The Most Complex Games That Will Make Players Sweat With Their Difficulty


In the ever-evolving landscape of gaming, developers continually push the boundaries of creativity and innovation, giving rise to a breed of games that transcend the conventional and plunge players into a realm of unparalleled complexity. From intricate narrative structures to mind-bending puzzles and strategic gameplay, these games demand more than just quick reflexes—they require a profound understanding of mechanics, a strategic mindset, and often, a considerable time investment. In this exploration, we delve into the most complex games ever created, offering a glimpse into the immersive worlds that challenge and captivate players seeking the ultimate gaming experience.

The Most Complex Games

Europa Universalis IV

Europa Universalis IV, a Paradox game, is a great strategy game with a long learning process that requires your attention. Europa Universalis 4, which has been played with love since its debut in 2013, is a production that you need to spend a lot of time on with its hundreds of different game mechanics and systems, and it gets more complex as you dig. You can play the game alone or with your friends, and you can spend hours of fun and stress in front of the screen.

The game’s depth lies in its diplomatic intricacies, economic systems, and the dynamic simulation of historical events, offering a truly immersive experience that challenges players to master the intricacies of global geopolitics.


Satisfactory is a base building and resource management strategy game. This game, which contains a lot of details, promises you long hours that you can spend against it with the possibilities and complexity it provides, even if it is not difficult. Although Satisfactory is still in early access, it has already managed to win the love of the players, there is already a considerable player base behind the game. Coffee Stain, the name behind the production, continues to improve and develop the game.

Also Read: The Best Military Simulation Games

Opus Magnum

Opus Magnum, produced by Zachtronics, which is famous for its quality puzzle games, is a production that makes players sweat with its difficulty. If you’re into cybernetics, mechanics and math and like to challenge yourself, Opus Magnum is the game for you. Opus Magnum, which manages to satisfy the players with its well-written story as well as the minigames in it, is one of the most successful and remarkable puzzle games of recent times.


Factorio is a survival base building and resource management strategy game where we find ourselves on another planet and try to get out of there. Factorio, where you really need to approach things like an engineer and look at things mathematically, is a game that grows deeper and deeper as you play. You can spend hundreds or even thousands of hours playing this game.

Oxygen Not Included

Just like Factorio, Oxygen Not Included is a mathematical strategy game with the themes of survival, base building and colonization. While playing this game, you will find yourself doing a lot of trading and using your calculator often. You will have a lot of fun and spend long hours in front of the screen while trying to bring your colony, which starts with very simple and basic needs, to a self-sustaining position.

Also Read: The Best Space Games for PC

Crusader Kings III

Crusader Kings III, the newest game of Crusader Kings, one of the best-known series of Paradox Interactive, is a one of the most complex games and a very detailed strategic role-playing game in which you can spend long hours. You can write your own story.

As a ruler navigating the political landscape of medieval Europe, players must not only engage in strategic warfare but also manage intricate family trees, handle complex political alliances, and ensure the stability and growth of their dynasties. The cascading consequences of every decision make Crusader Kings III a rich tapestry of political intricacies.


Although it looks like an ordinary card game with hundreds of precedents in the market, Inscryption is much more than that. Inscryption, which also contains roguelike elements, tells a story with its cards. With its constantly changing gameplay, storytelling technique and interesting events such as breaking the 4th wall, Inscryption manages to position itself in a different place from ordinary card games.

Also Read: The Best Card Games for PC

Return of the Obra Dinn

Developed by Lucas Pope, who also made Papers, Please, this production is a puzzle game in which we are detective. Unlike other productions on the list, this game does not give you mathematical calculations or detailed mechanics that you can spend hundreds of hours with. Instead, Obra Dinn leaves you with puzzles that you really need to think about and use your head with. In order to continue the story of the game and understand how the events unfold, you have to pay attention to everything that happens and keep your eyes open.

Dwarf Fortress

At the forefront of complexity stands Dwarf Fortress, a game renowned for its unparalleled depth and intricacy. This construction and management simulation unfolds in a procedurally generated world where players guide a group of dwarves to establish a thriving fortress. From managing intricate supply chains to navigating the complexities of dynamic ecosystems, Dwarf Fortress immerses players in a web of interconnecting systems that mimic the complexity of real-world societies.

Victoria II

Victoria II, a grand strategy game set in the tumultuous 19th century, stands out for its unparalleled attention to historical detail and socio-economic complexity. Players must manage not only military conquests but also grapple with intricate systems representing industrialization, political reforms, and the dynamic interactions of populations. Victoria II is a masterclass in the simulation of complex historical forces.

Also Read: The Best WW1 Games

Kerbal Space Program

Kerbal Space Program takes complexity to new heights by placing players in charge of a space program where they design, build, and pilot spacecraft. The game incorporates real physics and orbital mechanics, requiring players to understand the intricacies of space travel. From planning trajectories to managing resources, Kerbal Space Program transforms rocket science into an accessible yet highly complex gaming experience.

X4 Foundations

X4: Foundations, one of the most complex games, places players in the expansive universe of space exploration, trade, and empire-building. The game’s complexity lies in its dynamic economy, intricate trade networks, and the ability to manage an entire fleet of ships. From building space stations to engaging in large-scale space battles, X4: Foundations offers an intricate sandbox experience that challenges players to master the complexities of a galactic empire.

As the gaming industry continues to evolve, the pursuit of complexity in game design stands as a testament to the growing demands and expectations of players seeking more immersive and challenging experiences. These games, each a pinnacle in its genre, redefine what it means to engage with virtual worlds. From the intricate political landscapes of grand strategy games to the realistic simulations of space exploration, the most complex games invite players to unravel intricacies, confront challenges, and ultimately emerge victorious in the face of unparalleled complexity.

Written by Maya Robertson


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