裏カノコレクション is a simulation game developed by マリネアップス for Android devices. In this game, players are presented with the challenges and dilemmas faced by secret lovers. The game offers a variety of scenarios, including being too devoted, wanting to lose weight, fearing infidelity, and wanting to do something special for their boyfriend.

The gameplay involves observing the player's past girlfriend and tapping to transform into their secret lover. Players must carefully read the provided text and tap on the appropriate choices to uncover the reasons behind the transformation. Correct answers reveal the shocking truth behind the drastic change.

裏カノコレクション is a free-to-play game that falls under the simulation category. It offers an intriguing and immersive experience for players who enjoy uncovering secrets and making choices that affect the story.