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