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Explore the Primordial Earth and Beyond in Archean: An Engineering Sandbox and Space Sim

Archean is a deeply immersive engineering sandbox game set on a primordial Earth, over 3 billion years ago in the Archean eon. Craft, experiment, and engineer groundbreaking creations in a realistic and challenging open world. Play solo or with friends in a game where every system is simulated and every accomplishment is earned.

But the journey doesn't end there! Archean evolves into a full-scale space sim, featuring realistic physics and orbital mechanics. Build rockets, explore space, and defy the limits of engineering.

Key Features

• Engineering and Build Sandbox: Design and construct intricate machines and structures with a high-precision building system.
• Resource Gathering and Crafting: Scavenge for resources and craft essential tools and components to survive and thrive.
• Solo and Multiplayer: Embark on your adventure alone or team up with friends on dedicated servers for collaborative engineering projects.
• Open World: Explore a full-scale recreation of Earth and the Moon, rendered with stunning detail.
• Space Sim with Orbital Mechanics: Experience realistic space travel, mastering orbital mechanics for interplanetary exploration.
• Aerodynamics and Buoyancy Simulation: Design vehicles that conquer land, sea, and air, accounting for realistic aerodynamic and buoyancy forces.
• In-Game Coding with XenonCode: Program virtual computers using the intuitive XenonCode language to automate complex systems.
• Built-in Modding System: Unleash your creativity with a comprehensive modding system, allowing for extensive customization.
• Workshop Integration: Share your creations and download community-made content seamlessly through Steam Workshop.
• Creative and Adventure Modes: Choose your playstyle, whether you prefer unrestricted building or survival in a challenging environment.
• Fully Ray-Traced Graphics: Experience breathtaking visuals with fully ray-traced graphics that bring the world to life. Requires a powerful NVIDIA RTX or AMD Radeon RDNA2+ graphics card.
• Pressurization System: Manage atmospheric pressure in your habitats and vehicles to survive in harsh environments.
• Nuclear Fission: Exploit the power of nuclear technology to provide energy for your advanced systems.

Upcoming Updates

• Vehicle Destruction and PVP
• Survival Mode
• Full-Scale Solar System (with all planets and moons)
• Weather System
• Lots More Content

Advanced Engineering and Coding

Archean provides a detailed engineering sandbox where you connect components with functional cables and pipes for power, data, and fluid transfer. Build in-game, live in an immersive environment, and code your own logic in virtual computers using either pure code or a node-based visual programming system. Construct bases, rovers, trucks, planes, rockets, boats, submarines, zeppelins, and more!

The custom-built XenonCode programming language is designed for ease of use and optimal performance within in-game virtual computers. With a built-in cooperative editor, syntax highlighting, multi-cursor support, and a node-based visual editor, scripting has never been more accessible.

Embark on an Adventure

Start your journey with nothing in Adventure Mode. Gather resources, craft tools, build mining rigs, and automate your production. Explore underwater depths and scale towering mountain peaks. Build the vehicles you need to reach your ultimate goal: the Moon.

Next-Gen Ray-Traced Graphics

Archean utilizes a fully ray-traced renderer for stunning visuals and realistic lighting. The dynamic nature of the game and its moddability necessitate ray tracing, allowing for accurate reflections, refractions, and shadows without manual tweaking. The entire scene is rendered in a single pass, providing physically correct visuals.

The Archean World

Set 3 billion years in the past, the world of Archean presents unique challenges. Experience a faster Earth rotation with 12-hour days, a dimmer sun, and a closer, geosynchronous Moon. Navigate a world with a supercontinent, a massive volcano, and an atmosphere dominated by CO2. Witness the dawn of life on Earth.

Realistic Simulation

Archean is a realistic simulation with no time warp or pause function. Experience seamless transitions and multiplayer interactions, where planets rotate and revolve in real-time, ensuring synchronized gameplay.

Procedural Terrain and Underwater Exploration

The entire surface of Earth and the Moon is procedurally generated with millimeter precision. Explore vast oceans, rendered with realistic refraction and reflections, and design buoyant vehicles to navigate the depths.

Full-Scale Space Simulation

Archean aims to be a comprehensive space simulation, featuring the Earth, Moon, orbital mechanics, and re-entry effects based on velocity. Experience realistic orbital speeds and dock with friends' space stations. Explore the solar system, push the boundaries and follow the 5 commandments:

The Five Commandments of Archean

• Thou shall obey physics: Experience realistic 6-DOF physics without artificial speed limits.
• Thou shall not see "Loading...": Enjoy seamless transitions without loading screens.
• Thou shall not hit a wall: Explore a true open world without fake boundaries or predefined paths.
• Thou shall not be Thee: Immerse yourself with first-person controls and no disruptive cutscenes.
• Thou shall make sense: Experience technologies based on science and plausible math.