Top similar games like Arth Island:

Welcome to Keplerth! Try to survive on a hostile alien planet in this 2D sandbox RPG, where you can choose to live alone or fight side by side with your friends in the online multiplayer mode. Survive, build, farm, fight, and explore your way to victory in this open-world adventure!

Crafting Block World is an adventure with sandbox elements that will help you build your ideal world!

Explore, and exploit your surroundings to advance! Unlock crafting recipes in a tech tree via research, and crafting science. Explore the surface, or deep in the caves, and protecting yourself against the elements in dangerous areas, or relaxing in safe areas!

An Exploration/Adventure game set in a procedural map. Fight, Explore, and Build to become comfortable with your Dabloon fortune.

You’ve crash-landed on Earth in 2702. Craft, dig, fight through a vast and colorful post-apocalyptic open world full of wonder, generated cities, dungeons, aliens, mechs, and an underworld. Find love. Or beat the ultimate Underlord!

Hearthkeeper is a fantasy colony simulator, with rpg and platformer elements. Your characters will require food, water and shelter as the seasons change and the world turns. Plant crops, build structures, defend against raiders and beasts, research technologies and much more.

An action rogue-like, bullet heaven, management sim. Survive alien hordes as you explore planets, extract resources to build tools and unlock new items, complete jobs to earn money while you manage your employees and make your company grow.

Explore procedurally generated living worlds in this 2D sandbox RPG. Meet hundreds of characters in cities, complete quests, craft powerful items, buy and furnish your home or fight monsters in dungeons.

Open Fishing XL is an open world fishing game focused on creating a relaxing experience. Fill out a book with 115 fish species, buy rods, items, boats and more, explore the large map, identify cute insects, draw your own map, and enjoy fishing without worries with intuitive fishing mechanics.

Dreamlight is a 2D exploration sandbox with a survival aspects and a random world generation

Shape the world, the way you see fit!

The ultimate block building game.

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?

Norland is a medieval kingdom sim that generates stories. Manage your noble family as you face class conflict, crime, revolts, religious struggle, economic issues, personal relations, treachery, secret murders, and spectacular battles.

A game of exploration, curiosity, and fascination. Single-player, low-pressure and endless variety.

As the Prospector in this Prologue chapter, you will be taking on your first contract. Explore new planets, gather resources, build your fully automated base, and ship materials to distant colonies.

Ratopia is a new game that has combined elements of both strategic survival and city building. With plenty of content available, and more planned, enjoy a vast world to adventure and populate with citizens! Build your own economical system to sustain your ideal city of Ratopia.

A sudden plane crash interrupts our hero's journey, leaving him on a deserted and unexplored island, now he must use all his knowledge and skill to survive and return home. Explore, builds, hunts and fights as he tries to survive the mysteries of this island.

Excavate, combat, discover, construct! Every challenge can be conquered in this thrilling adventure game. Immerse yourself in endless creativity as you explore through uncharted territories , engage in epic battles and shape thw world with your own hands.

A cozy mining platformer game. Dig deep into the earth in search of riches. Create your mine, improve your equipment, but don't get too greedy.

Drifter is an open-world sandbox space trading game with a procedurally-generated galaxy 100,000 light years across made up of tens of thousands of star systems to explore and features an original soundtrack by composer Danny Baranowsky.

A 2D automation sandbox adventure. Build an automated factory reaching up to the sky and deep underground, uncover a vast world filled with wonder and danger, upgrade yourself with ancient technologies, and defend it all from enemy attack.

Nova Lands is a factory building, exploration, and island management game. Explore, engage in combat, and automate your industry. The planet you’re on is full of mysteries, creatures, people, and things to do. Welcome to your new home amongst the stars!

BLASTRONAUT is a mining game in a procedural alien world. Explore, extract and profit.

The highly popular and quirky "idle game that you want to actively keep playing". Explore, craft, gather & manage resources, find secrets and build your base out of nothing! Buy land to explore and expand!

The Fishery is a 2D fishing and life RPG-simulator. Choose your bait, head to the bankside and cast away; with various locations and fish to catch, you'll never want to leave! Complete collections, forage for your bait, level up and catch more!

Hotfix is a chromosome enriched solo indie game inspired by Minecraft and Enter the Gungeon. Create your own - near infinite - world full of randomly generated structures filled with guns and loot. Explore, build, and gather resources during the day and avoid robotic "dogs" powering up at night.

Intergalactic Fishing is a fishing RPG that features procedurally generated content and graphics. Travel to lakes all over the universe and catch unique fish, explore uncharted lakes and sell data, complete quests, upgrade your gear, compete in fishing tournaments, design your own lures, and more!

Layer Hunt is a multiplayer, survival sandbox game where the goal is to survive and hunt down all the bosses. To reach your goal you will have to mine, craft, build, farm, fight and explore for new abilities and resources.

Nova Lands: Emilia's Mission is a prologue chapter of the main game, Nova Lands. Learn your way around the planet you've landed on, build your base, and automate it with your helpful bots!

Enter the biggest handcrafted open world of all time, fifty times larger than Elder Scrolls II: Daggerfall! Explore three million square miles of uncharted terrain from Roman Damascus to Three Kingdoms China in an exploration RPG that transports you onto the Ancient Silk Road of 200AD.

Imagine a world where you can create your own legend. The Legendary Player – Make Your Reputation it’s a 2D RPG Top-Side Down with reputation building system who allows the player build his own history.

Z: The End is a top-down shooter survival game set in a world infested with zombies. Explore a world destroyed by disease, scavenge for supplies and weapons, and survive as long as you can against the zombies and nature.

Your word is gospel in this god sim set in Sub-Saharan Africa. Influence and try to control your followers using commandments but beware, free will leaves these open to interpretation. Will you create a flourishing civilization or lead them to death and destruction?

Embark on an adventure in PlanetSmith, a spherical world sandbox game offering unique exploration and creative building. Journey into procedurally generated voxel worlds that defy conventional limits of block building. Showcase your artistic touch on your own spherical canvas.