Full list of all 55 Before We Leave achievements worth 1,000 gamerscore. It takes around 60-80 hours to unlock all of the achievements on Xbox One.
Survive 100 Whale Attacks across all games
Have all Peeps wearing Good Clothing in a none "Apocalypse Soon" scenario
Build 100 Spaceships across all games
Colonise 100 Islands across all games
Build 200 Ships across all games
Complete the Hut-Owners Association scenario
Create 5000 Peeps across all games
Complete the Apocalypse Soon scenario
Hide all Peeps on a Planet in Shelters during a Whale attack
Have 100+ Peeps in a game, all of them Very Sad
Tame a Minotaur
Prevent a Whale attack with a Space Elevator
Make 1000 Gadgets across all games
Build 1000 Huts across all games
Complete the Getting Busy scenario
Have a Planet with every Island tile polluted (except tiny islands), with default pollution settings
Repair Spaceship without ever demolishing a Forest
Tame a Sphinx
Survive 20 Whale Attacks across all games
Complete the Seed Hunter scenario
Tame a Kraken
Lose 20+ buildings in one whale attack
Tame a Gremlin Nest
Destroy a Ship by creating crystal Island under it
Repair the Spaceship in 90 in-game minutes
Demolish 1000 forests across all games
Finish the game without ever building a cleaner
Finish the game
Survive a whale attack
100+ Happy Peeps on an Island with no Fields, Extractor, Industry or Quality of Life buildings.
Maintain a full Shield for 1 in-game hour around a Planet with only Wind and Solar generators
Build 10 Spaceships across all games
Colonise 20 Islands across all games
Use a Transmogrifier 200 times across all games
Fully protect a Planet with a Shield
Colonise 7 Planets in 1 game
Colonise an outermost Planet
Have 100 Peeps on an Island without ever building a School there. Limited Peeps mode must be off
Colonise Islands of all 6 biomes and have a population of at least 50 Peeps on each of them
Build 20 Ships across all games
50+ Peeps, all happy, on an inner or outer Planet Island, fed with only potatoes and water
Have one Island with 300+ Peeps on it, all with homes
Have one Island with 200+ Peeps, all happy and housed
Have 100+ Happy Peeps living in Apartments with 10 Fountains and no Pollution on an Island.
Colonise an innermost Planet
Make 100 Gadgets across all games
Use a Transmogrifier 30 times across all games
Create 500 Peeps across all games
Build 100 Huts across all games
Colonise a Planet
Repair the Spaceship
Demolish 100 forests across all games
Repair the Ship in 15 in-game minutes
Repair the Ship
Make a Tool at a Toolsmith