
You will control your own sperm in an exciting survival competition inside Ayane’s body, breaking through Antis and collecting DNA to upgrade yourself. Get ready to enter Ayane’s world and embark on a journey of life evolution that biology textbooks never taught you!
Modeled estimate, not a reported figure. How we estimate →
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About

The heroine of this story, Ayane is an alien girl from "The Pregnancy Planet".
She crashes into the protagonist's laboratory along with her space capsule.
Learning that Ayane's purpose is to come to Earth for mating and reproduction,
the protagonist wholeheartedly offers his assistance.



Players must control the protagonist's sperm to navigate Ayane's body and dodge Antis.
Collect Ayane's DNA to strengthen the sperm,
break through her ovum, and successfully impregnate her.
Do you want to prove that you’re the ultimate stud in the universe? In the Ranking system, players are scored based on Conception Time, DNA collected, Sperm Upgrades, and Times Died. Push your limits and show that you are the man most suited to make Ayane pregnant!

No more talk! First cum inside, then enter! the challenge.
Meet the conditions to unlock new positions for Ayane!

Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English, Japanese, Simplified Chinese, Traditional Chinese
Engagement
Hours played at review time, across 40 reviews with recorded playtime.
Reviews
Themes across 40 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
positive critical· bar length = how often the theme comes up
Reviews
[h1]Concise Game Review: wAyane:The Pregnancy Planet(妊星少女綾音)— A Roguelite Journey Through Alien Biology and Survival Evolution[/h1] [i](Scroll down for the detailed verdict)[/i] [table] [tr] [th][b]🎮 Game Value[/b][/th] [td] ✅ [b]Strongly recommended for players who enjoy unconventional sci-fi setups, impregnation mechanics, and roguelite progression systems.[/b] A niche indie title from SiGMAGURO that emphasizes gameplay evolution and survival mechanics, using its unique premise as the core driver.[/td] [/tr] [tr] [td][b]👤 Protagonist[/b][/td] [td]Scientist (Player embodies sperm unit during gameplay)[/td] [/tr] [tr] [td][b]🧬 Genre[/b][/td] [td]Action / Roguelite / Adult(R18) / Sci-Fi / Body-Invasion / H-ACT[/td] [/tr] [tr] [td][b]🔞 Adult Content[/b][/td] [td] ■ [b]Core Themes[/b] ● Impregnation(妊娠/孕ませ) ● Sci-Fi Reproduction(SF生殖) ● Internal Exploration(体内侵入) ● Evolution(進化) ● Survival(生存) ■ [b]Sexual Content[/b] ● Nudity(全裸) ● Vaginal(膣) ● Animated Scenes(アニメーションH) ● Multiple Positions(体位差分) ● Internal Visualization(断面・体内描写) ● Fertilization(受精描写) ■ [b]Fetishes & Extras[/b] ● Alien Girl(異種族) ● Big Breasts(巨乳) ● Pregnancy(妊娠) ● Microscopic Perspective(微視点) ● Pixel Art Presentation(ピクセル表現) ● Expressionless Heroine(無表情) ※ Note: Adult content is present but remains secondary to gameplay progression and core mechanics. [/td] [/tr] [tr] [td][b]🔓 Censorship[/b][/td] [td]None; fully uncensored.[/td] [/tr] [tr] [td][b]⏱️ Game Length[/b][/td] [td]~2–6 hours depending on skill level, retries, and completion goals.[/td] [/tr] [tr] [td][b]⚔️ Challenge[/b][/td] [td]]Front-loaded difficulty with frequent retries; progression becomes smoother after upgrades.[/td] [/tr] [tr] [td][b]🎨 Illustration[/b][/td] [td]Hybrid visual style: pixel-art gameplay paired with clean 2D H-illustrations. Character design is solid, but scene variety is limited, with most H-content relying on simple looped animations rather than diverse CGs.[/td] [/tr] [tr] [td][b]🎵 Music & Sound[/b][/td] [td]Includes background music, voice elements, and animated sequences; overall functional presentation.[/td] [/tr] [tr] [td][b]🔁 Replay Value[/b][/td] [td] Ranking system, upgrade paths, and unlockable scenes encourage repeated runs, though the structure becomes repetitive over time. [/td] [/tr] [/table] [h1]📝 Review, Gameplay & Verdict[/h1] [table] [tr] [th]📖 Story[/th] [/tr] [tr] [td] Ayane, an alien girl from a planet where reproduction is essential, crash-lands into a scientist’s lab. Upon learning her goal, mating and reproduction, the protagonist immediately decides to assist. The narrative mainly serves as a framework. While it introduces a sci-fi premise and occasional environmental storytelling (such as biological anomalies inside her body), it remains secondary to gameplay. This is a concept-driven experience rather than a story-driven one. [/td] [/tr] [/table] [table] [tr] [th]🎮 Gameplay[/th] [/tr] [tr] [td] ① [b]Roguelite Survival Loop[/b] You control a sperm navigating hostile biological environments, avoiding antibodies while collecting DNA to grow stronger and reach the ovum. The gameplay loop follows a structure similar to Vampire Survivors, where you continuously gather resources, upgrade your abilities, survive longer, and