Mac OS X Softwares to Open World

ScrumbleShip is an open-world, massively multiplayer online space flight simulation game where players construct and fly their own spacecraft using building blocks, engaging in survival, trade, and fleet management within a vast sci-fi universe.

The Gangstar series plunges players into sprawling open worlds filled with crime, action, and adventure. Experience life as a budding criminal, rising through the ranks in vibrant, albeit dangerous, metropolitan landscapes.

Starbound is a 2D extraterrestrial sandbox adventure game where players explore vast procedurally generated planets, build bases, craft items, and uncover the secrets of the universe following their ship's destruction.

RimWorld is a story generator driven by an intelligent AI storyteller. It simulates a sci-fi colony, challenging players to survive on a distant planet by managing colonists, building a base, researching technology, and defending against various threats.

Voxelands is a free, open-source voxel game inspired by Minecraft, offering creative construction, survival challenges, and exploration in expansive, procedurally generated worlds. It supports both single-player and multiplayer modes, allowing for collaborative building and adventure.

The Mana World is a free, community-driven 2D open-source MMORPG set in a vibrant, evolving pixelated world. Available across multiple platforms, it offers players a classic online fantasy role-playing experience with a focus on exploration, questing, and skill development.

Manyland is a free-to-play, browser-based massively multiplayer online sandbox game where players can explore, build, socialize, and create their own content. It offers an infinite, ever-expanding world shaped by its community.

StarMade is an expansive voxel-based space simulation sandbox game offering limitless exploration and creative possibilities in a procedurally generated universe. Players can design and build their own spacecraft, stations, and structures while engaging in commerce, combat, and exploration with other players in a dynamic multiplayer environment.

Embark on an epic journey through the world of Middle-earth in The Lord of the Rings Online, a free-to-play massively multiplayer online RPG. Explore iconic locations, battle fearsome creatures, and forge your own legend within the timeless fantasy of Tolkien.

EVE Online is a vast, persistent world MMORPG set in a science-fiction space environment. Players explore a single universe, engaging in activities like mining, industry, trade, exploration, and thrilling space combat. It's renowned for its player-driven economy and large-scale player-versus-player battles.

Grand Theft Auto is a critically acclaimed action-adventure video game series developed by Rockstar Games. It is renowned for its open-world environments, compelling narratives, and satirical take on American culture, allowing players to experience a life of crime and freedom.