Released on November 25, 2005, (おっぱいスライダー２) is a Japanese 3D sex simulation game developed by Illusion . The title refers to two core elements of the game:

Modern players often use community-made tools to ensure the game runs on Windows 10 and 11, as it was originally built for Windows XP/2000. Guía de OPPAI SLIDER 2 en Español | PDF - Scribd

A classic domestic scenario involving a master-and-maid relationship.

While primarily focused on Koyori, the game allows for detailed adjustments to her facial expressions, head rotation, and eye movement. The English Version: What to Know

Whether you are a longtime fan of adult simulation games or just curious about the history of the legendary developer , you’ve likely come across the title Oppai Slider 2 . This 2005 cult classic remains a notable entry in the eroge genre for its unique mechanics and 3D character interaction.

The Japanese term for breasts, highlighting the game's focus on character customization.

Refers to the innovative (at the time) use of sliders that allow players to modify the female character's clothing and physical attributes in real-time. Core Gameplay and Scenarios

Oppai Slider 2 was originally a . There was never an "official" English version released by Illusion. However, the community has kept the game alive through:

Successful encounters unlock new positions and animations, which are saved to an "H Memory" list for future viewing in a posing or free-play mode.