Trials of interspecies Sisters~Erotic exchange with Humans~ PC Game Download

Trials of interspecies Sisters~Erotic exchange with Humans~

Trials of interspecies Sisters~Erotic exchange with Humans~ is a PC game that was developed by 瀧壺チャンネル and published by 072 Project. It was released on August 15, 2025, for Windows on the Steam store. The game is listed as an RPG and uses 2D anime-style visuals for its scenes. It is rated for mature players because of its adult and intimate content. The game supports English, Japanese, and Chinese text for players from different regions.

Trials of interspecies Sisters~Erotic exchange with Humans~ Story / Plot

In this game, the story follows a time after a long war between humans and the Nonhuman Alliance. The conflict has left tension between the two groups, and leaders decide to send nonhuman nuns into human towns to share culture and build relations. The main characters include Erika and others who travel to human areas for this mission. As the story goes on, these characters meet humans and spend time with them in scenes that show adult interactions.

Trials of interspecies Sisters~Erotic exchange with Humans~ Gameplay

The gameplay in this title is like a visual novel with role-playing aspects. Players read what characters say and see images that show the person speaking or acting. You use a mouse to click and move from one scene of dialogue to the next. The game does not use complex combat or action controls. It is mainly about reading text, seeing pictures, and watching animated moments. The user interface is simple and focused on the visual and text parts of the game.

Trials of interspecies Sisters~Erotic exchange with Humans~ Features

The game has 2D illustrations and animated Live2D scenes. There are intimate scenes between characters that are part of the adult story. The title includes voice support in Japanese and text options for players who want English or Chinese language support. The developers added options for how players view scenes, such as a recall mode or turning off motion to see still images. This game is played alone and stays on Windows PCs. It focuses on its narrative content and character interactions.

  • OS: Windows 7/8/8.1/10/11
  • Processor: 2+ GHz Processor
  • Memory: 4 GB RAM
  • Graphics: OpenGL ES 2.0 hardware driver support required for WebGL acceleration. (AMD Catalyst 10.9, nVidia 358.50)
  • Storage: 4 GB available space

Gameplay Screenshots

NameTrials of interspecies Sisters~Erotic exchange with Humans~
Developer瀧壺チャンネル
File Size1.82 GB
CategoryAdult
Minimum System Requirements
CPUIntel Core2 Duo or better
RAM4 GB
GraphicsDirectX 9/OpenGL 4.1 capable GPU
Free Disk Space3 GB
Operating SystemWindows 10 / 11 / 7 / 8
User Rating
Average: 5 (1 votes)

How to Download and Install Trials of interspecies Sisters~Erotic exchange with Humans~ PC Game?

We have simple instructions for you to download and install the PC game. Before following the steps, Ensure your PC meets the minimum system requirements for Playing the game on your PC.

  • First, click on the DOWNLOAD button and you will be redirected to the final Download page. Then, Download the Game on your PC.
  • Once you have downloaded the Trials of interspecies Sisters~Erotic exchange with Humans~ PC Game, Open the folder where you saved the Game.
  • Then Right-click on the Zip file and click on the "Extract files" option from the dropdown menu. If your computer does not have a Zip file extract software installed, you must first install it. (such as WinRAR, 7Zip software)
  • After Extracting the Zip file, Open the Trials of interspecies Sisters~Erotic exchange with Humans~ PC Game folder.
  • Then, double-click on the Setup.exe file to Install the Game.
  • If asked to allow the program to make changes to your device, click Yes to continue.
  • After the installation, if you get any missing ".dll" errors or the Game is not launching, open the Readme.txt file located in the game folder and follow the instructions shown in the document file to play the game.

Done!. Now, you can launch the game from your desktop.

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