Top similar games like Project Castaway:

Survive on Raft is a Survival Sandbox Simulator on the Raft in the middle of the ocean! Fight with shark, build base, craft, loot islands, farm and survive. Play solo or with friends.

Take the role of a plane crash survivor stranded somewhere in the Pacific Ocean. Come face to face with some of the most life threatening scenarios that will result in a different experience each time you play. Scavenge. Discover. Survive.

The apocalypse has come, brought by pollution, wars and disease! Your mission is to save your land... or what’s left of it. Alone or with your friends gather, recycle, craft, build, plant, explore, fight & help survivors.

Nightingale is an open world survival crafting game, where you’ll adventure across the mysterious and dangerous Fae Realms. As a daring Realmwalker, you’ll defeat monstrous enemies, survive hostile environments, and build elaborate estates in a visually stunning Gaslamp Fantasy world.

Plunge into the open world survival simulation set in the extreme conditions of the uncharted Amazon jungle. Use real-life survival techniques to craft, hunt, fight and gather resources, set a makeshift shelter or raise a fortress. Tend your wounds and maintain mental health - alone or with friends.

Survivors, Adventurers, Explorers! Prepare for the journey of your life and experience one of the world’s most mysterious regions! The Bermuda Triangle is notorious for the vanishing of countless ships and airplanes. Will you survive long enough to reveal its secret?

Crushed — is an Singleplayer and Multiplayer First-Person Survival Sandbox in an Open World! Challenge the wild and be ready to survive in harsh conditions. Explore the world, get resources, cook food, build a house, farm, hunt, and enjoy nature.

Become a crew member of an Interdimensional Express Train! Discover a new world full of mysterious creatures, enemies and places. Upgrade and customize your train, gather new materials and build better weapons. Play solo or online сo-op with up to 4 people.

Experience a big adventure on a tiny scale! Enjoy multiplayer survival in a vast, hazardous world. Preparation is key when you're this small & at the bottom of the food chain. Craft weapons & armour, tame & ride creatures, build encampments & explore a strange new land.

A base-building open-world survival shooter that replaces your typical base with a giant drill. Alone or with friends, explore an island plagued by eruptions, upgrade your drill, and fight robots to uncover what's been hiding beneath the surface.

Get ready for a Waterworld-themed survival game with modular base building, sunken city scavenging, crafting, base defense, and invasions of NPC clans for resources and territory. Ready for the water apocalypse?

Experience a vast Sci-fi open-world survival TD game set on a distant planet deep in the universe. Craft, build, mine, trade, explore, and survive in this alien world. Collect Data and defend against waves of enemies seeking to banish you. Enjoy the adventure in Singleplayer or Multiplayer.

Voyagers of Nera is a cooperative survival-crafting game for up to 10 players set in a vibrant ocean world brimming with magical creatures and ancient mysteries. Tend your island’s spirit, build a unique village with friends, and skim across the water in the ever-shifting ocean.

Stranded on the shores of a mysterious island, you must learn to survive. Use your cunning to kill or tame the primeval creatures roaming the land, and encounter other players to survive, dominate... and escape!

The ultimate block building game.

A procedural open-world survival craft game for 1-10 players. Explore a primitive but dangerous place with a different evolutionary path; here, wildlife is oversized, Neanderthals still exist, and curses are real.

Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!

Play with up to three companions and become the best shipwrights on this side of the globe! Explore and gather materials needed to build legendary ships! Soon they will call you a legend as well.

Embark on an adventure set in a fantasy survival RPG. Visit a borderless, open world where you manage resources to construct your base and new types of equipment to support your conquest.

You’re a castaway stranded in the middle of nowhere. Storm is gone, the worst certainly not. Look for food and resources, craft gear, make shelters. These are the basics, you need much more to stay alive on this cut-off-the-world, yet not desert island. Build & burn, sail & explore, be Out of Reach!

Red Planet: Survive is a first person survival game for Microsoft Windows. Surviving in the harsh conditions of the Red Planet will be hard, but if you are strong enough, you will succeed. Find the best way to survive, but be careful, since each wrong step will ensure your demise. The environment is your main enemy.

Good Heavens! is an open-world crafting and building RPG for 1-8 players. Be a warrior, sorcerer, explorer, or artisan and roam the promised lands, bursting with quirky races and cultures. Lead the heavens to salvation or, who cares, find the best werewolf tavern to get hilariously drunk.

A brutal exploration and survival game for 1-10 players, set in a procedurally-generated purgatory inspired by viking culture. Battle, build, and conquer your way to a saga worthy of Odin’s patronage!

FarSky is a short survival game in the depths of the Ocean. Collect all the pieces of your submarine and reach back the surface.

Raft™ throws you and your friends into an epic oceanic adventure! Alone or together, players battle to survive a perilous voyage across a vast sea! Gather debris, scavenge reefs and build your own floating home, but be wary of the man-eating sharks!

Cataclysm Upon Us is an open world survival RPG. Craft, fight, and build in a world overrun by mutants, zombies and other abominations. Uncover secrets, embrace mutations and cybernetic enhancements. Every decision shapes your journey in this haunting cataclysm. Can you survive the chaos?

Escaping a deadly sacrificial ritual, you find an ancient mystical mask on your journey. This mask holds potent knowledge, changing the world you knew. Face the harsh challenges of nature, survive, rally followers, and build your own tribe. Explore and unveil the truths behind the enigmatic mask.

Survive the extreme conditions on Mars. Compete or cooperate with others to gather resources, 3D print your equipment and build your base, unveil the story behind the abandoned mining operations and, ultimately, escape the Red Planet.

Far North is a captivating survival game set deep inside the procedurally generated North. Alone or together with friends you can build, farm, cook, hunt and increase your various skills in order to survive the dynamic seasons and thrive in the North.

Play as a young viking, learn to survive and fight in the wilderness. To fulfill your destiny, explore an island alone or in cooperation with friends, build structures, confront Norse gods and mythological creatures. Will you be the last Viking?

Build your base on a machine in constant motion, travel through biomes with different resources, and prepare for the night when a zombie threat is much higher than during the day. Would you go solo or explore this new world with your best friends?

Subsistence is a sandbox, first person, solo or co-op, PvE open-world survival game. Struggle through changing seasons to build a base, develop technology and gear-up in the hostile environment. Defend yourself from wildlife, the elements and AI hunters (who also build bases in the world).

ENDALOR is a medieval dark fantasy survival game with RPG elements for 1-4 players. Explore, survive, build, craft, fight and conquer your way through the dark, brutal and mysterious lands of Endalor.