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