Games like Boy Next Door
Games like Boy Next Door include Plug & Play, Wet Girl, Lost, My Cute Fuhrer, and Sixtieth Kilometer. We matched them by the tags players give Boy Next Door on Steam (Nudity, Indie, Casual, Adventure, and LGBTQ+): closest matches first, and among equally close ones the better-known games.

Plug & Play
Shared: Indie · Casual · Nudity

Wet Girl
Shared: Nudity · Casual · Indie

Lost
Shared: Nudity · Casual · Indie

My Cute Fuhrer
Shared: Indie · Casual · Adventure

Sixtieth Kilometer
Shared: Indie · Casual · Adventure

Running Through Russia
Shared: Indie · Casual · Adventure

Aventura Copilului Albastru și Urât
Shared: Nudity · Adventure · LGBTQ+

Dialtown: Phone Dating Sim
Shared: Indie · Casual · LGBTQ+

NALOGI
Shared: Nudity · Casual · Indie

人间 The Lost We Lost
Shared: Nudity · Indie · Casual

A Summer's End - Hong Kong 1986
Shared: Indie · Casual · LGBTQ+

Florence
Shared: Indie · Casual · Adventure

Streamer Life Simulator
Shared: Casual · Nudity · Indie

Epiphyllum in Love
Shared: Indie · Casual · Adventure

If Found...
Shared: Indie · Casual · LGBTQ+

Notes of Soul
Shared: Nudity · Adventure · Indie

Lagoon Lounge : The Poisonous Fountain
Shared: Nudity · Indie · LGBTQ+

千面 Melancholy Love
Shared: Indie · Casual · LGBTQ+

West Sweety
Shared: Nudity · Casual · Indie

Crimson Imprint plus -Nonexistent Christmas-
Shared: Indie · Nudity · Casual

Shan Gui (山桂)
Shared: Indie · Casual · Nudity

[Chillas Art] The Convenience Store
Shared: Indie · Adventure · Casual

Hentai Vs Furries
Shared: Nudity · Adventure · Casual

DISTRAINT: Deluxe Edition
Shared: Indie · Psychological Horror · Adventure