| 3 | Ruby | Baltoy moves while spinning around on its one foot. Primitive wall paintings depicting this Pokémon living among people were discovered in some ancient ruins. |
| 3 | Sapphire | As soon as it spots others of its kind, Baltoy congregates with them and then begins crying noisily in unison. This Pokémon sleeps while cleverly balancing itself on its one foot. |
| 3 | Emerald | A Baltoy moves by spinning on its single foot. It has been depicted in murals adorning the walls of a once-bustling city in an ancient age. |
| 3 | FireRed, LeafGreen | It was discovered in ancient ruins. While moving, it constantly spins. It stands on one foot even when asleep. |
| 4 | Diamond, Pearl, Platinum | It moves by spinning on its foot. It is a rare Pokémon that was discovered in ancient ruins. |
| 4 | HeartGold, SoulSilver | It moves while spinning around on its single foot. Some Baltoy have been seen spinning on their heads. |
| 5 | Black, White | It moves by spinning on its foot. It is a rare Pokémon that was discovered in ancient ruins. |
| 5 | Black 2, White 2 | Discovered in ancient ruins, it moves by spinning around and forms a group when it finds others. |
| 6 | X | It moves while spinning around on its single foot. Some Baltoy have been seen spinning on their heads. |
| 6 | Y | It moves by spinning on its foot. It is a rare Pokémon that was discovered in ancient ruins. |
| 6 | Omega Ruby | Baltoy moves while spinning around on its one foot. Primitive wall paintings depicting this Pokémon living among people were discovered in some ancient ruins. |
| 6 | Alpha Sapphire | As soon as it spots others of its kind, Baltoy congregates with them and then begins crying noisily in unison. This Pokémon sleeps while cleverly balancing itself on its one foot. |
| 7 | Ultra Sun | Depictions of Pokémon similar to Baltoy have been found on the walls of caves where primitive humans lived. |
| 7 | Ultra Moon | When they find others of their kind, they cry out loudly and gather together. Large numbers of them can be found in old graveyards. |
| 8 | Sword | It moves while spinning around on its single foot. Some Baltoy have been seen spinning on their heads. |
| 8 | Shield | It was discovered in ancient ruins. While moving, it constantly spins. It stands on one foot even when asleep. |
