Classic Encyclopedia is an item in Merge Mansion. It is used on the Main Board in the Library.
Gameplay Tips[]
Classic Encyclopedia (L1-2) is dropped from Library Cart.- Classic Encyclopedia is required for the tasks in the Library.
- Use Boulton Library Card to instant one level-up the Classic Encyclopedia from L1-L11.
Story[]
From Atoms to Biotechnology
Climate, Deserts, and Diverse Ecosystems
Earth's Past Preserved
Giants of History
From Invertebrates to Whales
Knowledge, Life, and Culture
From Monuments to Nations
Paintings, Sculptures, and More
Regions, Countries, and Landscapes
Theories, Inventions, and Tools
Unseen Visions and Future Technologies
Wonders, Phenomenons, and Beyond
Statistics[]
Merge Stages[]
| Lvl | Image | Item | Sells for | Drops* |
|---|---|---|---|---|
| 1 |
|
A-B - Advances in Science |  1
|
|
| 2 |
|
C-D - Chronicles of Nature | 2
|
|
| 3 |
|
E-F - Encyclopedia of Fossils | 4
|
|
| 4 |
|
G-H - Guide to Paleontology | 6
|
|
| 5 |
|
I-J - Index of Animals | 12
|
 Experience Points (XP)
|
| 6 |
|
K-L - Key Moments in Humanity | 25
|
Experience Points (XP)
|
| 7 |
|
M-N - Mapping Civilization | 51
|
Experience Points (XP)
|
| 8 |
|
O-P - Origins of Art | 102
|
Experience Points (XP)
|
| 9 |
|
Q-R - Quest for Geography | 205
|
Experience Points (XP)
|
| 10 |
|
S-T - Science and Technology | 410
|
Experience Points (XP)
|
| 11 |
|
U-V - Understanding the Future | 820
|
Experience Points (XP)
|
| 12 |
|
W-Z - World of Space | 1640
|
Experience Points (XP)
|
* The Experience Points (XP) drops upon merge and does not repeat, item drops generate repeatedly unless parent item is destroyed or sold.
Double Bubbles[]
| Lvl | Image | Item | Odds | Popping Cost | Lifetime |
|---|---|---|---|---|---|
| 4 |
 |
G-H - Guide to Paleontology | 10% |  19
|
1m |
| 5 |
 |
I-J - Index of Animals | 20% | 35
|
1m |
| 6 |
 |
K-L - Key Moments in Humanity | 30% | 65
|
1m |
| 7 |
 |
M-N - Mapping Civilization | 40% | 117
|
1m |
| 8 |
 |
O-P - Origins of Art | 60% | 206
|
1m |
| 9 |
 |
Q-R - Quest for Geography | 70% | 355
|
2m |
| 10 |
 |
S-T - Science and Technology | 80% | 596
|
2m |
| 11 |
 |
U-V - Understanding the Future | 90% | 977
|
3m |
| 12 |
 |
W-Z - World of Space | 100% | 1563
|
3m |
**Double Bubbles only appear for Level 2 or higher, as they are created by merging. If they are removed or just not popped, they transform into a 
Gold Coins (L3) after their lifetime countdown is finished.