| 4 | Diamond | It wolfs down its weight in food once a day, swallowing food whole with almost no chewing. |
| 4 | Pearl | It hides food under its long body hair. However, it forgets it has hidden the food. |
| 4 | Platinum | In its desperation to gulp down food, it forgets about the food it has hidden under its fur. |
| 4 | HeartGold, SoulSilver | It conceals food under the long fur on its body. It carts around this food stash and swallows it without chewing. |
| 5 | Black, White, Black 2, White 2 | In its desperation to gulp down food, it forgets about the food it has hidden under its fur. |
| 6 | X | It hides food under its long body hair. However, it forgets it has hidden the food. |
| 6 | Y | It conceals food under the long fur on its body. It carts around this food stash and swallows it without chewing. |
| 6 | Omega Ruby | It hides food under its long body hair. However, it forgets it has hidden the food. |
| 6 | Alpha Sapphire | It conceals food under the long fur on its body. It carts around this food stash and swallows it without chewing. |
| 7 | Sun | It needs to consume its own weight in food every day. As far as flavor is concerned, it's indifferent. |
| 7 | Moon | When it finds something that looks like it might be edible, it goes right ahead and swallows it whole. That's why it gets fatter day by day. |
| 7 | Ultra Sun | It hides food under its long fur, but it sometimes forgets about it and causes a stinky disturbance. |
| 7 | Ultra Moon | Anything that looks edible, Munchlax will go on and swallow whole. Its stomach is tough enough to handle it even if the food has gone rotten. |
| 8 | Sword | Stuffing itself with vast amounts of food is its only concern. Whether the food is rotten or fresh, yummy or tasteless—it does not care. |
| 8 | Shield | It stores food beneath its fur. It might share just one bite, but only if it really trusts you. |
