Games like Underworld Idle on Steam
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Coloring Game 3
Coloring Game 3 is a new paint-by-number game which has already won hearts of numerous players. Now the game offers new difficulty modes.
Something for Someone Else
Something for Someone Else is a short atypical experience, a brief journey into the mind of a distressed game developer that feels haunted by a game he made. All in the form of a poorly hand drawn narrative platformer accompanied by the beautiful musics of Celluloid Jam.
Tasty Blue
Tasty Blue is an underwater side-scrolling eat 'em up game. You start as a small goldfish with an insatiable appetite. After being overfed by your owner, you'll escape into the ocean and eat everything that you encounter. The more you eat, the bigger you get!
KAMI
KAMI is deceptively simple: fold out coloured paper to fill the screen in as few moves as possible. Relaxing and easy to pick up, you'll soon find yourself deep in contemplation to perfect each puzzle. Created by State of Play, famous for their handcrafted aesthetic, KAMI has been created with real paper in an elegant Japanese theme.
Wizards
Artillery tactics games are back! Grab some friends and get ready for an all out Wizard war! Create your own way of play with tons of unique spells to choose from. With randomly generated terrain and unlimited combinations, you'll never know what will happen next. Completely free to play.
Fruit Postal Service
Fruit Postal Service is a package-delivery, battle-racing game where you play as members of the Fruit Postal Service: Walter Melon, Bandana-nana, Jack Apple, and more! Use your unique fruity abilities to deliver the most fruit to your customers and become employee of the month!
Lost Lands: A Hidden Object Adventure
Persecuted by ill fate, the elven nation land on a lost island. They'll need sharp blades as well as sharp minds to survive. An exciting hidden-object adventure game which tells the story of an ancient elven tribe forced to survive on a long-lost island.
The Call of Karen
The Call of Karen is a PC simulation comedy game about a 1950s suburban housewife whose home is being invaded by Cthulhu. Keep up appearances in the face of an unhappy marriage, ungrateful child, and eldritch madness!
Coloring Game
Coloring Game is a fantastic anti-stress game. Animate the pixel picture by coloring it in full!
Mitos.is: The Game
Step into the microscopic world of Mitos.is! Eat or be eaten—become the ultimate cell in a highly addictive multiplayer game. Diverse modes, daily tournaments, guilds, and gear await! The BEST game of 2015 is back!
Poker Night 2
The chips are down and the ante is up in this sentence already bursting with poker clichés! Take the fifth seat in Poker Night 2, at a table featuring Claptrap (Borderlands 2), Brock Samson (The Venture Bros.), Ash (Army of Darkness) and Sam (Sam and Max series).
AdVenture Capitalist
Welcome, eager young investor, to AdVenture Capitalist! Arguably the world's greatest Capitalism simulator!
Tap Heroes
Welcome to the first puppet show RPG! Participate in battling a ton of foes, buy new upgrades, cast magic and recruit new Heroes. Or just sit back and enjoy the show as your Heroes fight on their own while you watch or do other things.
SuchArt: Creative Space
Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!
Costume Quest
A Halloween adventure from Tim Schafer's Double Fine Productions.
无休仙途
This is a casual strategic placement game. In the aerial world set in ancient China, players will play the role of a descendant of the Immortal Cultivation Sect. Travel through the barren continent, obtain various resources, build your sect, and ultimately ascend to the immortal realm.
Zen of Sudoku
From the creators of Natural Selection comes Zen of Sudoku, a relaxing, easy to play version of Sudoku for your PC.Relax with hand-painted Japanese-styled backgrounds, no timer and lush natural soundscapes.Stimulates your brain to keep it healthy and alert.
Gooba Ball
A physics-based puzzle game where you combine colorful balls to achieve the ultimate form -- Goober! Combine two of a kind until, like I said, Goober… What more to do you freakin’ want?