|
65
dinosaurs
|
18
gravity
× 2 |
6
relativity
|
4
stoneage
|
|
65
civilization
|
12
hard-science
× 2 |
6
astronomy
|
3
universe
|
|
65
medieval
|
12
bronze-age
|
5
technology
× 2 |
2
reality-check
× 5 |
|
65
protection
|
12
military-defense
|
5
time
|
2
materials
× 3 |
|
52
antimatter
× 3 |
12
terraforming
|
5
computers
|
2
metals
|
|
47
planets
× 4 |
12
space-constructs
|
5
time-travel
|
2
chemistry
|
|
47
energy
× 2 |
12
cataclysms
|
5
precognition
|
2
atmosphere
|
|
40
alternate-reality
|
8
physics
× 4 |
5
hacking
|
2
climate
|
|
40
biochemistry
|
8
astrophysics
× 2 |
4
natural-disasters
|
1
environment
× 3 |
|
40
xenobiology
|
7
magic
|
4
asteroids
|
1
geography
|
|
39
science-based
× 7 |
7
prison
|
4
rogue-planets
|
1
geology
|
|
39
science-fiction
× 3 |
7
psionics
|
4
alternate-history
|
1
earth
|
|
38
black-holes
× 2 |
7
generation-ships
|
4
prehistoric-times
|
0
gas
|
SurpriseDog
