It's a trivia game. The story is that you are invited to a quiz at Lexi's house. Lexi is a cute girl who is the host of the game. It is similar to those "vibe" or "hangout" Roblox games where it looks suggestive but...
SPOILER WARNING BELOW
...the NSFW is not fully shown! the premise of the game is she loses a piece of clothing when you guess right but it NEVER shows her fully nude. at the part where it seems like she's about to lose all clothes it cuts off and it all ends!