Here is the full list of all 15 The Tribe Must Survive achievements.
Survive the first night without losing someone
Keep the Fire active for 25 consecutive days
Survive the Eclipse
Have no one be in Shock during the Eclipse
Close the tutorial before fulfilling any steps
Have your original Tribe Members survive through the game
Survive all 100 days
Win the game without building a Crop Farm
Keep Tribe Fear at or below 20 for 10 consecutive days
Keep Tribe Discontent at or below 20 for 10 consecutive days
Grow your Tribe to 200 Members
Kill every Locust Hive during the Locust disaster
Rename a Tribe Member
Have your entire Tribe fall into Shock
Have at least half of your Tribe Members work in Tinkeries