Best System Builder Apps & Games

LEGO® Builder's Journey

Create your own path.

Free

Embark on a poetic puzzle adventure set in a LEGO brick world. Solve challenges by following instructions or breaking the rules, exploring themes of play, connection, and discovery. Experience a beautifully rendered environment with a captivating soundtrack.

Steam City: Town building Sim

Construction Manager 3D game

Free

Build and manage a unique retrofuturistic city in a Victorian-era setting. Develop resource production, complete tasks, and grow your population by collecting taxes. Collaborate with friends by forming unions to exchange resources and help each other.

Universe Website Builder

Custom store and website maker

Free

Build a professional website or online store quickly and easily with a drag-and-drop interface. Publish to a custom domain and accept payments in minutes. Includes tools for design, commerce, audience management, and AI-powered content creation.

BuildCores: 3D PC Builder

3D PC Part Picker and Builder

Free

This app offers a revolutionary 3D PC building experience, allowing users to visualize and assemble virtual computer components. It features an intelligent compatibility engine and global price comparison to ensure optimal builds and savings.

Upland: City-Builder

Real-World Map, Tycoon Sim

Free

Build and manage cities on a persistent, real-world map. Trade virtual properties, design lasting structures, and shape neighborhoods in a player-driven economy. Your progress never resets, and digital assets can be sold for real-world value.

Buildertrend

Construction Management App

Free

Streamline construction projects and business operations. This platform helps professionals reduce delays, minimize communication errors, and enhance client satisfaction. Manage projects, finances, and team collaboration from anywhere.

Global City: Building games

Pocket builder・designer tycoon

Free

Build and manage a thriving city with high-quality graphics. Develop resource production, complete quests for rewards, and expand your settlement into a bustling megapolis. Connect with friends to trade and compete.

OnSpace AI: Mobile App Builder

Instant AI Mobile App Builder

Free

Build powerful AI-driven mobile applications in minutes without any coding. Describe your app idea, and the platform handles UI, logic, data, and deployment for iOS and Web.

BuilderGo

Communication App for Builders

Free

Connect with vendors and manage your construction tasks. View schedules, task details with photos and maps, and access purchase orders and documents. Search and update task statuses directly from your device.

Pro Builder 3D

by SUPERSONIC STUDIOS LTD

Free

Design and construct your dream home in a virtual 3D environment. Furnish your creations and then sell them to earn in-game currency to build even more elaborate structures.

System Designer

Design First. Then Code.

Free

Design complex systems using a low-code platform that leverages UML standards. Generate code skeletons and manage components graphically. Run and test your system with dynamic type checking.

PC Builder: Part picker

Build Your Ultimate PC

Free

This app simplifies PC building by automatically generating optimized builds based on your budget and preferences. It offers component filtering, daily price updates, and compatibility checks to ensure a seamless custom PC creation experience.

PC Creator 2 - Computer Tycoon

Idle PC Builder Simulator

Free

Build, upgrade, and test custom PCs for clients and your own business. Manage resources, trade components, and even mine cryptocurrency to grow your computer empire. Customize your workshop and complete quests to become a PC tycoon.

Replit: Vibe Code with AI Fast

Apps, slides, websites, videos

Free

Build and deploy apps, websites, and games directly from your phone. Utilize AI to generate projects from natural language prompts, collaborate in real-time, and host your creations instantly with zero setup. Suitable for both beginners and experienced developers.

Wild West City: Building Sim

Frontier city builder sim

Free

Become a pioneer and build your own Wild West city. Design, expand, and manage a thriving frontier metropolis, from saloons to railroads. Compete in events, trade with others, and explore new lands to create your legacy.