Developer: Flappy Fish
Publisher: Flappy Fish
Release date: Dec/25/2024
Version: Final
Language: Japanese, Chinese (Official)
Censored: Yes (Mosaics)


About This Game
This is a side-scrolling pixel platformer game made with Unity.

Story synopsis: A thief cat has fallen behind on this month's rent. Unluckily, the landlord comes to collect. She wants to find some job assignments, but there are no tasks on the job board… A mysterious woman passing by offers her a high-paying commission. Is there a treasure worth 10 million dollars hidden in the deserted ancient city…? Without even thinking, our protagonist embarks on a journey to the mysterious castle…

There are various enemies (and traps) The protagonist doesn't have an absolute effective means, and can only use different strategies against different enemies.

This game supports keyboard, mouse, and Xbox controller. Other controllers can also be used, but they are not adapted.

16 different enemies (including 2 boss battles)
High frame rate pixel animation, reaching over 1500+
All scenarios include both erotic and innocent variations
Features include nursing, monster girls, tentacles, machinery, and yuri elements

Detailed Monster Compendium
Hidden Worlds ~Hidden in the Castle of Desire~ [Flappy Fish]
Besides the exquisite art, we also give significant consideration to gameplay. In order to make the game more interesting, we have designed exclusive behaviors for each enemy. Therefore, the strategies are different for each one.

Humanized Difficulty Settings
Hidden Worlds ~Hidden in the Castle of Desire~ [Flappy Fish]
Three different levels of difficulty are available for selection. Whether you want a challenge, or a quick pass (or perhaps you're up to some mischief~?), the choice is yours!