Early Access
Sandbox games in Steam Early Access, scored by how recently and how regularly they ship updates. Filtered to actively updated.
Showing 1โ24. AI-disclosed games are hidden.
War Room is a 2D tactical sandbox tool built for historical study, content creation, and Kriegsspiel enthusiasts. Transform historical maps into living battlefields driven by morale and logistics โ to analyze, educate, and simulate military engagements.
Lado B Studios ยท Last update today ยท Mixed ยท 65% of 51 ยท 1 playing
Update frequency
Very consistent
86/100
Destiny of Immortal is a cultivation RPG with branching plots and the nonstop wish-fulfillment thrills of a top web novel. At creation's dawn, a few Treasures of Creation were born, each world-reshaping. One falls into your hands by chanceโand your immortal rise begins.
LeiYun Games ยท Last update today ยท Mostly Positive ยท 80% of 2,088 ยท 94 playing
Update frequency
Very consistent
100/100
Lawgivers II is a political sandbox game that features multiple electoral systems, approve/reject bills and govern a country. Start out your career from the very bottom, and perhaps one day, lead your nation to become the most influential in the world.
Damian Bernardi ยท Last update today ยท Mostly Positive ยท 70% of 722 ยท 58 playing
Update frequency
Very consistent
100/100
Forge your legend in a forgotten realm! Farever is an online multiplayer action RPG set in a vast fantasy open world. Alone or with friends, embark on an epic journey together! Explore wild lands and dangerous dungeons, craft powerful gear, and carve your path through dynamic combat and platforming.
Shiro Games ยท Last update today ยท Mostly Positive ยท 76% of 9,682 ยท 434 playing
Update frequency
Very consistent
88/100
Card Survival: Fantasy Forest is a card-based deep survival simulator and the next installment in the Card Survival Series. Carve yourself a home in a primordial forest that has a will of its own. A day-to-day life simulator in a world where nature reigns with mystery, beauty and sometimes cruelty.
WinterSpring Games ยท Last update today ยท Mostly Positive ยท 77% of 1,191 ยท 54 playing
Update frequency
Consistent
78/100
The perfect blend of Action, Adventure and RTS. Begin your journey as the lowly captain of a small vessel. End as the commander of a threatening fleet. Rise to glory how you see fit. Trade, fight, recruit, grow, pillage, ally, destroy & conquer.
IrishJohnGames ยท Last update yesterday ยท Mostly Positive ยท 79% of 556 ยท 8 playing
Update frequency
Very consistent
88/100
Online voxel sandbox where you can build anything imaginable. Forget simple cubes โ sculpt slopes, curves, and structures of any size with many realistic materials. Your imagination is the only limit!
Reuniko ยท Last update yesterday ยท Positive ยท 100% of 12 ยท 0 playing
Update frequency
Consistent
77/100
A TPS/FPS RPG set in a post-apocalyptic setting: a shooter with survival elements. Explore a dangerous open world, craft equipment, trade with factions, and build your reputation to secure the best deals. Uncover the secrets of the Zone and become a versatile fighter!
RPAX GAMING ยท Last update yesterday ยท Mostly Positive ยท 70% of 30 ยท 3 playing
Update frequency
Very consistent
100/100
Survive in a harsh and dangerous world after an alien invasion. Gather resources, craft equipment, fight mutants and massive monsters, use weapons, vehicles and robots, explore territories, defend strongholds and fight for survival.
LIFE EFFECT ยท Last update yesterday ยท Very Positive ยท 86% of 581 ยท 13 playing
Update frequency
Consistent
68/100
A Town Builder + Factory Sim where you fully automate a tropical village and feed a giant volcano. Use conveyor belts, trains, boats, zip lines, pipes, water wheels and more to produce massive amounts of items and keep everyone happy!
Erik Asmussen ยท Last update yesterday ยท Very Positive ยท 90% of 181 ยท 28 playing
Update frequency
Very consistent
100/100
Join our growing community as you explore, play, and help craft the future of social VR. Create worlds and custom avatars. Welcome to VRChat.
VRChat Inc. ยท Last update yesterday ยท Mostly Positive ยท 75% of 270,166 ยท 41k playing
Update frequency
Consistent
70/100
VEIN is a post-apocalyptic survival multiplayer sandbox game. Gather supplies to survive, explore abandoned buildings, defend your home, and rebuild society, whether alone or with friends.
