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What is the minimum human population necessary for a sustainable colony?

Possible distance travelled by horse over 6 weeks?

Are there techniques for creating alien or foreign sounding names?

Plausible Reasons for usage of Combat Mecha

How many people can you feed per square-kilometer of farmland?

Spiders In Space: How to design a space suit for an arachnid?

Taxing the superhero industry

Stealth in Space: How realistic is it?

Is there a more effective way to build a language than a word frequency list?

How far away would an alien civilization need to be for us to not notice them?

What circumstances could lead to city layout based on hexagons?

The Emperor's New Palace

How would an independent, illegal and secret group of assassins accept assignments?

Realistic economic impact of a Hero

How to politely coexist with a vampire?

What does a medieval army cost?

How to add tactics and maneuvering into space warfare

Why is ground warfare smaller scaled than space warfare?

How do I stop annoyed wizards from killing people all the time?

Justifying Affordable Bespoke Spaceships

How do I create a religion unlike greek pantheon?

Mapping a fantasy/horror building where rooms overlap

What would a battle between supercomputers be like with the battleground being the internet?

What makes trading cities rich?

Can we build a roguelike maze?

What should a god put on an island, so that its human settlers will more quickly achieve an industrialised society?

Currency for my medieval game

How would a female immortal be able to hide while keeping their name down the centuries?

What efficiencies make a realistic food chain?

Close Quarters Combat... In Space