Single-player games like Underworld Idle
Below are 15 single-player Steam games similar to Underworld Idle, 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 Underworld Idle page.
Ranked picks
- 1
Fastest Hands In The WASD
Single-player alternative to Underworld Idle — playable solo, no multiplayer required. Shares Strategy and Indie with Underworld Idle.
A Wild West themed incremental/clicker game, but this time you type WASD to shoot. Utilize and customize the various weapons to find a combo that works for you, or use the Showdown and Training modes to benchmark how fast you can type WASD.
- 2
Go To Hell Must
Single-player alternative to Underworld Idle — playable solo, no multiplayer required. Shares Strategy and Indie with Underworld Idle.
Want to decide where mortals go when they die? Welcome to hell! With one click, you can decide whether mortals should go to heaven or stay in hell.
- 3
Hamster Bomba
Single-player alternative to Underworld Idle — playable solo, no multiplayer required. Shares Indie with Underworld Idle.
click click click
- 4
Antimatter Dimensions
Single-player alternative to Underworld Idle — playable solo, no multiplayer required. Shares Strategy and Indie with Underworld Idle.
Earn antimatter through dimensions! Gain Infinite antimatter to collapse the universe!
- 5
Mewing Simulator 🤫🧏🏻♂️
Single-player alternative to Underworld Idle — playable solo, no multiplayer required. Shares Indie with Underworld Idle.
Funny clicker game👆 in which you should increase your chin🤫🧏🏻♂️ for becoming trully sigma😎. Upgrade your Brainrot🧠 and Gyat Size🍑 and etc for more score! 💪💪💪🚽
- 6
Clicker Heroes
Single-player alternative to Underworld Idle — playable solo, no multiplayer required. Shares Strategy and Indie with Underworld Idle.
Click your way through hordes of monsters, earn gold, and recruit quirky heroes with powerful skills. Progress even while you're idle, and watch the numbers climb into the absurd. It’s a never-ending journey of clicks, crits, and colossal damage.
- 7
Swag and Sorcery
Single-player alternative to Underworld Idle — playable solo, no multiplayer required. Shares Strategy and Indie with Underworld Idle.
Grind for resources, manage your own fantasy village, create and equip your heroes and send them to collect swag in Swag and Sorcery - a new streamlined RPG from the creators of Punch Club and Graveyard Keeper.
- 8
NGU IDLE
Single-player alternative to Underworld Idle — playable solo, no multiplayer required. Shares Indie and Free To Play with Underworld Idle.
NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!
- 9
Epic Auto Towers
Single-player alternative to Underworld Idle — playable solo, no multiplayer required. Shares Strategy and Indie with Underworld Idle.
Epic Auto Towers is a turn-based strategy game combining elements of autobattler, deckbuilder and roguelike. Purchase uncommon and rare Towers and build the strongest combo to withstand the monster assault! Discover unusual new Tower combinations as you come back for more.
- 10
50 years
Single-player alternative to Underworld Idle — playable solo, no multiplayer required. Shares Strategy and Indie with Underworld Idle.
50 Years is a fast-paced alternative to the bigger, longer turn-based strategy games. You can win or lose a game in a single evening. Either way you'll want to play it again.
- 11
Realm Revolutions
Single-player alternative to Underworld Idle — playable solo, no multiplayer required. Shares Free To Play with Underworld Idle.
Earning coins and resources is more fun than ever with this new idle game inspired by Swarm Simulator and Realm Grinder! Buy buildings and hire people, and be ready for a revolution! Your citizens will be very happy if you deal with their discontent, giving you a production bonus!
- 12
Territory Idle
Single-player alternative to Underworld Idle — playable solo, no multiplayer required. Shares Strategy and Indie with Underworld Idle.
Strategic idle game. Develop the kingdom, then abdicate and get gold! For gold, you can buy new tiles and expand the territory.
- 13
DPS IDLE
Single-player alternative to Underworld Idle — playable solo, no multiplayer required. Shares Indie and Free To Play with Underworld Idle.
Collect cards, upgrade cards, defeat monsters, join guilds and hire heroes. Raise your DPS!
- 14
50 Years Classic
Single-player alternative to Underworld Idle — playable solo, no multiplayer required. Shares Strategy and Indie with Underworld Idle.
50 Years Classic is a minimalist turn-based strategy game where you can choose from a variety of nations, each with its own unique feature. The game offers fast, engaging gameplay with high replayability. This is a free version of the game "50 years".
- 15
Land Of Opportunities
Single-player alternative to Underworld Idle — playable solo, no multiplayer required. Shares Strategy and Indie with Underworld Idle.
Start from zero: no money, no shelter, no ID. Struggle to survive by taking on odd jobs in the subway and at the market until you can scrape together enough to buy a diploma and get to work. Upgrade your IQ by building a computer. And here's a twist: COMPUTER GAMES also boost your IQ in this game!