Coin Shop
Shop is closed from 8:30 PM to 9:30 PM every day.
Streak freeze
If equipped, the streak will not break event if you forgot to solve the problem yesterday. It does not increase the length of the streak.
You can equip it and use it in your inventory.
You can equip it and use it in your inventory.
0.990 in possession, limit 2
Redeem ticket: Stars in the Evening Sky
A ticket that can be used to unlock the profile background: Stars in the Evening Sky.
You can equip it by pressing the [Edit Profile] button in your profile.
You can equip it by pressing the [Edit Profile] button in your profile.
10,0000 in possession, limit 1
Redeem ticket: If you need more burgers or coke, please feel free to ask our staff
A ticket that can be used to unlock the profile background: If you need more burgers or coke, please feel free to ask our staff.
You can equip it by pressing the [Edit Profile] button in your profile.
You can equip it by pressing the [Edit Profile] button in your profile.
4.010 in possession, limit 1
Random streak color chip × 5
A color chip that changes the color of the streak chart in the profile to color randomly selected from 12 colors and some unique colors. After use, the color of the streak graph changes permanently, and the current color disappears.
0.150 in possession, limit 999
Random streak color chip × 40
A color chip that changes the color of the streak chart in the profile to color randomly selected from 12 colors and some unique colors. After use, the color of the streak graph changes permanently, and the current color disappears.
1.000 in possession, limit 999
Hanbyeol stickers #1
Unlock one of the 15 stickers you can use on the contribution screen. You can use unlocked stickers permanently.
0.200 in possession, limit 999
Hanbyeol stickers #1 × 10
Unlock one of the 15 stickers you can use on the contribution screen. You can use unlocked stickers permanently.
1.500 in possession, limit 999
Redeem ticket: Midas's Hand
A ticket that can be used to unlock the profile background: Midas's Hand.
You can equip it by pressing the [Edit Profile] button in your profile.
You can equip it by pressing the [Edit Profile] button in your profile.
9.990 in possession, limit 1
Hanbyeol and Eunha stickers (suisou ver.) #1
Unlock one of the 15 stickers you can use on the contribution screen. You can use unlocked stickers permanently.
0.200 in possession, limit 999
Hanbyeol and Eunha stickers (suisou ver.) #1 × 10
Unlock one of the 15 stickers you can use on the contribution screen. You can use unlocked stickers permanently.
1.500 in possession, limit 999
Hanbyeol and Eunha stickers (suisou ver.) #2
Unlock one of the 15 stickers you can use on the contribution screen. You can use unlocked stickers permanently.
0.200 in possession, limit 999
Hanbyeol and Eunha stickers (suisou ver.) #2 × 10
Unlock one of the 15 stickers you can use on the contribution screen. You can use unlocked stickers permanently.
1.500 in possession, limit 999
More items will be added in the future.