Ramjet Studios ยท Last update yesterday ยท Very Positive ยท 87% of 13,098 ยท 1.4k playing
Update frequency
Very consistent
88/100
Open world, multiplayer, survival fantasy setting. Create your custom character, Craft tools, learn spells, loot your enemies. explore through arid deserts, snowy tundras, murky swamps, windy meadows and deep forests. Build a base to stash your rewards or rest from your travels.
Pizza Cake ยท Last update yesterday ยท Mixed ยท 50% of 6 ยท 0 playing
Update frequency
Consistent
66/100
Shrunk again, but the world is much larger. In this open-world, single-player or co-op survival adventure, craft weapons and armor, build your base, and traverse the playground on your buggy. But something else is out thereโand it hasnโt forgotten you.
Obsidian Entertainment ยท Last update yesterday ยท Very Positive ยท 82% of 25,289 ยท 5.2k playing
Update frequency
Consistent
69/100
Bandit the game is an open-world RPG with unique quests, character development, intense combat and interesting exploration. With optional elements: tower defense, city/base building and gang management.
Adrian Ubiorski ยท Last update yesterday ยท Mostly Positive ยท 73% of 48 ยท 0 playing
Update frequency
Very consistent
94/100
Space Engineers 2 is a playable Early Access Alpha sandbox focused on engineering, exploration, and colonization in a fully destructible universe. Design and build ships, stations, and planetary bases while uncovering the story of Miro and Ivan Sokol. Help shape the future of the Almagest system.
Keen Software House ยท Last update yesterday ยท Mostly Positive ยท 75% of 5,790 ยท 1.3k playing
Update frequency
Consistent
77/100
Wonderia's an open-world, manga-art adventure just waiting to be explored. It's got sci-fi sim elements, deep dungeons, and you can even morph into alien form! Grab up to 7 friends to mine, craft, battle, and levelโor farm and fish the day away, if that's more your tempo. There's so much to do!
Rock&Dash ยท Last update yesterday ยท Very Positive ยท 83% of 389 ยท 71 playing
Update frequency
Very consistent
100/100
A code-first 2D Game Engine featuring fast iteration using Swamp - a sleek, deterministic, custom script language. Lily2D has shader-based rendering, software synth for music and sound effects, networking, input handling and multi-platform export.
Peter Bjรถrklund ยท Last update yesterday ยท 0 playing
Update frequency
Consistent
79/100
Dig mines, extract resources, and produce goods to restore order to the state. Become a successful businessman and an effective state governor in the late Wild West era!
KishMish Games ยท Last update 2 days ago ยท Very Positive ยท 90% of 418 ยท 75 playing
Update frequency
Consistent
78/100
From the creators of Game Dev Tycoon comes Tavern Keeper ๐ป, a cosy-chaotic management sim, featuring a powerful decoration sandbox and a magical storybook RPG!
Greenheart Games ๐ ยท Last update 2 days ago ยท Very Positive ยท 94% of 4,872 ยท 410 playing
Update frequency
Very consistent
94/100
World of Sea Battle is a free-to-play open-world MMO set in the Age of Sail. Catch the wind and fire a broadside before your enemy does. Rise from a schooner to a ship of the line through PvP and PvE battles, trade, explore the Endless Sea and join guild wars for the Archipelago.
Thera Interactive ยท Last update 2 days ago ยท Mostly Positive ยท 76% of 9,232 ยท 1.9k playing
Update frequency
Very consistent
94/100
Go on a trip through time! Experience the freedom of traveling into any date, hour and minute in time between the years 1 and 3033 AD! Help your best friend Edward in his scientific affairs! Watch out for the Time Agents & avoid yourself!
Lost in Days Studio ยท Last update 2 days ago ยท Overwhelmingly Positive ยท 97% of 2,254 ยท 11 playing
Update frequency
Consistent
65/100
Once Upon The Universe is a god-game that takes you to the VERY beginning of creation. You begin the game just after the big bang, with nothing but an empty space and a lot of super hot hydrogen in the entire universe. Fill the universe with life and watch it thrive - or destory it.
Paweล Witkowski ByteEncode ยท Last update 2 days ago ยท Positive ยท 95% of 38 ยท 0 playing
Update frequency
Very consistent
100/100
You are Killer Bean, a rogue assassin coffee bean, who takes out the trash in this world, one bullet at a time. This is a first person / third person action roguelike.
Killer Bean Studios LLC ยท Last update 2 days ago ยท Mostly Positive ยท 74% of 2,412 ยท 9 playing
Update frequency
Very consistent
100/100