Here is the full list of all 31 Lifeslide achievements.
Find the hidden spot in "Loving"
Regain time after it runs out quickly, three times in a row
Find the hidden spot in "Awakening"
Regain time after it runs out
Use Knowledge 30 times
Brought to life
Maximum improvements
Collect 10,000 in total
Reach the realm of growing up
Reach the realm of imagination
Complete the game
Reach the final realm
Reach Maturity
Pass "Loving" without collecting any particles
Reach maximum speed
Use three Will power-ups in a quick succession
Reach Adulthood
Whilst holding a power-up, collect a different power-up
Make your first improvement
Reach the realm of healing and dreams
Unlock all planes
Play with all planes
Clear the entire game without dying
Pass "Fighting" with the third plane
Travel 10,000 in one run units on Zen
Find the hidden spot in the "Revealing"
Find the hidden spot in "Giving"
Find the hidden spot in "Creating"
Find the hidden spot in "Fighting"
Find the hidden spot in "Understanding"
Find the hidden spot in "Healing"