146
science-based
× 12 |
18
warfare
× 5 |
7
geology
|
5
earth-like
|
69
science-in-society
× 2 |
16
creature-design
× 3 |
6
military-defense
× 2 |
4
robots
× 2 |
68
science-fiction
× 2 |
15
humanoid
× 3 |
5
magic
× 2 |
4
society
× 2 |
62
vampires
|
14
natural-resources
× 2 |
5
technology
× 2 |
4
flying-machines
|
62
biology
|
12
earthquake
|
5
space-colonization
|
4
mutation
|
45
reality-check
× 7 |
11
time-travel
× 2 |
5
space-combat
|
4
poisons
|
40
communication
× 2 |
11
written-material
|
5
spaceships
|
4
intelligence
|
40
mining
|
11
archaeology
|
5
population
|
2
near-future
|
40
solar-system
|
10
space
× 2 |
5
post-apocalypse
|
2
planets
|
35
horror
|
10
underground
|
5
geography
|
2
explosions
|
35
interspecies-relations
|
10
agriculture
|
5
evolution
|
2
stoneage
|
35
aliens
|
10
food
|
5
astronomy
|
1
culture
× 2 |
23
weapons
× 3 |
8
humans
× 2 |
5
earth
|
1
civilization
|
Dent7777
