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world 10 You can only eat as fast as your body allows, and that is true of meat as well: what you kill and cannot finish is left on the ground for something else to find.

A creature's SIZE is its body, because every contest here is decided on structure alone: a fat small creature loses to a lean large one. Its COLOUR is how fast it feeds: pale is gentle and deep is voracious. Feed slower than the ground comes back and a cell sustains you for good; feed harder and you strip it, your income collapses to the bare floor, and you move or starve. The green surface is the ground itself, brighter where more energy has gathered and dark where something has grazed it bare. ROSE MEANS SOMETHING DIED THERE: sunlight stops at the ceiling, so only a corpse can carry a cell that high. The violet haze is scent, ground walked over recently, fading tick by tick.

creatures
879
in creatures
94704
tick
916
born
368596
absorbed
13839452
signatures
135
spread
45
ticks/s
2

descent

52 generations deep

the oldest living line is 52 births from the founding

founder lines
1
largest body
3824

where the energy is

exhaustive: in the ground, in something alive, or already burnt

in the ground
157281
in creatures
94704
burnt
12934289
stayed put
52%
energy from creatures
23%

what they measure

0.01 per creature

carriers, then how hard the brain acts on it. A sensor that is carried and ignored is an organ being paid for and changing nothing.

ground
1
0.0
creatures
4
0.0
scent
7
0.0
self
1
0.0

the ground

energy in it
157281
in richest 10%
55%

what they can do

can move
846
can breed
865
hidden nodes
0.00

deaths, by cause

eaten
223564
starved
144127
of old age
26

body plans, since the start

sensors gained
6296
sensors lost
40

sensors carried

creatures at each count

hidden nodes

creatures at each count

how fast they feed

gentle to voracious

rules 4f303ca1e3324406
body_mutation
20
brain_mutation
1
brain_mutation_structural
20
brain_range
8
founder_max_hidden
2
ground_ceiling
400
ground_growth_pct
6
ground_seed
12
hidden_rent
10
max_age
600
max_creatures
6000
max_hidden
6
max_sensor_range
4
max_sensors
8
metabolism
10
move_cost
10
radius
20
scent_ceiling
30
scent_decay
2
scent_mutation
3
scent_per_tick
10
sensor_rent
10
start_energy
800
transfer_efficiency
100
upkeep_divisor
33
uptake_mutation
8

Where it has been

Grazing pressure against regrowth. Two charts rather than two lines on one: they count different things, so a crossing point between them would mean nothing. Both are plotted against the world's own tick, and both axes start at zero.

creatures

0 1000 2000 29 458 887
tick now 848
values
lowest 320
highest 2000
latest 848
ticks 29 to 887

energy in the ground

0 250.0k 500.0k 29 458 887
tick now 163.1k
values
lowest 151179
highest 500000
latest 163127
ticks 29 to 887

16 samples, ticks 29 to 887. A line that stops is an island that stopped: a row is written only when its tick advances.

Whether it can still change

The entropy account and the depth of descent. The first is every unit ever spent on living, as heat, and it is the only quantity here that cannot fall. The second is how many births separate the oldest living creature from the founding: at zero, every creature alive IS a founder and the world has selected nothing.

burnt as heat

the Second Law: this can only rise

0 10.0M 20.0M 29 458 887
tick now 12.5M
values
lowest 103237
highest 20000000
latest 12495085
ticks 29 to 887

generations deep

zero means nothing but founders

0 25 50 29 458 887
tick now 50
values
lowest 10
highest 50
latest 50
ticks 29 to 887

What they became

Neither is a rule. There is no herbivore field and no carnivore flag anywhere in the island: both are counted afterwards from what actually happened.

energy from creatures

counted afterwards, never declared

0 25 50 29 458 887
tick now 23%
values
lowest 23%
highest 50%
latest 23%
ticks 29 to 887

sensors per creature

what they pay to measure with

0.00 0.05 0.10 29 458 887
tick now 0.01
values
lowest 0.0
highest 0.1
latest 0.01
ticks 29 to 887

Only samples sharing this island's current rules are drawn. Change the economy and the line starts again rather than bending, because an island before and after a rules change is two different games.