User Matthieu M.

58 votes

The world is ending, how to convince/force chosen ones to come quietly?

answered Jan 4, 2016 at 20:09

48 votes

Why would a civilization outfit buildings with separate portals for entering and leaving them?

culture civilization architecture

answered Mar 4, 2017 at 19:48

32 votes

Accepted

How can changes in personality/values of a person who turned into a vampire be explained?

fantasy-races psychology vampires memory

answered Feb 21, 2019 at 8:30

29 votes

Why might the government keep the gold at Fort Knox, even though super-villains steal it all the time?

reality-check super-powers security

answered Jul 11, 2018 at 8:25

11 votes

Is a land-based aircraft carrier possible?

reality-check technology warfare

answered Feb 5, 2016 at 15:42

10 votes

Cyberpunk Loan Shark

crime criminal-underworld cyberpunk

answered Jan 18 at 14:55

8 votes

Pre-electrical fast long-distance communication using Acoustic Mirrors

technology medieval communication audio

answered Aug 18, 2018 at 12:30

8 votes

Creating a barrier between continents

magic virtual-reality

answered Mar 7, 2018 at 12:11

7 votes

The most secured, completely untraceable mobile phones in the world

technology technological-development engineering

answered Apr 3, 2017 at 14:52

7 votes

How to design a fortress in a mountain to keep it hidden, but still easily defensible?

medieval architecture mountains siege

answered Apr 8, 2017 at 11:40

7 votes

Explanation as to why Male/Female Wizards have sexy bodies

society magic culture

answered Jul 20, 2018 at 7:23

6 votes

Is it possible to win many wars while not being highly regarded in the military art?

reality-check military

answered Apr 16, 2018 at 14:42

6 votes

How could a group of 6 people destroy an army?

reality-check magic combat

answered Feb 6, 2015 at 20:55

5 votes

Killing off Indiana Jones

reality-check architecture archaeology

answered Oct 30, 2015 at 19:37

5 votes

What event would cause a huge, dominant nation to adopt the language of a smaller, inferior one?

society culture politics language

answered Sep 4, 2018 at 7:17

5 votes

How do rulers get rich from war?

warfare conspiracy finances

answered Sep 16, 2019 at 12:50

5 votes

Rite of Winter: How to Stop Crescian Couples from Mutual Assassination

answered Nov 30, 2019 at 14:00

4 votes

Reason for an exterior control panel on a space ship

spaceships artificial-intelligence engineering

answered Feb 17, 2018 at 20:25

4 votes

The go-to power source for transportation in a post apocalyptic world

post-apocalypse power-sources transportation

answered Oct 27, 2015 at 19:07

3 votes

How to make being a mage so cutthroat that generally only power mad become mages?

magic

answered Jul 15, 2016 at 15:32

3 votes

What could make an area of land be accessible only at certain times of the year?

reality-check environment geography

answered Oct 17, 2016 at 13:48

3 votes

Designing best mechanical doors

technology construction

answered Feb 24, 2017 at 20:28

3 votes

Ways to keep a fantasy cold war between dragons and knight sorcerers cold?

reality-check dragons geopolitics empire-building

answered Jan 8, 2019 at 20:20

2 votes

What would make light pollution lethal or prohibiting?

environment light

answered May 10, 2015 at 10:30

2 votes

World where gender roles are swapped

humans alternate-worlds alternate-history

answered Aug 7, 2015 at 18:41

2 votes

What is a medieval technology method of underwater enemy detection?

technology underwater

answered Jul 19, 2017 at 12:33

1 vote

How can I make my languages structurally less like English?

language worldbuilding-process

answered Sep 1, 2015 at 7:48

1 vote

Wealth of an island-castle

reality-check economy feudalism

answered Sep 10, 2015 at 8:07

1 vote

How would an order of Monks that renounce their names communicate effectively?

language communication

answered Jun 24, 2019 at 8:28

1 vote

How can defeating lesser monsters grant more magical power compared to more difficult ones?

balancing-magic-systems monsters

answered Jun 1, 2020 at 10:37

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33 Answers

The world is ending, how to convince/force chosen ones to come quietly?

Why would a civilization outfit buildings with separate portals for entering and leaving them?

How can changes in personality/values of a person who turned into a vampire be explained?

Why might the government keep the gold at Fort Knox, even though super-villains steal it all the time?

Is a land-based aircraft carrier possible?

Cyberpunk Loan Shark

Pre-electrical fast long-distance communication using Acoustic Mirrors

Creating a barrier between continents

The most secured, completely untraceable mobile phones in the world

How to design a fortress in a mountain to keep it hidden, but still easily defensible?

Explanation as to why Male/Female Wizards have sexy bodies

Is it possible to win many wars while not being highly regarded in the military art?

How could a group of 6 people destroy an army?

Killing off Indiana Jones

What event would cause a huge, dominant nation to adopt the language of a smaller, inferior one?

How do rulers get rich from war?

Rite of Winter: How to Stop Crescian Couples from Mutual Assassination

Reason for an exterior control panel on a space ship

The go-to power source for transportation in a post apocalyptic world

How to make being a mage so cutthroat that generally only power mad become mages?

What could make an area of land be accessible only at certain times of the year?

Designing best mechanical doors

Ways to keep a fantasy cold war between dragons and knight sorcerers cold?

What would make light pollution lethal or prohibiting?

World where gender roles are swapped

What is a medieval technology method of underwater enemy detection?

How can I make my languages structurally less like English?

Wealth of an island-castle

How would an order of Monks that renounce their names communicate effectively?

How can defeating lesser monsters grant more magical power compared to more difficult ones?