Medieval Engineers is a sandbox game about engineering, construction and the maintenance of architectural works and mechanical equipment using medieval technology. Players build cities, castles and fortifications; construct mechanical devices and engines; perform landscaping and underground mining.

The game is inspired by real medieval technology and the way people built architectural works and mechanical equipment using medieval technology. Medieval Engineers strives to follow the laws of physics and history and doesn't use any technologies that were not available in the 5th to 15th centuries.

Medieval Engineers concentrates on construction aspects, but can be played as an action game too. We expect players to avoid engaging in direct man-to-man combat and instead use their creativity and engineering skills to build war machines and fortifications. Medieval Engineers shouldn’t be about troops; it should be about the machinery you build.

Medieval Engineers is the second “engineering” game developed by Keen Software House. The first one is Space Engineers, which sold over 1 million copies in its first year and is still a bestseller.Early Access
Game modes
- Creative - unlimited resources, instant building, invulnerability, levitation
- Survival - this mode is work-in-progress. Currently available: death/respawn, survival building, resource management, inventory, character stats (health, stamina, food)
Single-player
Multiplayer - alpha version (not final)
- Creative and survival mode with your friends
- Cooperative: build together with your friends, protect your castles/cities from barbarian raids
- Competitive: battle against other players
- Privacy customization: offline, private, friends only, public
- Max 16 players (this may increase in the future)
Castle siege mode - play as an attacker or defender and either defend your castle from opponents’ raid or lead the attack to take charge and capture the castle
Character crafting - craft your tools using the basic resources such as scrap wood or small stones
Dedicated servers - players can connect to a third party host, rather than using a player-host, in a peer-to-peer set-up. The result is a faster connection and a more fluid multiplayer performance with less lag
Barbarians - first prototype of enemy AI
Barbarian waves (survival mode) - barbarians will attack players in waves during the night
Peasants - first prototype of friendly AI. Able to pick up stones and move them to his spawn position.
Weapons - Crossbow, sword
First-person & Third-person
Voxel hand – shape the terrain and its material (right now only creative mode voxel hand is implemented)
Block types:
- Small: 0.25 meter (25 centimeters)
- Large: 2.5 meters
- Dynamic: can be used to construct carriages and machinery that is supposed to be moved around
- Static: immovable and connected to earth; if a heavy load breaks its structural integrity it cracks and unsupported parts become dynamic
Building blocks: stone walls (various shapes - from blocky to rounded), wooden walls and flooring, roofs (ceramic, thatched, hay), power source blocks (manual human labor), stored energy blocks (torsion spring), leverages, weights, swings, ropes, wooden beams of various length and shape… More will be added in future!
Realistic physics – structural integrity, destructible objects (everything: from blocks to terrain), real proportions, volume, mass, storage capacity, integrity
Steam Workshop – share your creations with the Community
Modding - world files, 3D models, textures, shaders, API (scripting in-game objects in C#)
32-bit & 64-bit – 64-bit version expands the amount of objects and blocks (almost unlimited) and terrain
World management – generate new worlds, “save as” to multiple copies, auto-save every 5 minutes (can be turned on/off), edit world settings

NOT IMPLEMENTED YET

Mechanical blocks: rotors, transmissions, transitions
Wind power source block
Building blocks: torches and other sources of artificial light, flags... More will be added in the future!

More to be added later

Please be sure to read the list of current features before you buy the game. It will give you an insight on what is or isn't actually working: http://www.medievalengineers.com/features.htmlPerformance Notes
Medieval Engineers is in development and undergoing frequent optimizations. The performance will get better. The performance depends on the complexity of your world and the configuration of your computer. Simple worlds run smoothly even on low-end computers, but a more complex world with rich object interactions could overload even high-end computers.
Minimum requirements represent the bare minimum to run simple scenes and don’t guarantee a perfect experience.

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