If you're looking for text-based or narrative games similar to the themes found in (specifically focused on NTR, cuckoldry, and relationship tension), there are several interactive fiction titles and visual novels available on platforms like itch.io and Patreon . Recommended Text-Based & Narrative Games MWT - My Wife Temptation
NTRMAN’s library is characterized by its visual consistency and relatively short playtimes compared to larger RPG-style adult games. NTRMAN | Creating Short NSFW Games and Illustrations game like ntrman
While Lesson in Love is technically a different genre (dating sim / sandbox), the authorial voice is very similar to NTRman. It is a psychological horror game disguised as a romance. If you're looking for text-based or narrative games
NTRMAN subverts this through what can be termed It is a psychological horror game disguised as a romance
Spelunky is a roguelike platformer that shares NTRMan's focus on exploration and permadeath. This charming game features procedurally generated levels, a variety of items and upgrades, and a quirky sense of humor that's hard to resist. With its addictive gameplay and high replay value, Spelunky is an excellent choice for fans of NTRMan.