Single-player games like Cardboard Leagues
Below are 8 single-player Steam games similar to Cardboard Leagues, 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 Cardboard Leagues page.
Ranked picks
- 1
Sports Card Collector Simulator
Single-player alternative to Cardboard Leagues — playable solo, no multiplayer required. Shares Sports and Indie with Cardboard Leagues.
Run your own booth at the world’s largest sports collectors convention. Buy, sell, trade, and open packs and mystery boxes while upgrading and customizing your booth to attract customers and outsell the competition. Collect and grade cards, memorabilia, and more to build your sports card empire.
- 2
Idle Colors
Single-player alternative to Cardboard Leagues — playable solo, no multiplayer required. Shares Indie and Simulation with Cardboard Leagues.
Strategize with 8 unique currencies, each with upgradable production chains. Master triple prestige systems, evolve your economy, upgrade generators tiers, optimize through conversion, and dominate leaderboards in this deep idle experience.
- 3
Console Shop Simulator
Single-player alternative to Cardboard Leagues — playable solo, no multiplayer required. Shares Indie and Simulation with Cardboard Leagues.
Become the owner of a game store! Organize shelves, repair CDs, negotiate profits, promote your store via live stream, and increase customer satisfaction.
- 4
Factory Outlet Simulator
Single-player alternative to Cardboard Leagues — playable solo, no multiplayer required. Shares Indie and Simulation with Cardboard Leagues.
Factory Outlet Simulator is a very comprehensive product manufacturing and selling game. You can produce the products of world famous brands in your factory and sell them. Or you can expand your business and create your own brand. Use your business acumen to lead the market from zero to the top!
- 5
Military Incremental Complex
Single-player alternative to Cardboard Leagues — playable solo, no multiplayer required. Shares Simulation with Cardboard Leagues.
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.
- 6
Supercar Collection Simulator
Single-player alternative to Cardboard Leagues — playable solo, no multiplayer required. Shares Indie and Simulation with Cardboard Leagues.
Start your own diecast store! Unbox surprise car packs, expand your collection, oin exciting races with customers on the tracks, and play online trading games. A world full of speed and excitement is waiting for you in your store!
- 7
Out of the Park Baseball 27
Single-player alternative to Cardboard Leagues — playable solo, no multiplayer required. Shares Sports and Indie with Cardboard Leagues.
27 years of sports gaming excellence! Out of the Park Baseball 27 is here - officially licensed by MLB, the MLB Players Inc. and KBO! You are firmly in charge of your favorite baseball franchise - today or at any point in history! Your team, your way, your rules.
- 8
Hammerting
Single-player alternative to Cardboard Leagues — playable solo, no multiplayer required. Shares Indie and Simulation with Cardboard Leagues.
Manage a Dwarven mining colony in the unexplored mountains of Mara. As conflict rages in the Overworld, you will need to craft, explore and fight as you provide the allies of your choice with the finest weapons and gear to assist them in the battle for glory.