© 2026
Achievements
Sundy StairwaySync your progress to see which achievements you've unlocked.
Log in to trackHidden Achievement
HiddenKeep playing to discover this achievement
98.4% global
Hidden Achievement
HiddenKeep playing to discover this achievement
81.1% global
Under the Sea
Complete 1st Boss Battle in Hard Mode of Stairway 1 (without changing difficulty from options menu)
8.1% global
Broken Plate
Complete 2nd Boss Battle in Hard Mode of Stairway 1 (without changing difficulty from options menu)
6.6% global
Hidden Achievement
HiddenKeep playing to discover this achievement
62.2% global
Treasure Hunter Expert 1
Find all mystery boxes on Stairway 1
8.1% global
Hidden Achievement
HiddenKeep playing to discover this achievement
53.5% global
Hidden Achievement
HiddenKeep playing to discover this achievement
52.5% global
Sweet Princess
Complete 1st Boss Battle in Hard Mode of Stairway 2 (without changing difficulty from options menu)
4.5% global
Surpassing My Fears
Complete 2nd Boss Battle in Hard Mode of Stairway 2 (without changing difficulty from options menu)
4.5% global
Hidden Achievement
HiddenKeep playing to discover this achievement
43.3% global
Treasure Hunter Expert 2
Find all mystery boxes on Stairway 2
6.1% global
Hidden Achievement
HiddenKeep playing to discover this achievement
64.7% global
Hidden Achievement
HiddenKeep playing to discover this achievement
47.4% global
Hidden Achievement
HiddenKeep playing to discover this achievement
37.7% global
Calm Expert
Reach 100 CALM points with any character
73.4% global
Hidden Achievement
HiddenKeep playing to discover this achievement
39.7% global
Young Lovers
Complete Boss Battle in Hard Mode of Stairway 3 (without changing difficulty from options menu)
4.5% global
Bye Bye Sannie...
Complete Stairway 3
32.6% global
Treasure Hunter Expert 3
Find all mystery boxes on Stairway 3
4.5% global
Hidden Achievement
HiddenKeep playing to discover this achievement
29.0% global
Hidden Achievement
HiddenKeep playing to discover this achievement
27.0% global
Hidden Achievement
HiddenKeep playing to discover this achievement
32.6% global
Farewell to my First Love
Complete Boss Battle in Hard Mode of Stairway 4 (without changing difficulty from options menu)
4.0% global
Hidden Achievement
HiddenKeep playing to discover this achievement
25.0% global
Treasure Hunter Expert 4
Find all mystery boxes on Stairway 4
4.0% global
Hidden Achievement
HiddenKeep playing to discover this achievement
20.9% global
Unbreakable Bonds
Complete Boss Battle in Hard Mode of Stairway 5 (without changing difficulty from options menu)
4.0% global
Hidden Achievement
HiddenKeep playing to discover this achievement
22.4% global
Treasure Hunter Expert 5
Find all mystery boxes on Stairway 5
4.0% global
Hidden Achievement
HiddenKeep playing to discover this achievement
16.8% global
Nightmare Slayer - Bronze
Defeat 10 enemies
73.9% global
Nightmare Slayer - Silver
Defeat 100 enemies
53.5% global
Nightmare Slayer - Gold
Defeat 1000 enemies
7.1% global
Compulsive Buyer - Bronze
Spend $1000 at vending machines
38.7% global
Compulsive Buyer - Silver
Spend $10000 at vending machines
19.8% global
Compulsive Buyer - Gold
Spend $50000 at vending machines
11.2% global
Hidden Achievement
HiddenKeep playing to discover this achievement
13.7% global
Hidden Achievement
HiddenKeep playing to discover this achievement
12.2% global
Hidden Achievement
HiddenKeep playing to discover this achievement
10.2% global
Do Not Deserve to be Forgiven
Complete First Boss Battle in Hard Mode of Stairway 6 (without changing difficulty from options menu)
4.0% global
Broken Promise
Complete Boss Battle of Route A in Hard Mode of Stairway 6 (without changing difficulty from options menu)
4.0% global
The Rebirth of the Star
Complete Boss Battle of Route B in Hard Mode of Stairway 6 (without changing difficulty from options menu)
4.0% global
Hidden Achievement
HiddenKeep playing to discover this achievement
19.3% global
Treasure Hunter Expert 6
Find all mystery boxes on Stairway 6
4.5% global
Perfect Party!
Level up all characters to LV99
9.1% global
Complete Item Collection
Get all Items
5.1% global
Complete Accesorie Collection
Get all Accesories
2.5% global
Complete Enemy Collection
Defeat all kind of enemies
2.0% global
Complete Mystery Box Collection
Find all Mystery Boxes of all Stairways
3.0% global
Complete Outfit Collection
Get all Outfits
5.6% global
Complete Weapon Collection
Get all Weapons
2.0% global
Hidden Achievement
HiddenKeep playing to discover this achievement
18.3% global
