Top similar games like Project Prison:

Journey to a time long forgotten... In this thrilling underwater world of strange and beautiful creatures, only the strongest species will survive! Hunt for prey as the terrifying Kerygmachela, avoid danger using the diminutive Daguinaspis, or try and survive as one of the many species on offer.

Embark on a fascinating open-world adventure in Adventure Forest: Rabbit Story! Filled with realistic rabbits, this game offers unforgettable moments full of exploration, customization and survival. Solve the mysteries of the forest with your hero rabbit and embark on an adventure!

Survive as a stray dog in a large open world. Scavenge, craft, trade, and steal your way into a world where all the pets are disappearing. Arm yourself and take to the streets to rise from homeless to well-off no matter what it takes. What kind of story will you tell?

Life sim community been long waiting for a game, where their input can influence their imaginary and dream world of life simulation. This may be as basics as house building, but going as complex like family and friends relations. Here game emphases on modding (i.e. lua) and performance.

Big Ambitions is a revolutionary role-playing business sim. Go from nothing to the biggest entrepreneur in New York by opening small businesses or slowly building huge corporations any way you like.

A survival game set in the Ice Age where man and animal collide, work together with others or attempt to survive alone in these frozen lands.

Immerse yourself in the gigantic world filled with mysteries, violence and tension. Fight against mutants and armed forces, explore, join operations, do jobs, earn credits, buy, trade, upgrade and plan to escape from the rogue planet and its protocol!

Used Cars Simulator - trade used or stolen cars, fix and customize them, drive around, and explore the open world! Grow your business, complete quests, and have fun with a physics-based sandbox!

Ambulance Simulator is an exhilarating simulation that allows you to become a real-life rescuer and a member of the emergency medical service team. In this game, you'll experience the responsibility and adrenaline associated with working on the frontlines of emergency medical assistance.

Legendary Realms: A Fantasy World Odyssey is a multiplayer sandbox adventure game. Create your own character, select classes, and take on quests to earn rewards and level up. With a range of equipment and multiplayer options, it's an immersive experience that will keep you engaged for hours.

Noble Legacy is a medieval city-builder in which you rule the lands as a Noble. Build your kingdom, manage your people, defend your realm, and master a deep economy, alone or with friends in co-op, every decision is yours. What kind of ruler will you be?

Dead Event is a indie RPG survival game in which the player grows up as a creature. The creature will grow bigger overtime and with interactions in-game also lose some growth on death. Form a colony or hunt alone, become part of a player-created ecosystem. Survive, eat or be eaten...

Embark on an enchanting journey and brave ferocious creatures in an immersive medieval fantasy world. Will you settle a new homestead to live a life of farming and trade, or pick up the sword and take up the adventurers' path?

Tru Or Die: Chiraq is a third person single/multiplayer roleplaying game.

The world's most comprehensive car selling simulation game. Build your own huge empire on the vast and high-quality open world map. Buy a car and sell a car. Improve your circle and become a great businessman. Don't give up and follow your dreams.

The main character is reborn. Can he live?

Immerse yourself in an authentic gritty experience set on the ruthless streets of London.

As an undercover cop, you'll infiltrate a criminal organization to bring it down. As a teacher, your mission is to stop the gang in school and the neighborhood! Your choices shape the story, relationships, and outcomes. The decisions are yours.

“下一站青城”是白玉京工作室的第三代单机产品，也是第一款国风神话开放世界游戏！除开传统开放世界玩法内容外，在这个无缝大世界里：上有三门“剑仙出入青冥、儒者齐家治国、佛陀行走人间”，下有偏门九流“问卜、炼尸、驭鬼、养蛊、化妖、机关、寻龙点穴、踏罡布阵、摆坛起符”等等。

The mayor of Rockhaven threw you down a hole into the Undercity. Why? Net worth too low. In this open-world simulation, you and up to 3 pals will steal, fight, and scheme to reclaim the city. Customise your rides, buy businesses, and take on the Mayor’s forces. Rockhaven is yours for the taking!

A role-playing game with survival and action-simulation elements. You are going to explore a huge world of an alien planet full of mysteries and secrets. Fight, trade, loot, evolve and collect knowledge about the world. Become the best. Survive where others die.

Planet Explorers is an open world sandbox adventure RPG game set on a distant planet. The game uses a new OpenCL calculated voxel system to allow players to change the terrain in any way, create new objects such as weapons, vehicles, objects, and do it anywhere.

Start from scratch and rise with scrap, dig through trash, process junk, and grow your profits. Buy warehouses, machines, and vehicles to build your own recycling empire.

Survive in a wild world as nature's strongest hunter with Wolf Simulator: Silent Paws! Explore, survive and write your own legend! Join this epic adventure now and become the true hero of the forest.

Caldera is set in 1849 at the very beginning of the American Gold Rush, where Players have the opportunity to seek their fortunes and learn about the various Mineralization's responsible for Gold-Bearing Ore! Pan for Gold, Mine for Gold, Dig for Gold, Process Minerals, and more!

Survive as a crow through lands bound to cycles of warmth and frost. Endure hunger, thirst, and fatigue while paying attention to predators. Find allies among other animals, share resources, and decide when to leave before survival grows harsher.

new steam page here: https://store.steampowered.com/app/2236190/Vigilancer_2099/

From an errand boy to the big shot – is this possible? Start as a teenage criminal doing menial tasks, skill up, earn respect and make connections. Prove your worth and climb to the top… Parkour style!

See yourself stuck in the middle of an ever growing virus epidemic. Find or craft weapons and tools to fight against the living and the dead. Build a safe place to survive in this cruel, apocalyptic world.