| Pokedex Entries: |
| Red | A rare and elusive Pokémon that is said to bring happiness to those who manage to get it. |
| Blue |
| Yellow | A gentle and kind-hearted Pokémon that shares its nutritious eggs if it sees an injured Pokémon. |
| Gold | It walks carefully to prevent its egg from breaking. However, it is extremely fast at running away. |
| Silver | Few in numbers and difficult to capture, it is said to bring happiness to the trainer who catches it. |
| Crystal | People try to catch it for its extremely nutritious eggs, but it rarely can be found. |
| Ruby | CHANSEY lays nutritionally excellent eggs on an everyday basis. The eggs are so delicious, they are easily and eagerly devoured by even those people who have lost their appetite. |
| Sapphire |
| Emerald | CHANSEY lay nutritionally excellent eggs every day. The eggs are so delicious, they are eagerly devoured by even those people who have lost their appetite. |
| FireRed | It lays several eggs a day. The eggs are apparently rich in nutrients and extremely delicious. |
| LeafGreen | A rare and elusive Pokémon that is said to bring happiness to those who manage to get it. |
| Diamond | It is said to deliver happiness. Being compassionate, it shares its eggs with injured people. |
| Pearl | It lays several eggs a day and won't share them with those who have evil in their hearts. |
| Platinum | A kindly Pokemon that lays highly nutritious eggs and shares them with injured Pokemon or people. |
| Stadium 1 | Lays very succulent eggs every day. If it is treated with love and care, its eggs appear to become even more delicious. |
| Stadium 2 | It walks carefully to prevent its egg from breaking. However, it is extremely fast at running away. |
| TCG | Chansey: It holds its egg carefully when moving so as not to break it. Still, it is fast enough to disappear in the blink of an eye. |
