Here is the full list of all 52 Aurora - there are Hidden Colors achievements.
Complete Chapter 1 in Story mode.
Walk 1000 steps during a journey.
Win 100 Battles against the CPU in Battle Mode!
Battle once in Battle Mode!
Unlock 36 characters in Battle Mode!
Complete Chapter 2 in Story mode.
Defeat 1 boss in Story Mode.
Complete Chapter 3 in Story mode.
Touch 10 Wild Magic Plants to see what happens.
Complete 1 Magical Maze with success!
Mine for 1 hour.
Complete 10 missions in Story Mode.
On Story Mode - Chapter 4, get to Ivana without Gav's help.
Complete an instance of the Palace of Damnation for the first time in Story Mode.
Complete all Magical Mazes wish success.
Complete 30 missions in Story Mode.
Shake 20 trees.
Reach level 40 as Gabriela.
Walk 10000 steps during a journey.
Reach level 30 as Gabriela.
Reach level 20 as Mikhail.
Win the Rain Village Tournament for the first time, in Maraxes.
Defeat all possible opponents in the Rain Village Tournament, in Maraxes. (or beat the tournament 5 times)
Go fishing for the first time on a river, on a lake and inside a cave.
Complete the Fishing Chart with Marcus from the Rain Village.
Complete Chapter 4 in Story mode.
Defeat 10 bosses in Story Mode.
Win 100 battles in Story Mode.
Accumulate $9999 or more in Story Mode.
Complete the main Petrov's Farm's missions in Story Mode.
Craft a legendary weapon or equipment in the Palace of Damnation in Story Mode.
Complete the Bestiary with Ursula from the Sky Village in Story Mode.
Complete Chapter 5 in Story mode.
Catch the chicken!
Collect all the discount coupons in Story Mode.
Collect all existent food/drinks recipes in Story Mode.
Check your own map of the Protected Villages for the first time!
Unlock all 72 characters in Battle Mode!
Buy a skin in Battle Mode!
Connect to the internet in Adventure Mode!
Choose your pet's name in Adventure Mode!
Reach Level 5 in Adventure Mode!
Reach Level 10 in Adventure Mode!
Reach Level 15 in Adventure Mode!
Reach Level 30 in Adventure Mode!
Reach Level 40 in Adventure Mode!
In Adventure Mode, develop either a romantic relationship or rivalry.
Defeat all wolves inside the Strange House in Adventure Mode!
Start 5 friendships in Adventure Mode!
Beat Arcade Mode 1v4 in Battle Mode!