Here is the full list of all 15 Hard Times at Sequoia State Park achievements.
unlock Alice
Unlocked Sara
Unlocked Celeste
Complete All Mutual Scenes
Complete All Passive Scenes
Complete All Dominant Scenes
Complete All Path Scenes
Play the Story a Third Time
Dreaming of Becky
Play the Story a Second Time
Dreaming of Sara
Play the Story for the First Time
Picture with Becky
Deal with the Pest
Dreaming of Celeste