Games like Operation Save the Girl: Code X
Games like Operation Save the Girl: Code X include Summer Memories, Lost, To Be or Not to Be, West Sweety, and Dream Date. We matched them by the tags players give Operation Save the Girl: Code X on Steam (Nudity, Sexual Content, Outbreak Sim, Hentai, and Indie): closest matches first, and among equally close ones the better-known games.

Summer Memories
Shared: Nudity · Sexual Content · Hentai

Lost
Shared: Nudity · Sexual Content · Indie

To Be or Not to Be
Shared: Nudity · Sexual Content · Hentai

West Sweety
Shared: Nudity · Sexual Content · Hentai

Dream Date
Shared: Nudity · Sexual Content · Hentai

Yokai's Secret
Shared: Nudity · Sexual Content · Indie

LEWDAPOCALYPSE Hentai Evil
Shared: Nudity · Sexual Content · Hentai

Your Mom
Shared: Nudity · Sexual Content · Hentai

Seek Girl:Fog Ⅰ
Shared: Nudity · Sexual Content · Hentai

Seek Girl Ⅲ
Shared: Nudity · Sexual Content · Hentai

Bloody Spell
Shared: Nudity · Sexual Content · RPG

The Killing Antidote
Shared: Sexual Content · Female Protagonist · Shooter