Diplomacy is Not an Option

About

About the Game Diplomacy is Not an Option is a base-building RTS where your task is to fight against vast hordes of enemies. Over 25 THOUSAND of them will storm your castle on procedurally generated maps.

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Based on
4778 reviews
Country Compatibility:
Languages:
Developer:
Door 407
Engine:
Unity
Release date:
04 October 2024
Recent Steam reviews:
Very Positive (176)
All Steam reviews:
Very Positive (4778)

Game features

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Description

About the Game

Diplomacy is Not an Option is a base-building RTS where your task is to fight against vast hordes of enemies. Over 25 THOUSAND of them will storm your castle on procedurally generated maps. To survive, you must build fortifications, raise armies, master engineering, economy, and even magic (the active pause spell included).

Experience warfare on an entirely new scale in the 4 game modes: Endless Mode, Story Campaign, Challenge Mode, and Sandbox Mode. Additionally, you've got the Map Editor to create your own scenarios in the medieval fantasy world of Diplomacy is Not an Option.

Your king is an egocentric pig who has driven the country into an economic crisis with his mindless money-spending. This problem, however, is mostly yours. After all, this is your feud, where peasants are revolting because of unfair taxes.

You can suppress the rebellion, or you can join it. But it's a long road to the end goal. A road on which you will encounter the mysterious tribe of Sarranga and the Undead who worship hard-rock music. No matter which faction you join, casualties will number in the thousands. And siege weapons will mercilessly blast crowds of your enemies. And legions of loyal troops will give their lives for the success of your mission.

While admittedly tongue-in-cheek, the laws of physics are still deadly serious in Diplomacy Is Not An Option. Every arrow, catapult stone and enemy launched skywards is physically modeled, making for a tactile and coherent battlefield. Just make sure your troops have towers to shoot from and clear lines of sight, or you might find your best-laid plans embarrassingly blunted by your own fortifications. Consider your gates, your lines of advancement and retreat. Create kill-zones and fall-back positions. You will need to take an active role in combat to get the best from your men.

Even under siege, never forget your castle was built on the backs of the peasantry. Defend your people, and they’ll serve you well. Engage in agriculture and farming, or food can become scarce, and your soldiers can starve on the battlefield. Build houses, bury fallen soldiers and peasants to prevent plague, and treat the infected when death comes knocking. If you do not care for your people you may soon find yourself overrun with the most unpleasant troubles. Like empty stockpiles, unrepaired walls and running dry barracks… or be overrun literally with swarms of zombies. And no lord wishes to see zombie apocalypse in the backyard of his castle, right?

A functional army requires a functional economy to support and feed it. Food, Wood, Stone, Iron, and Gold are the foundations of your city’s economy, and you will need to watch your supplies carefully if you are to meet the advancing foe in a timely manner. Gather resources, choose your storage locations, plan your expansions and upgrades with care. The enemy will not cede their lands willingly, and unprotected civilian expansions will have consequences of falling prey to the hostile incursion. Trade, via the impressive merchant dirigible, bringing emergency supplies of food to feed the men, or stone to rebuild the walls. Can you strike the balance between greedy expansion and security?

If life gives you lemons, make lemonade. If you’ve inherited a cursed kingdom, why not master the dark arts ? Sturdy castle walls will protect you from most ordinary threats, but in Diplomacy Is Not An Option you're also be battling undeads. So why give them a monopoly on magic ? There is a dark history of tainted power that stirs zombies and traps wayward souls. On the lighter side: it can also be used to call down really very big fireballs onto your enemies. So enjoy that too. Build magical monuments, harvest soul crystals and give a try to a maniacal laugh as searing magical beams tear through your foes and summoned ghosts to chase down the stragglers.

The game has been designed with freedom as a core concept. Go beyond the campaign and crush your foes as you see fit in Endless Mode, Sandbox Mode or Challenge Mode. Develop your own personal strategies on procedurally generated maps. Go heavy on walls early, build large armies of cannon-fodder, or pursue the macro game of greedy growth and costly investments. Play battles in real-time or use pause constantly to keep everything in your hands. Will you be able to stand on a par with the most acclaimed generals in the world, like Joan of Arc and Genghis Khan? Finding which style grants you the most success is up to you.

As in real life, stupidity and greed lie behind most problems, but here it is far too late to talk it through. You have no recourse to resolve this peacefully. At this stage: Diplomacy Is Not an Option!

Recommended system requirements

minimum*

Requirement 1:
Requires a 64-bit processor and operating system
OS:
Windows 10, 11 64 bit
Processor:
Intel Core i5 6400 / AMD X8 FX-8300
Memory:
16 GB RAM
Graphics:
GeForce GTX 960 / AMD Radeon R9 280
DirectX:
Version 11
Storage:
15 GB available space
Sound Card:
DirectX 11 compatible
Additional Notes:
mouse wheel

recommended*

Requirement 1:
Requires a 64-bit processor and operating system
OS:
Windows 10, 11 64 bit
Processor:
Intel Core i5 7400 / AMD Ryzen 3 2300X
Memory:
32 GB RAM
Graphics:
GeForce GTX 2060 / AMD Radeon RX 5600
DirectX:
Version 11
Storage:
15 GB available space
Sound Card:
DirectX 11 compatible
Additional Notes:
mouse wheel

User reviews

G3NTrovert
Not recommended | 11 Jul 2026
11.7h played

So great game, just one issue. It completely freezes the gpu every minute or so. Basically, I do not yet recommend anyone getting this game eventhough it is a lot of fun. reason being, that there is a severe graphical

Helpful: 2
Superbadisfunny
Recommended | 07 Jul 2026
11.4h played

dude, i love this game so freaking much ! the city building aspect is so smooth with creating an army. the game is just challenging enough to make winning so satisfying. every time i lose, i come up with another plan

Helpful: 0
tomasoltis
Recommended | 16 Jul 2026
42.1h played

Good game, I would have appreciated enemies and friendlies leveling up over time. However, since my game is gifted, as I dont actually buy myself games, this review will not be counted by unpolite Steam lol. Losers.

Helpful: 0
alax
Recommended | 17 Jul 2026
10.5h played

I really enjoy Diplomacy is Not an Option, but I feel the game would become even more engaging with a Hero or General system. I don't mean an overpowered RPG-style hero that can wipe out entire armies alone. Instead, I

Helpful: 0
Galatolol
Recommended | 13 Jul 2026
5.6h played

First impressions are very, very good. It has a strong Stronghold vibe and you feel like you are defending Helm's Deep or Minas Tirith. I'm not a fan of micromanaging your troops around the map to destroy the tents and

Helpful: 0
Richard Bikkok
Recommended | 14 Jul 2026
6.0h played

At point of review, im.only six hours in. I can alredy tell that this will become one of my most played games. It feels very similar to fortress crusader from way back when with the building. Mixed in with the enemy

Helpful: 1