Games similar to Fortnite:

Death Stranding is an action game set in a post-apocalyptic United States. Players control Sam Porter Bridges, a courier tasked with reconnecting isolated cities via a communication network while delivering essential cargo. The gameplay blends traversal, resource management, and narrative elements, with a focus on social connectivity through asynchronous multiplayer. It is known for its unique mechanics, atmospheric world, and philosophical themes.

Set in a brutally unforgiving post-apocalyptic world overrun by the undead, 7 Days to Die is an open-world game that is a unique combination of first person shooter, survival horror, tower defense, and role-playing games. It presents combat, crafting, looting, mining, exploration, and character growth, in a way that has seen a rapturous response from fans worldwide. Play the definitive zombie survival sandbox RPG that came first. Navezgane awaits!

The original shooter-looter returns, packing bazillions of guns and a mayhem-fueled adventure! Blast through new worlds and enemies as one of four new Vault Hunters. Play solo or with friends to take on insane enemies, score loads of loot and save your home from the most ruthless cult leaders in the galaxy.

Ark: Survival Evolved takes on the survival genre with a unique blend of emergent multiplayer cooperation and competition. Players awake naked and starving on the beach of a mysterious island among a herd of other confused humans. On ARK, they must then hunt, harvest, craft, research technology, and build shelters to protect against scorching days, freezing nights, volatile weather systems, dangerous wildlife, and potential enemies. Use cunning strategy and tactics to tame and ride the many dinosaurs and other primeval creatures roaming the dynamic, persistent ecosystems across land, sea, air, and even underground. Build your character’s strengths and gain items, skills, and pet creatures using in-depth role-playing systems. Start a tribe with hundreds of other players to survive and dominate competing tribes...and ultimately discover the ARK’s true purpose.

Empyrion - Galactic Survival is a 3D open world space sandbox survival adventure. Build mighty ships, menacing space stations and vast planetary settlements to explore, conquer or exploit a variety of different planets and the allegedly empty space!

Miscreated is a multiplayer online hardcore survival game set in a post-apocalyptic future. You will need to survive against mutants, players, and even mother nature herself.

Last Day on Earth is a free multiplayer zombie survival strategy game, where all survivors are driven by one target: stay alive and survive as long as you can and shoot walking dead zombies. There is no place left for friendship, love and compassion. A deadly plague pandemic has turned the world into a dead zone. You can trust only yourself in this post apocalyptic world infected with walking dead zombies.

Force of Nature is an indie open world sandbox game with fighting, crafting, building and farming systems.

Hardcore medieval multiplayer sandbox with terraforming, free preset and modular building construction, rich crafting (smelting, forging, farming, animal breeding etc.), survival, no target physics based combat, original combat formation system and numerous other features. Taking place in the fictional medieval world, game imposes a realistic system of global politics, economy, and socialization.

Rising World is an open-world sandbox game with randomly generated, fully destructible environments. Starting with the most basic of tools, collect resources to survive in the wildness. Evolve your world to create one of the biggest cities of all time or a gigantic castle, or simply let your imagination run riot! If being creative is all too much, just connect with your friends and get them to help. Rising World is a procedurally generated world, with fully textures landscapes, over 200 different building materials, loads of tools and many other items to help you create OR destroy your world without any restrictions.