Early Access
Open World games currently in Steam Early Access, scored by how recently and how regularly they ship updates.
22 games in this view have a Steam AI disclosure. They stay hidden until you ask for them.
Hide AI-disclosed gamesShowing 49–72 of 187 games. AI-disclosed games are included.
Establish a home for your industrious mice under the oppressive paw of your cat overlords in this city builder featuring complex simulations, intricate production chains, and the age-old rivalry between cat and mouse.
Minakata Dynamics · Last signal 5 days ago · 92% positive · 742 playing
Consistency
Very consistent
88/100
A railway-building adventure in an endless, procedurally generated world. Lay tracks, transport passengers and goods, mine resources, and buy unique locomotives. Play solo or with friends and create your ultimate railway network!
Benjamin Voráč · Last signal 5 days ago · 89% positive · 2 playing
Consistency
Consistent
75/100
In The Good Dog: Chasing Shadows, play as a dog defending your family from paranormal creatures. Explore the world and solve environmental puzzles to save your loved ones and uncover the mystery.
Poultry Party Games · Last signal 5 days ago · 84% positive · 2 playing
Consistency
Very consistent
100/100
Obenseuer is an urban survival RPG where you become the property manager of a run-down, unfinished tenement building in the isolated quarantine district of Obenseuer. Maintain and upgrade your tenement for rent, uncover the secrets of this infamous district and grow your wealth with your craft.
Loiste Interactive · Last signal 5 days ago · 95% positive · 647 playing
Consistency
Irregular
48/100
Soulash 2 is a sandbox RPG roguelike with a procedurally generated open world, simulated history, skill-based progression system, customizable abilities, material-based crafting, building, trading, and the possibility of total mayhem. Will you save your world or destroy it?
Artur Smiarowski · Last signal 5 days ago · 85% positive · 51 playing
Consistency
Very consistent
94/100
Keep co-op worlds alive, even when the host is offline. SaveSync is a save syncing, backup, and sharing tool built for co-op games. Seamlessly transfer save files between friends. No more manual copy-pasting or paying for dedicated servers.
SaveSync · Last signal 5 days ago · 93% positive · 1.1k playing
Consistency
Very consistent
100/100
The glory of Rome is at your fingertips in this city-building game where you must appease the gods, enact laws, and develop complex supply chains to meet the needs of your citizens.
Lion Shield · Last signal 5 days ago · 93% positive · 466 playing
Consistency
Very consistent
100/100
A breathtaking open-world adventure awaits! Explore magical realms, restore lost light, and form wordless bonds with players worldwide. Complete quests and solve puzzles in seasonal events that celebrate kindness, discovery, and heartfelt connection.
thatgamecompany · Last signal 5 days ago · 87% positive · 2.2k playing
Consistency
Consistent
65/100
Break Nyx’s curse and guide humanity's rebirth in this top-down 2.5D Action RPG from the creators of CrossCode. Battle enemies with stylish combos, wield multiple divine weapons, solve intriguing puzzles and explore a changing world.
Radical Fish Games · Last signal 5 days ago · 94% positive · 16 playing
Consistency
Consistent
77/100
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.
Youthcat Studio · Last signal 6 days ago · 97% positive · 1.8k playing
Consistency
Irregular
41/100
Soar with the wind as a shape-shifting bird. Explore worlds teeming with life. Discover and morph into hundreds of animal species. Relax and enjoy the freedom of Fugl.
Team Fugl · Last signal 6 days ago · 85% positive · 0 playing
Consistency
Rarely updated
6/100
A classic voxel sandbox combined with in-depth progression through exploration, dungeon crawling and boss battles. Spend every minute discovering new weapons, abilities, resources, enemies, structures, mechanics and tools. With a strong focus on discovery, variety and creativity, the world is yours.
Infinimelon · Last signal 6 days ago · 93% positive · 25 playing
Consistency
Very consistent
100/100
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.
Giant Army · Last signal 6 days ago · 96% positive · 372 playing
Consistency
Irregular
56/100
SimplePlanes is back! Build planes, cars, or anything else using powerful procedural parts! Explore detailed environments with friends in multiplayer, cause chaos, or download 1,000,000 community crafts for free.
Jundroo, LLC · Last signal 6 days ago · 92% positive · 229 playing
Consistency
Consistent
66/100
An alchemical automation game of ever-changing logistical puzzles across six Elemental planes. Each Element transforms how you generate power, move resources, and defend your factory. Cultivate your own garden of possibility with dozens of uniquely shaped structures in this hex-grid sandbox.
CyanAvatar Studios · Last signal 7 days ago · 92% positive · 5 playing
Consistency
Very consistent
83/100
MMORPG Tycoon 2 is a single-player world-builder game about creating the greatest MMORPG of all time – yours.
VectorStorm Pty Ltd · Last signal 7 days ago · 86% positive · 23 playing
Consistency
Very consistent
94/100
Industrial Petting is a cozy factory game about building an adoption empire of adorable pets! Play with friends or solo. Build happy pet pipelines, explore and farm an alien island, and fulfill adoption contracts from across the galaxy!
Another Yeti · Last signal 7 days ago · 91% positive · 0 playing
Consistency
Rarely updated
6/100
Grow the TerraBeast you live on from a tiny patch of land into a whimsical world! In this fully hand-sculpted, playful systemic sandbox, you'll explore vibrant biomes, farm, craft, build, and befriend the wild OddFauna to create a thriving ecosystem.
North Channel · Last signal 7 days ago · 89% positive · 4 playing
Consistency
Very consistent
100/100
Successor to the roguelike RPG "Elona". Adventure, survival, crafting, home-building, myths passed down, and stories of humans and Elea spun. What scars will you leave on the land of Ylva?
Lafrontier · Last signal 7 days ago · 93% positive · 802 playing
Consistency
Consistent
70/100
Play together on the couch or online - or both at once. Taival is a cozy co-op adventure where you and up to 3 friends explore a handcrafted world alongside your shapeshifting companion. Discover new forms, progress through narrative quests, and make the journey your own.
Bonobo Software · Last signal 8 days ago · 85% positive · 0 playing
Consistency
Consistent
77/100
A cozy 2.5D farm-life RPG that runs deep. Grow living soil into legendary harvests, romance 34+ villagers, breed magical animals, cook, fish, and dive the dungeons below for loot. No forced bedtime, no stress, just your dream farm at your own pace.
David Dolynny · Last signal 8 days ago · 88% positive · 8 playing
Consistency
Consistent
71/100
A dark cyberpunk RPG in a bleak dystopian future. Become a "freelancer" in the heart of Slade City, a sprawling urban nightmare of grimy asphalt and broken dreams where crime and disorder run rampant. - Stay Alert. Stay Armed. Stay Alive. Don't lose your humanity.
Corrosive Studios LLC · Last signal 8 days ago · 93% positive · 0 playing
Consistency
Very consistent
100/100
Build a farm… to save the world. Runika combines a cozy 2D sandbox with a story about a world being drawn into the mysterious Rift. Grow crops at your own pace, build your farm, gather resources, craft your own equipment, and uncover what awakens within the Rift.
Pascal Dittrich · Last signal 8 days ago · 87% positive · 2 playing
Consistency
Sporadic
22/100
Grenades are holy relics. Shotguns are spellcraft. In this top-down survival action-RPG, discover a fantasy realm invaded by modern world and destroy nearly everything. Scavenge artifacts, forge weapons, build outposts, brew potions, and hunt the corruption devouring the land. Play solo or co-op.
10tons Ltd · Last signal 8 days ago · 88% positive · 29 playing
Consistency
Very consistent
100/100