Move through any 1P story route without continuing on Normal difficulty to unlock extra scenarios at the end. Being defeated in the EX stages will result in an automatic game over.
Effect - Code
Kabuto 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
Secret Characters
Perform these tasks to unlock a new character or a variation of an existing one:
Acarinaworm Amber
Finish 2 player story mode using Kamen Rider Drake without a partner
Aracneworm Flavus
Finish 2 player story mode using Aracneworm Rubor without a partner
Aracneworm Nigrita
Finish 2 player story mode using Aracneworm Flavus without a partner
Kamen Rider Caucasus
Complete the Worm story route in 1P mode
Kamen Rider Hercus
Complete the Kabuto story route in 1P mode
Kamen Rider Ketaros
Complete the Rider story route in 1P mode
Kamen Rider Kick Hopper
Finish 2 player story mode using Kamen Rider TheBee (Yaguruma) without a partner
Kamen Rider Punch Hopper
Finish 2 player story mode using Kamen Rider TheBee (Kageyama) without a partner or collect 30 Tropical Ramen in survival mode
Kamen Rider TheBee (Kagami)
Finish 2 player story mode using Aracneworm Nigrita without a partner
Kamen Rider TheBee (Kageyama)
Finish 2 player story mode using Kamen Rider Kabuto on "High" difficulty without a partner
Scorpioworm
Finish 2 player story mode using Kamen Rider Sasword without a partner
Tarantesworm Purpura
Finish 2 player story mode using Kamen Rider Gatack without a partner
Ucaworm
Complete 2 player survival mode (100%) with 5 different characters or collect 50 Tropical Ramen in Survival mode
Verberworm Rota
Finish 2 player story mode using Verberworm without a partner
ZECT Trooper Shadow status
Finish 2 player story mode using the standard Zect Trooper on "Very Easy" without a partner
Unlockable Characters
Enter these buttons at the main menu screen. The character unlocked will speak to confirm the code
Code - Effect
Square, Circle, Triangle, Right, Down, Up, X, Square - Unlock Kamen Rider Dark Kabuto
Triangle, Left, Circle, Circle, Down, Up, Square, X - Unlock Kamen Rider Hyper Gatack
X, Up, Triangle, Square, X, Triangle, Square, Down - Unlock Kamen Rider Hyper Kabuto