Items can be used by Billy through his adventure to both help him and defeat enemies. Some eggs contain minigames that can be accessed through the game link cable to a GameBoy Advance.
Item Eggs
| Name | Description | Egg | Picture |
|---|---|---|---|
| Paraloop | Use light to defeat enemies. |  |  |
| Thorn Egg | The egg can grow sharp thorns. |  |  |
| Bomb | You can blow up anything. |  |  |
| Bat | Vampire bat that sucks blood. |  | |
| Crow | It will steal your light. | |  |
| Gorilla | Can double your power. |  |  |
| Chameleon | Can turn you invisible. |  |  |
| Mouse | Shrinks you to mouse-size. |  |  |
| Turtle | Use its shell for defense. |  |  |
| Lion | Makes you invincible. |  |  |
| Dice | Drops everyone's health to 1. | |  |
| Super Fruit | Instantly raises any egg. | |  |
| Tiger | Breaks all eggs other than yours. | |  |
| Sheep | Counting makes you sleepy...? | |  |
| Hawk | Breaks all other eggs with wind. | |  |
| Fox | Steal someone else's items. | |  |
| Butterfly (Large) | Replenishes a lot of health. | |  |
| Stopwatch | Time stops for everyone else. |  |  |
| Butterfly (Small) | Replenishes a little health. | |  |
| 1 Up | Receive an extra life. | |  |
| Chick Bomb | Chases your target. |  |  |
| Egg Bomb | Everyone sees it as a normal egg. |  |  |
| GBA | Chu Chu Rocket! Challenge. |  |  |
| GBA | NiGHTS Score Attack. |  |  |
| GBA | Billy Hatcher Hyper Shoot Easy. |  |  |
| GBA | Billy Hatcher Hyper Shoot. | | |
| GBA | Puyo Pop. |  |  |
