Sounds like you haven't visited
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before which some of those games you like are originally from. There are a crazy amount of gender bender games there. I recommend using the filter options for breast enlargement, bimbofication and feminization.
I'll list a few standouts by game engines:
RPG Maker
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- One of my absolute favorites, play as a young man who gets sucked into a girls only, magical girl camp while hiding his identity to save his life. Progressive physical and mental transformations as the story progresses with cool characters and an interesting world. Has some CGs but mostly text descriptions. If you need help, there's a wiki.
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- Similar to Magical Camp, about a beta tester trying out the newest VARG game. End up the hero of the spirit of mother earth who has a penchant of transforming the player female. Lots of progressive transformations and transformations of other characters. Mostly text, but some CGs as well.
HTML
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- A game about survival and extreme feminization. Start as an impressed sailor forced to serve a pirate crew as the "cabin girl". Has a starting high difficulty scale to get used to mechanics but once understood can be pretty fun. Uses a slot machine mechanic for sex actions. Uses a dynamic visualizer to display the characters ever changing state. Can get pretty far along to looking like a bimbo pirate queen. Unforunatly this game was abandoned.
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- A fairly popular game about a young student getting coerced into MtF by their teacher. Player is steadily tasked with increasingly feminizing and sissifying actions and escalating events. Uses real photos and a visualizer.
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- An interesting game with its own full sized pixel art style. Player is forced to become a "SiSSy" secretary in order to keep his job. Player is steadily transformed including physical transformations. Has a number of fetishes including hypnosis. Has a few routes the player can go down.
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- A game where the player is immediately feminized and aims/coerced to become an "ideal" girl. Has a kitchen sink worth of fetishes and a long line of events to explore. May need a wiki to navigate some story trees. Has a number of CGs.
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- A game set in a near future about a young man house sitting and getting unwittingly forced into women's clothes by a "eWardrobe". Queue identity hiding and navigation of life in the town. Plenty of routes and paths and interesting characters. Has some 3D character renderings.
Renpy
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- A game about the player joining an internship at a tropical resort. Gets immediately MtF with progressive physical changes as the player makes choices/gives into their desires. A work in progress, but has some great content. Entirely 3D graphics from Honey Select models.
QSP
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- An open world game which is a simplified version of Eto. Player is a cursed by a gypsy and reincarnated into a younger body. Events will gradually feminize player and the curse will provide physical transformations. Mostly text, but has photos for visualizations.
Inform
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- The kitchen sink of all MtF fetishes. Play as a male or female character stuck in a dungeon that does everything in its power to transform the player. Tons of fetishes and toggles to disable stuff you don't like. Has a body visualizer but is mainly a text game.
