21
evolution
× 3 |
7
kinetic-weapons
|
1
government
|
0
wormholes
|
15
magic
× 5 |
5
society
× 4 |
1
computers
|
0
science-in-society
|
14
earth-like
× 2 |
4
fantasy-races
× 3 |
1
armors
|
0
artificial-intelligence
|
10
science-based
× 7 |
4
time-keeping
|
1
xenobiology
|
0
alternate-history
|
9
medieval
× 4 |
2
creature-design
× 3 |
1
slavery
|
0
civilization
|
9
paranormal
|
2
warfare
× 2 |
1
space-colonization
|
0
communication
|
9
demons
|
2
reproduction
× 2 |
1
super-powers
|
0
economy
|
9
urban-fantasy
|
2
zombies
|
1
post-apocalypse
|
0
faster-than-light
|
7
technology
× 3 |
2
dragons
|
1
psychology
|
0
flight
|
7
biology
× 3 |
2
military
|
1
reality-check
|
0
interspecies-relations
|
7
space
× 2 |
2
mythical-creatures
|
1
time
|
0
melee
|
7
alternate-earth
|
1
physics
× 2 |
0
weapons
× 2 |
0
materials
|
7
poisons
|
1
interstellar-travel
|
0
winged-humans
× 2 |
0
medicine
|