Press one of the following codes at the main menu.
| Code: | Result: |
| Square, Circle, Triangle, Right, Down, Up, X, Square | Kamen Rider Dark Kabuto |
| Triangle, Left, Circle, Circle, Down, Up, Square, X | Kamen Rider Hyper Gatack |
| X, Up, Triangle, Square, X, Triangle, Square, Down | Kamen Rider Hyper Kabuto |
Complete the indicated task to unlock the corresponding bonus character.
| Unlockable: | How to Unlock: |
| Acarinaworm Amber | Complete two player Story mode as Kamen Rider Drake without a partner. |
| Aracneworm Flavus | Complete two player Story mode as Aracneworm Rubor without a partner. |
| Aracneworm Nigrita | Complete two player Story mode as Aracneworm Flavus without a partner. |
| Kamen Rider Caucasus | Complete the Worm story route in single player mode. |
| Kamen Rider Hercus | Complete the Kabuto story route in single player mode. |
| Kamen Rider Ketaros | Complete the Rider story route in single player mode. |
| Kamen Rider Kick Hopper | Complete two player Story mode as Kamen Rider TheBee (Yaguruma) without a partner. |
| Kamen Rider Punch Hopper | Complete two player Story mode as Kamen Rider TheBee (Kageyama) without a partner or collect 30 Tropical Ramen in survival mode. |
| Kamen Rider TheBee (Kagami) | Complete two player Story mode as Aracneworm Nigrita without a partner. |
| Kamen Rider TheBee (Kageyama) | Complete two player Story mode as Kamen Rider Kabuto under the High difficulty setting without a partner. |
| Scorpioworm | Complete two player Story mode as Kamen Rider Sasword without a partner. |
| Tarantesworm Purpura | Complete two player Story mode as Kamen Rider Gatack without a partner. |
| Ucaworm | Complete two player survival mode 100% with five different characters. Alternately, collect 50 Tropical Ramen in Survival mode. |
| Verberworm Rota | Complete two player Story mode as Verberworm without a partner. |
| ZECT Trooper Shadow status | Complete two player Story mode as the standard Zect Trooper under the Very Easy difficulty setting without a partner. |
Select single player mode and play the indicated story line without using any continues under the normal difficulty setting to unlock the corresponding EX story episode at the end.
| Unlockable: | How to Unlock: |
| Kabuto's EX stage 11 (Kabuto vs. Hyper Kabuto) | Go through Kabuto's story route on normal difficulty without continuing |
| Rider EX Stage 11 (Hyper Gatack vs Hyper Kabuto) | Go through the Rider story route on normal difficulty without continuing |
| Rider EX Stage 12 (TheBee (Kagami) and Shadow Zect Trooper vs Verberworm and Worms) | Complete Rider route EX stage 11 |
| Worm EX stage 8 (Ucaworm vs Hyper Kabuto) | Go through the Worm story route on normal difficulty without continuing |
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