Games like Sandspiel

"Sandboxels is an in-browser simulation game with a variety of mechanics, including heat simulation, electricity, and chemical reactions. The game features over 300 unique elements to experiment with, using controls such as left click to place pixels, right click to erase, and shift plus heat or cool to intensify temperatures. Join the community through the game's website and Discord for updates and support."

Chroma Lab is a VR fluid simulation game that uses a custom particle physics engine for realistic fluid behavior. It features various tools to interact with the particles, adjustable physics settings, and save/load options. The particles can react to music, making for a visually engaging and customizable experience.

To say it’s a PC sandbox-building, AI-driven MMO where people play with Art, developed by folks who really love architecture and abstract characters… would be a bit of a mouthful.

Tiny Glade is a relaxing free-form building game. Tap into the joy of making something pretty with no management, no combat, or wrong answers - just kick back, doodle some castles, and turn forgotten meadows into lovable dioramas. Explore gridless building chemistry, and watch the game carefully assemble every brick, pebble and plank, adapting to your whim. Draw a path through a building? A door …

"Vessel" is a game with an intriguing story centered around Arkwright, who has the power to bring ordinary matter to life. The game features splendid mechanics with a variety of liquids, each with unique properties, simulated for stunning effects. Combined with an excellent soundtrack and stunning atmosphere, the game presents puzzles that require creative use of the simulated fluid and 'Fluro' creatures.

The Powder Toy is a single-player simulation game that offers engaging mechanics and sensational visuals. It is a falling sand game that accurately simulates air pressure, velocity, heat, and more, allowing players to experiment with various materials and physical interactions. This creative sandbox provides a dynamic and educational experience.

"Dystopika" is a single-player strategy game with great gameplay, stunning graphics, and a hauntingly beautiful soundtrack. Players can build their own cyberpunk-inspired metropolis without any objectives or stress of competition, just for the joy of creation and exploration in a unique atmosphere. It's an ever-evolving passion project by a solo developer, offering a relaxing and immersive escape into a dystopian dream world.

"dEskape" is a single-player role playing game that takes about 61 hours to beat. It's a base-building game with idle and active play, featuring a laser-shooting character who repairs a ship to escape a dark, dreary planet. The game allows for multitasking with its unique PC functionality, resizable UI, and cleaver pop-out windows.

Vermillion is a Simulation game that offers a mess-free oil painting studio, accessible to both beginners and experienced artists. The game supports up to four players for co-op or multiplayer painting sessions, with features such as paint-by-numbers templates, color mixing, undo, layers, and various brushes. Collaborate, learn, and share your artistic journey with friends or tutorials using the built-in web browser.

MakeRoom is a charming single-player simulation game where you design cozy spaces using over 1,100 objects and custom furniture tools. With masterful graphics, an amazing soundtrack, and gentle design requests, it offers both guided and freeform building experiences. Despite being very grinding, it delivers good gameplay and a highly emotional sandbox journey.