multiplayer required.

    An incremental management game about manipulating the market to get filthy rich. Buy low, sell high, chain absurd combos and earn divine blessings from stock market gods. Will you play it safe or risk everything?

    2026CasualSingle-playerSimilar games →
  5. 5
    OIL.EXE — Steam game cover

    OIL.EXE

    Single-player alternative to MMO98 — playable solo, no multiplayer required. Shares Strategy and Simulation with MMO98.

    Drill the wells. Run the refinery. Read the market. OIL is a free text-based simulation of running a petroleum operation, played at a 1980s green-phosphor terminal. End each year richer or bankrupt. Mind the bear market. Climb the leaderboard.

    2026StrategyIndieSimulationFreeSingle-playerSimilar games →
  6. 6
    Execute — Steam game cover

    Execute

    Single-player alternative to MMO98 — playable solo, no multiplayer required. Shares Strategy and Simulation with MMO98.

    Kill everyone in the world with a guillotine… on a cursed Win98 desktop.

    2025StrategyIndieSimulation5.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Linlang's Ledger — Steam game cover

    Linlang's Ledger

    Single-player alternative to MMO98 — playable solo, no multiplayer required. Shares Strategy and Simulation with MMO98.

    Linlang's Ledger is an idle RPG game with an ancient Chinese trading theme. Starting as a penniless merchant, you will travel across vast countries, learn professional skills, and build connections with all sorts of people, writing a colorful business legend in a relaxed and enjoyable atmosphere.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  8. 8
    Market Chain 98 — Steam game cover

    Market Chain 98

    Single-player alternative to MMO98 — playable solo, no multiplayer required. Shares Strategy and Simulation with MMO98.

    Build your Market Chain in this retro incremental game set inside a nostalgic 90s operating system. Start with a small shop, manage bank loans, expand your logistics hubs, and unlock global upgrades through your Portfolio. Fill your desktop with windows and dominate the market!

    2026StrategyIndieSimulationSingle-playerSimilar games →
  9. 9
    Papers, Please — Steam game cover

    Papers, Please

    Single-player alternative to MMO98 — playable solo, no multiplayer required.

    Congratulations. The October labor lottery is complete. Your name was pulled. For immediate placement, report to the Ministry of Admission at Grestin Border Checkpoint. An apartment will be provided for you and your family in East Grestin. Expect a Class-8 dwelling.

    2013IndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    MMORPG Tycoon 2 — Steam game cover

    MMORPG Tycoon 2

    Single-player alternative to MMO98 — playable solo, no multiplayer required. Shares Strategy and Simulation with MMO98.

    MMORPG Tycoon 2 is a single-player world-builder game about creating the greatest MMORPG of all time – yours.

    2020StrategyIndieSimulation24.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    Cookie Clicker — Steam game cover

    Cookie Clicker

    Single-player alternative to MMO98 — playable solo, no multiplayer required. Shares Strategy and Simulation with MMO98.

    An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.

    2021StrategyIndieSimulation4.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    Unicycle Pizza Time! — Steam game cover

    Unicycle Pizza Time!

    Single-player alternative to MMO98 — playable solo, no multiplayer required.

    Uh oh, seems like your delivery bike got stolen, but the pizzas need to keep being delivered!

    2024IndieAdventure4.99 USDDeck VerifiedSingle-playerSimilar games →
  13. 13
    Forge Industry — Steam game cover

    Forge Industry

    Single-player alternative to MMO98 — playable solo, no multiplayer required. Shares Strategy with MMO98.

    Forge your destiny as a blacksmith! Automate your workshops, optimize your supply chain, research new materials, craft legendary weapons, and cast your place in the world.

    2023StrategyIndie9.99 USDSingle-playerSimilar games →
  14. 14
    Overtime Anomaly — Steam game cover

    Overtime Anomaly

    Single-player alternative to MMO98 — playable solo, no multiplayer required.

    You're working overtime again in your dead-end job, whilst your boss is on vacation. However, strange things are happening throughout the office. Complete your daily work tasks, explore your office, report any anomalies you may find, and you may just find yourself getting a promotion...

    2025IndieAdventure5.99 USDSingle-playerSimilar games →
  15. 15
    My Virtual Friend — Steam game cover

    My Virtual Friend

    Single-player alternative to MMO98 — playable solo, no multiplayer required. Shares Simulation with MMO98.

    Feeling lonely? Not anymore with My Virtual Friend, a desktop pet/idler where different characters can keep you company. Take care of them, buy them new outfits, play games with them, or just let them sit back and follow along with whatever you're doing.

    2025SimulationCasual3.99 USDSingle-playerSimilar games →
  16. 16
    Kyoto Anomaly — Steam game cover

    Kyoto Anomaly

    Single-player alternative to MMO98 — playable solo, no multiplayer required. Shares Simulation with MMO98.

    You find yourself trapped in the endless maze of Kyoto's backstreets, trying to reach the temple of Hōkan-ji before the main tourist rush. Inspect the street for anomalies, choose the right path, and reach your destination... or be trapped forever.

    2025IndieAdventureSimulation3.99 USDSingle-playerSimilar games →
  17. 17
    Silicon Architect — Steam game cover

    Silicon Architect

    Single-player alternative to MMO98 — playable solo, no multiplayer required. Shares Strategy and Simulation with MMO98.

    An incremental hardware engineering game with a Windows XP themed UI. Configure and optimize processor components, build your own CPU, and run automated benchmarks. Harvest telemetry and gather research funding to unlock new hardware, and scale your processing power.

    2026StrategyIndieSimulationSingle-playerSimilar games →