Call of Nature is a Ren'Py adult game by Hyperbolic Flower, using animated 3D CG artwork. You play a young man from the mountains who moves to a city, joins a loving family, and attends an academy full of temptation and danger. The story follows his choice between being drawn into lustful pleasures or keeping his principles and seeking true love. It includes themes of cheating, combat, and humiliation.
The current release is v0.10.0, dated October 14, 2026, and development remains ongoing. It runs on Windows, Linux, and Mac in English, with no censorship. The latest changelog describes a Special 1 update adding six adult scenes, 137 video files, 448 images, and six audio files. Earlier Chapter 2 parts expanded the game with new scenes, videos, images, and audio, while v0.7 removed the path system and included a save containing content through the end of v0.6.
Developer's description
You play as a young man who has just arrived in the city from the mountains where he has lived all his life. In his new home he will meet a loving family while he studies at the academy, a place full of temptations and dangers.
Soon the city will corrupt him with its lustful pleasures or he will remain faithful to his principles and find true love. It's up to you.
Special 1 - 0.10.0
6 sex scenes
137 video files
448 images
6 audio files
Chapter 2 - Part 4 - 0.9.1
For the stats menu. It would not fix previous saves made during Chapter 2 Part 4. But if you play the episode again you will not have the same problem.
Chapter 2 - Part 4 - 0.9
6 new sex scenes
125 new videos
759 new images
11 new audio files
Chapter 2 - Part 3 - v0.8.1
5 new sex scenes
82 new videos
536 new images
9 new audio files
Chapter 2 - Part 2 - v0.7
I included some of the changes mention in my last status update, but some will include later. I did took out the path system, I also included a save with all the content done untill the end of 0.6 with the new changes. Later on, I'll include a system to change the main character name.
I sincerely hope you enjoy it.
Chapter 2 - Part 1 - v0.6
53 videos
317 images
6 audio files
Chapter 1 - Part 4 - v0.5
3 sex scenes
318 images
75 videos
18 audios
Chapter 1 - Part 3 - v0.4
2 sex scenes
454 images
33 video files
17 audio files
v0.3
3 sex scenes
270 images
52 video files
16 audio files
v0.2
1 sex scenes
283 images
20 video files
13 audio files
v0.1 (Inititial release)
2 sex scenes
411 images
26 video files
31 audio files
Player reviews
Player rating5.0 / 5 · 11 ratings
Written reviews11 · avg 3.9★
Positive (4–5★)64%
Latest review2026-03-08
What players say
Most reviewers rate it highly, while a few criticize weak story and character motivation.
5★7
4★0
3★2
2★0
1★2
Players like
Hot scenes, animations, and attractive character models
Story setup and morality choices engage some players
Good music and sound effects
Simple gameplay with a helpful walkthrough
Common complaints
Generic story that fails to feel mysterious
Uninteresting characters and weak protagonist motivation
Best for players who like Koikatsu-style visuals, hot scenes, and simple choices
Summarised from 11 written player reviews.
ImSenjou2026-03-08★★★★★
It’s difficult to judge this game. In some ways it’s good, in others it’s very bad. For now, it feels like the real bet is whether it will improve in the future. The MC is pathetic, yet he still gets…
Thunderlord17382026-02-25★★★★★
Great scenes and models. Its not the next great novel but I like a good nukige so I don't dock any points. At this point having not played other builds or anything the game seems promising. Can't wait to join…
*TheFisherMan*2026-02-25★★★★★
Hey great job with this one dev! I really like the protag, the scenes are pretty hot, i like the fetishes, i like the setting, and i like the girls! i thought this was going to be a generic koikatsu…
★★★★★(11)
