Single-player Games
Discover the best co-op games on Steam. Access estimated total revenue, median sales per game, saturation levels, and top-performing titles to benchmark your project.
Games with Single-player
Explore 152628 games featuring single-player

To The Core
To The Core is an incremental game about extracting and using resources from planets to buy upgrades.

SpaceChem
Zachtronics is back with an ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform raw materials into valuable chemical products!

What Never Was
What Never Was is a short, story-driven first-person game focused on exploration and puzzle-solving about Sarah, having to shoulder the arduous task of clearing out her grandfathers attic, and soon finds that not everything about the attic is what it seems.

Root
Might makes right in the wild wood! The award-winning board game of asymmetrical woodland warfare comes to cross-platform digital play! Combine subtle strategy and bold daring to guide your forest faction to victory!

SUCCUBUS
Become a demonic priestess of lust and use her unique skills to take revenge on your enemies. Regain your kingdom making hell tremble under your hooves! Leave no one alive if they won't bend the knee.

THE KING OF FIGHTERS 2002 UNLIMITED MATCH
KOF 2002 UM is the 2nd title in the UM Series and a fully upgraded ver. of KOF 2002, a masterpiece of the KOF Series deserving its place of honor alongside KOF ’98. Based on THE NESTS CHRONICLES, 2002 UM includes the most characters of any title in the KOF Series, and fighting game history!

Katawa Shoujo
Katawa Shoujo is a romantic visual novel set in the fictional Japanese Yamaku High School for disabled children. Hisao's congenital heart defect forces him to move to a new school. Despite his difficulties, Hisao is able to find friends—and perhaps love, if he plays his cards right.

Waven
Forge your own destiny! Choose your character, equip your best spells and sail from island to island in quest of fortune and glory. Level up your hero and your strategy in this free-to-play tactical multiplayer RPG with unique colorful graphics.

God Of Weapons
Embark on a thrilling journey in God of Weapons, an action roguelike where you must ascend the tower of Zhor to reclaim the last light for the world. To survive the monster onslaught on each tower's level, you'll need to obtain and carefully organize weapons and accessories in your inventory.

Turing Complete
Learn CPU architecture with puzzles

Alpha Protocol™
Loyalty carries a price and no one knows this more than agent Michael Thorton. A talented young agent cast out by his government, Thorton is the only one with the information needed to stop an impending international catastrophe.

The Gunk
The Gunk is an action-adventure game in which you play as Rani, part of our duo of gritty space haulers. As they’re struggling to bring in funds, they chance upon an untouched planet brimming with life. They came in search of valuable resources, and it looks like they’ve hit the jackpot…

Observation
Observation is a sci-fi thriller uncovering what happened to Dr. Emma Fisher, and the crew of her mission, through the lens of the station’s artificial intelligence S.A.M.

Crime Simulator
You’re out of jail, but the debt isn’t gone. Sneak, steal, and break into houses solo or in 4-player co-op. Use lockpicks, sleeping gas, and brute force to complete jobs, outsmart security, and make enough money before time runs out. Will you pay back what you owe, or lose everything?

The Darkside Detective
Grab your trench coat, tune your sixth sense and join the Darkside Division as they investigate the outright bizarre, the downright dangerous and the confusing cases of Twin Lakes. Flesh-hungry tentacles, mafian zombies, and the occasional missing sock are no match for The Darkside Detective.

MO:Astray
MO: Astray is a pixel art, side-scrolling, action-platformer. Lead MO through mind-bending puzzles using special abilities. Bizarre enemies, threatening traps and ingenious level designs await.

Worms Reloaded
Ten years on from Worms™ Armageddon and the turn-based comic mayhem continues in Worms™ Reloaded, an all-new edition available for PC through Steam.

SCP: Secret Files
SCP: Secret Files is a collection of paranormal cases from the SCP Foundation, an organization tasked with containing dangerous anomalies. You join as an assistant researcher for Dr. Raymond Hamm and complete a strenuous induction program that will make you question everything you know.
![[Nightmare Files] Clap Clap](/_next/image?url=https%3A%2F%2Fshared.akamai.steamstatic.com%2Fstore_item_assets%2Fsteam%2Fapps%2F2933290%2Fheader.jpg%3Ft%3D1765139513&w=3840&q=75)
[Nightmare Files] Clap Clap
Clap Clap is a short indie horror game that puts you in the shoes of a house sitter, experiencing strange occurrences in a seemingly ordinary home.

Xenonauts
Xenonauts is a strategy game in which you control a multi-national military organisation defending a Cold War-era Earth from alien invasion, using small squads of persistent soldiers to eliminate the extraterrestrials and recover their technology in turn-based ground combat.