Backgrounds
These cannot be seen anywhere and are (currently) obtained from unique places.
| No. | Background | Requirement |
| 1 | Automatically unlocked | |
| 2 | Automatically unlocked | |
| 3 | Reward from 8th anniversary login bonus in October 2023 and later in 119 gem shop deals | |
| 4 | Reward from Christmas login 2023 or purchasable in shop offer in Christmas 2024 (119 gem deal) | |
| 5 | Reward from New Year login Jan 2024 or purchasable in shop offer in Christmas 2024 (119 gem deal) | |
| 6 | One of the two choices for a free background in the 9th anniversary | |
| 7 | One of the two choices for a free background in the 9th anniversary | |
| 8 | Reward from Christmas login 2024 and later in 119 gem shop deals | |
| 9 | Purchasable in shop offer in Christmas 2024 (150 gem deal) | |
| 10 | Purchasable in shop offer in Christmas 2024 (150 gem deal) | |
| 11 | Reward from New Year login Jan 2025 | |
| 12 | Purchasable in shop offer in summer 2025 (150 gem deal) | |
| 13 | Purchasable in shop offer in summer 2025 (150 gem deal) |
