Please me find the r18 game. I don't remember the name of the game but the game have some of these features: -the game should be in pixel style. -the game is a 2d game. -player can modify the kind of monsters, its outlook and its attack way. -player

The game you are describing sounds like it could be "Nekopara: Catboy's Paradise" or games in the similar genre often found on platforms like Steam or itch.io. However, your description matches more closely with games that have elements of monster taming and character customization, which can often be found in the adult gaming genre. One potential title that has overlapping features is **"Monster Girl Quest"** series or perhaps **"RPG Maker"** games that focus on customization, but these may not include every element you've mentioned about tentacles and damage visualization. Another possibility is **"Magical Girl Madoka"** or custom RPG Maker games created by specific developers that fit more within what you’ve described regarding character modifications and visual damage effects. If you're specifically looking for a game with a heavy focus on the combination of customization of monster designs and robot designs along with explicit adult themes, you might want to explore sites that curate adult indie games like **Nutaku**, **DLsite**, or **F95Zone**. If none of these suggestions match what you're looking for, I recommend checking forums or communities devoted to adult games, as they might have more niche titles that fit your criteria.