Games like Prison Architect
Junkyard Simulator
In Junkyard Simulator you play as owner of scrap yard, which with his own hands is trying to create the largest junkyard in the area. The way you do it depends on your decision! Do you want to manually search and collect the best scrap?
RimWorld
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
Ancient Cities
Ancient Cities is a Survival and Strategy City Builder PC game through the ages, strongly focused on history and realism. Currently being developed by Uncasual Games. Starting in the Neolithic era, you will have to guide your people through generations, discovering and improving technologies, managing resources and population, facing threats from raiders and Mother Nature herself. And, ultimately, building the most fantastic city of antiquity through the ages in a fully simulated world and ecosystem.
Startup Company
Startup Company is a business simulation sandbox game. You play as the CEO of a newly formed software company. Your job is to either complete client contracts to make money, or build your very own products.
Star Control: Origins
The Earthlings have joined the interstellar club. The galaxy will never be the same. The year is 2086 and Earth has detected an alien distress call originating from the surface of Triton. In response, Star Control is formed with you as The Captain of Earth's first prototype starship.
Force of Nature
Force of Nature is an indie open world sandbox game with fighting, crafting, building and farming systems.
Academia: School Simulator
Academia : School Simulator is a management game that lets you design, construct, and manage the high school of your dreams! As the school Principal, watch your students as they get bullied, find love, flunk exams, and basically just try to get through the roller-coaster ride that is high school. Will you offer the best teachers and facilities or cheap out and build giant classrooms with a 1:100 student to teacher ratio? It's all up to you!
Survivalist
It's one year after the collapse of civilization and self-centered hedge fund manager Joe Wheeler emerges from his specially constructed bunker in search of food. This is a huge open-world RPG where you have the freedom to play how you want - but your choices have consequences. Your aim is to find other survivors, gain their respect, and build a community. You'll scavenge for supplies, trade, plant crops, go on quests, face moral dilemmas, go to war, and uncover dark, terrible secrets!
Dude Simulator
Dude Simulator is an open world sandbox game. This is a life simulator. The main objective is to enjoy what you are doing.
Colony Survival
Colony Survival is a voxel RTS developed by a two-man team. Build your own colony in a voxel world. Command guards, farmers, miners and other colonists. Defend your colony against the monsters that attack every night.