Games like Tech Age Rebellion

"Shadow Empire is a complex turn-based 4X wargame set in an alien universe, where you lead a small nation in reconquering a devastated planet. Manage budgets, commanders, and diplomacy, and make tough decisions in response to ever-changing challenges. This immersive game offers a unique and rich experience, with an emphasis on military strategy and role-playing features."

Nimoyd is a science-fiction and fantasy sandbox adventure set on Earth, in the year 2702, or any randomly generated planet you like. A massive, open-world full of wonder, dungeons, and cities awaits you! Survive a Vast World Your only way to survive is to dig, craft, and fight through this strange world. Manage your energy supply as you explore forests, grass plains, deserts, dark caves and dung…

"Norland is a single-player strategy colony sim set in a turbulent medieval world, where you must lead your kingdom to greatness amidst familial strife, famine, and external threats. With a focus on story generation, Norland boasts good game mechanics, wonderful graphics, and plenty of humor, but can be very grinding and is plagued by bugs."

Mercury Fallen is a relaxing sci-fi colony management game where players manage a group of colonists who have overslept in a ruined underground facility on an alien planet. The game features exploration, expansion, story progression, resource management, and construction of rooms. Deconstruct the old facility, harvest resources, construct new rooms, and expand the colony at your own pace. Please note that the game is in early access and may not be fully feature complete.

Surviving Mars is a sci-fi city builder that challenges you to establish a thriving colony on the Red Planet. Choose a space agency, select a colony site, and manage resources, infrastructure, and colonist needs to ensure their survival. Embrace the challenges of Mars' hostile environment, conduct research, and utilize drones to expand your settlement. Ultimately, your goal is to discover the purpose of mysterious black cubes and make Mars habitable for future generations.

"Noble Fates" is a strategy game where you command a kingdom from the sky, building, crafting, farming, and defending your land. As a Demigod, you'll distribute wealth, foster relationships with neighbors, and loot or imprison others to augment your people's skills. The game features various activities and interaction with gods and other supernatural beings to maintain balance in this far-away land.

Floodland is a single-player strategy game with a good story, great game mechanics, and a wonderful soundtrack. The game boasts pretty visuals, a spectacular atmosphere, and talented contributors from This War of Mine, Dying Light, Hard West, and more. However, it suffers from optimization issues, bugs, and can be quite grinding.

"Bulwark: Falconeer Chronicles" is a creative sandbox building game where you design and build a magnificent ocean fortress settlement, inviting factions and unlocking new buildings. It offers light management and strategy elements, with no set goals or win-lose outcomes - the focus is on the design process and creative expression. The game features minimalistic interface and little hand-holding, allowing players to enjoy the freedom and flexibility to design their fortress as they see fit.

"Guardians of the Sanctree" is a 2D, hand-drawn co-op game where players, as avian military commanders, restore Sanctree cities, defend against insectoid attacks, and explore subterranean wonders. Gameplay involves diverse roles, from production line designers to elite warriors, and resources are gathered for crafting tools, weapons, settlements, and strongholds. Survival is key as players hunt for food, battle creatures, and test strategies to shape Sanctree's fate.

"Settlements" is a single-player Role Playing game with a strong focus on resource management and technological advancement. Players must rebuild civilization from the Stone Age, customizing characters and training their skills while researching technology at their own pace. With 10 distinct eras to progress through, Settlements offers a rich and immersive gameplay experience, but be prepared for some grinding.