RPGM Cuckoo Mask

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Version: v0.1.8.2 Developer: Hyanmaru Games ·

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Kickstarter ·

Twitter Updated: 2026-04-23

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About this game

Cuckoo Mask is a 2DCG kinetic novel about a missed last train, a strange masked party, and a girl who looks exactly like the MC's girlfriend. Everyone wears a mask. Everyone is horny. The owner is invisible. The game runs netorare, cheating, cuckold and group-play content through that single party night. The dev is upfront: "This is a game where the main character gets bullied in a fun and sexy way." A self-aware, relatively friendly cuckold game that knows the kink it is selling and refuses to feel bad about it.

Changelog

vV0.1.7.2

- Added Gloryhole System. Should be full implemented. - a nun will appear after you used the gloryhole 30+ times to give you a reward. Right now nothing actually happens, in future updates maybe something more important will happen - Fixed some bugs that displayed the wrong skin color of the bull + fixed some scenes that won't show mc and serena kissing - fixed a bug that prevented you to have an important evidence - dodecahedron pixel sprites done and fixed a bug where you could still interact with it after it disappear - Lion had a bug where his "serious" sprite animation mixed up with "embarassed" animations, making him very weird - added new scenes for: Lion, Zebra, Hyena, Bear, Baboon, Tiger. As for male x Serena scenes, only Deer is missing in this part of the ending.

v0.1.6

True Ending Part 1 story is DONE. (The latest story parts haven’t been tested yet.) Now you can find gifts to give to other characters in exploration mode. These gifts will allow you to have sex with them (girls) or have Serena have sex with them (boys). Scenes completed so far: Rabbit, Hyena. Added Gallery mode! Right now, it doesn’t include ALL the scenes, but I’ll work on it. You can ask Serena to have sex with you to lower her Horny level, and this will be presented as a mini-game. If you finish before her, it will increase her frustration, and the higher her Horny level, the easier it is for her to get tired of you mid-sex and go with someone else. Very fun! It seems like a small update since it took 2 months, but it was a lot of work, ESPECIALLY translating all of Part 1 True Ending’s story and implementing it. Right now, I’ve already sent all the scenes to be written with the main bulls in exploration mode to the writer, while the assistant artist is working on my sketches for ALL the scenes of Cat Mask and Fennec Mask. Basically, here’s what’s left to fully complete PART 1: Request blowjob Serena Cat Mask request sex scene: (✏ Drawing: working on it) (Writing: waiting for CGs) Fennec Mask request sex scene: (✏ Drawing: working on it) (Writing: waiting for CGs) Tiger, Bear, Lion, Zebra, Baboon, Deer request sex scenes: (✏Drawing: done) (Writing: working on it) Gloryhole system: Still working on the concept level, but it’s something I’ll handle personally. If everything goes well, Part 1 will be fully completed within a month and a half

v0.3

Now you can enjoy both Fox and Rabbit mask route.

v0.15

Full Fox Masked Route

v0.1

Added new scene with Fox Mask, containing rimjob, anal sex and spitroast Added Music! Added better NPC dialogues in the last hour (There's also a dialogue from a backer of Kickstarter)

Installation

1. Extract and run.