Games like Pico Space Program

"Lunar Flight" is a space flight simulation game that challenges players to navigate and land a lunar module on various locations on the moon. The game features realistic physics and a dynamic weather system, providing a challenging and immersive experience. Players must manage their resources, navigate through treacherous terrain, and ensure a safe landing to achieve their mission objectives.

Spaceflight Simulator is a single-player simulation game with perfect mechanics that make rocket science simple yet engaging. Featuring amazing graphics, a dense atmosphere, and a sensational soundtrack, it delivers an intriguing story filled with humor and emotional moments. Though it can be very grinding and has lots of bugs, its immersive experience keeps players captivated.

Ellipse: Rocket Sandbox is a single-player simulation game where you build custom rockets, launch them into orbit, and explore a pocket-sized solar system. The game features delightful visuals that enhance the immersive experience. However, players may encounter numerous bugs that affect gameplay stability.

"Juno: New Origins Complete Ed." is a 3D aerospace sandbox game that allows players to build and test their own custom vehicles with realistic physics. The newly added Career Mode lets players run their own aerospace company, completing hand-crafted and procedural contracts to earn money and unlock new technology. With a tech tree, interactive tutorials, and the ability to share creations online, this game offers countless hours of creative and challenging gameplay.

"PixPhys is a sandbox game with a focus on physics simulation, allowing players to design various equipment using over 100 unique parts, from propellers to explosives. The game features an easy-to-learn programming system for setting up the circuitry of your creations, presented in a node-based format. Perfect for those who enjoys tinkering and building in virtual worlds."

"Rogue System" is a complex spaceship simulation game that allows players to design, build, and command their own fleet. Experience intense space combat with realistic physics and detailed ship systems. With a wide range of customization options and a challenging campaign, this game offers a high level of immersion and replayability for space combat enthusiasts.

Jumpdrive is a sandbox space sim set in an alternative future heavily inspired by classic 80s sci-fi. Fight, trade and explore in a massive procedurally generated galaxy of millions of planets and stars. Amass money and power, upgrade and purchase new ships, and one day create your own small fleet with a base to call home.

Space Agency 2138 offers a captivating journey into the future of space exploration. Build and fly rockets, construct space stations, and establish bases on other planets to mine resources. As your organization grows, manage the complexities of growth and expansion in this vast new solar system.

Aviassembly lets you design and build custom planes by balancing fuel, weight, speed, and cargo space to optimize flight performance. Complete missions transporting various cargo types while managing fuel and upgrades to improve range and capacity. Explore an open world with diverse biomes, airports, and challenges that test your engineering and piloting skills.

"Purplis Sandbox" is an open-world, voxel-based survival game set in a vibrant and mysterious universe. Gather resources, craft tools, and build structures to survive and uncover the secrets of the purple sand. With a dynamic day-night cycle, weather system, and various creatures, each playthrough offers a unique and ever-changing experience. Customize your character and explore the vast terrain, rivers, and caves at your own pace.