Here is the full list of all 27 Simmiland achievements.
humankind beat you and crossed the spacetime dimension
build modern homes and cars
found all non edible resources
have mankind build villages on 3 different islands
50% of eaten food was processed
mankind flew to space
found all types of food
create enough metal/glass/oil drums/batteries for an industrial revolution
humans surviving in sub-zero temperatures
get an IQ over 200
humankind beat the plague
build the sky tower
a type of divine intervention
have mankind learn about conductive electricity the hard way
have mankind create a smelting furnace near lava
have an oven and a cooking pot
create an oil reservoir
you shouldn't eat that...
create the town center
get 10+ population
inspect a swamp herb to have mankind realize medication
have farms, an animal pen and a farmhouse
have mankind create a church
create a volcano
build a log cabin in the woods
create a berry bush
create a civilization of at least 6+ pop with an IQ lower than 70