Games like Mech Builder 3D

"Mech Builder" is a relaxing puzzle game inspired by model building, where you can cut out, assemble, paint, and customize 50+ model kits with complete freedom. Unlock kitbash mode to create your own models and time trial to challenge yourself against the clock. With carefully crafted models and pieces, building takes around 7-9 hours, while time trial takes 2-3 hours. This game offers endless repeatability and creativity in building mechs, waifus, armors, figures, and more.

Beautiful Jigsaw Puzzle game where you can design the room you play in!

"Model Builder" is a simulation game that allows players to create and customize their own model kits. Choose from a variety of tools and materials to bring your designs to life in a relaxing, zen-like atmosphere. With realistic physics and attention to detail, this game is perfect for both hobbyists and model kit enthusiasts.

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.

"Parkitect" is a business strategy game that allows 2-8 players to collaborate in building and managing their dream theme parks, complete with custom coaster designs and themed decorations. The game features a campaign mode, sandbox mode, and online co-op, with a wide range of scenery objects and the ability to share creations through the Steam Workshop. Despite some bugs, the game boasts impressive graphics, soundtrack, and humor.

"My Dream Setup" is a simulation game that allows players to create their dream room with a huge selection of furniture, computers, and accessories. With complete freedom of action, players can arrange the furniture however they want, change the color of the items, and create a setup with no budget or size limits. The game encourages creativity and customization, providing all the tools needed to build the room of your dreams.

Megaquarium is a single-player business strategy game with an aquatic twist, offering a beautiful gameplay experience through exceptional visuals and a wonderful soundtrack. Design and manage your own aquarium, choosing from nearly 100 different marine species, and hire staff based on their skills to help you grow and thrive. Despite some bugs and a grindy aspect, the game boasts an intriguing storyline and plenty of humor to keep players engaged.

Small Spaces is a creative and relaxing design game where you transform compact interiors into personalized, functional spaces. Players solve spatial puzzles by rearranging modular elements, adding decor like lighting and plants to create unique environments inspired by real locations. It offers a calming experience that encourages creativity and thoughtful design.

"Indoorlands" is a game where you can build, expand, and manage your own indoor amusement park. Create your own rides and coasters, then share them with other players through the Steam workshop. With the ability to control your own rides and the freedom to design your own unique park, "Indoorlands" allows you to let your creativity run free.

Shapez 2 is a top-down factory-building game where you extract, process, and manipulate geometric shapes to create various products. Players can build unique factories using different shapes as building blocks, with the option to support the game for additional music and rollercoaster-inspired track pieces for space railways. The developers actively involve the community in the development process and welcome feedback on upcoming features and improvements. NO RELEASE DATE MENTIONED.