gradually push deeper into each stage. ② [b]Progression System[/b] Early stages are restrictive, with slow movement and low survivability. As upgrades accumulate, including speed, absorption range, and durability, gameplay becomes more fluid and aggressive. ③ [b]Stage Design & Friction[/b] Progression can feel uneven. Certain stages introduce punishing mechanics such as damage zones and forced resets, and death may remove accumulated momentum, requiring repeated farming to progress. ④ [b]Ranking System[/b] Performance is evaluated based on completion time, DNA collected, upgrades obtained, and number of deaths. This system adds a competitive layer and encourages replay beyond simple completion. [/td] [/tr] [/table] [table] [tr] [th]💖 Characters[/th] [/tr] [tr] [td] • Ayane — Alien heroine with a clean and appealing design; remains mostly passive within gameplay, serving primarily as a visual and thematic element. Character focus is limited, with the game prioritizing concept and mechanics over character development. [/td] [/tr] [/table] [table] [tr] [th]🏆 [b]VERDICT[/b][/th] [/tr] [tr] [td] I really liked the concept and originality of this title. Controlling a sperm inside an alien body in a roguelite structure is unusual, but it works better than expected. The gameplay is simple, but it quickly becomes addictive. The loop of collecting DNA, upgrading, and pushing deeper feels similar to Vampire Survivors, and the progression from weak to efficient is satisfying. At the same time, the experience is not always smooth. Some stages introduce harsh resets and require repeated farming, which can slow down the pacing and reduce the overall flow. Overall, this is a small but memorable title. It feels more like a gameplay experiment with a strong idea behind it. If you enjoy simple but addictive roguelite loops and unique concepts, it is easy to recommend. Otherwise, repetition and progression friction may limit its appeal. [/td] [/tr] [/table] [table] [tr] [th]👍 [b]Pros[/b][/th] [/tr] [tr] [td] ▲ Highly original concept with a rare gameplay premise ▲ Addictive progression loop inspired by survivors-style design ▲ Clear sense of growth from weak to efficient builds ▲ Ranking system encourages optimization and repeated runs ▲ Clean mix of pixel-art gameplay and 2D H-illustrations [/td] [/tr] [/table] [table] [tr] [th]👎 [b]Cons[/b][/th] [/tr] [tr] [td] ▼ Repetitive gameplay structure across multiple runs ▼ Slow and restrictive early progression ▼ Harsh reset mechanics reduce momentum ▼ Limited variety in H-scenes and unlock conditions ▼ Controls feel heavy, especially during precise movement [/td] [/tr] [/table] [code] [b][h2]Enjoyed the review? An upvote or award really helps![/h2] For further insights, join my [url=https://steamcommunity.com/groups/EdenGenesis]Steam group[/url], follow my [url=https://steamcommunity.com/groups/EdenGenesis/curation]curator page[/url], or connect with me on [url=https://x.com/EdenGenesisSC]X[/url].[/b] [/code]
以黃油來說,澀澀的部分非常不實用。 甚至可以說是可有可無。 遊戲性的部分剛開始玩30分鐘還算有趣, 屬於農數值、升級技能推進關卡的類型。 但關卡設計非常不友善, 基本上一定要一直靠死亡次數才能把數值堆上去。 ----------------------------------------- 如果你是抱持著我想要澀澀的心情這款可以直接跳過了, 如果是想要速通讓女主懷孕算是還能一玩的程度, 但超過30分鐘之後就會非常乏味。 總之算是一款有潛力但是止步於農數值推關卡的遊戲。 個人評分4/10 (沒錯我就是抱持著享澀澀的心情來的)
[後半に日本語レビューあり] [h1]SF Body-Invasion Roguelite H-ACT[/h1] An H-ACT set in an SF scenario where you invade the body of an alien heroine — crash-landed on Earth from a planet where all males are extinct — playing as a sperm cell. Dodge antibodies (Antis), collect DNA, select skill upgrades, and drive toward fertilization. This game concept arguably holds a niche position with few parallels worldwide. The core loop centers on a Vampire Survivors-style DNA collection → skill selection cycle. The transformation from a fragile early-game sperm into a capable organism through accumulated upgrades is genuinely satisfying. The four-chapter structure is supplemented by a "Global NTR Ranking" score competition that bolsters replay value. H-scenes are delivered in a simple animation format, unlocking through stage-specific conditions. Some overall roughness, a degree of sluggishness in controls, and the repetitive structure are worth noting — but for players who find this scenario compelling, it arguably delivers enough at its price point. HHF-chan's comment: "The idea of invading an alien body as a sperm — where did that even come from?! It's so niche it's actually hilarious!" [h1]SF体内侵略×ローグライクH-ACT[/h1] 雄が絶滅した星から地球に降り立った宇宙人ヒロインの体内を精子として攻略する、SFシチュエーション×H-ACTだ。抗体(Anti)を回避しながらDNAを収集し、スキルを選択強化して受精を目指す。このゲームコンセプトは世界的にも類例を見ないニッチさを持つといえるだろう。 ゲームループは『ヴァンパイア・サバイバー』的なDNA収集→スキル選択サイクルが核となる。序盤は非常に脆弱な精子が、アップグレードを積み重ねることで段階的に戦力化していく弱→強の変貌が楽しい。4章構成で、「グローバルNTRランキング」によるスコア競争がリプレイ性を補強する。Hシーンは簡易アニメーション形式で、章ごとの条件クリアで解放されていく。 全体的な荒さ、操作感のやや鈍重さと繰り返し構造は気になるところだが、このシチュエーションに刺さるプレイヤーなら、低価格帯で十分楽しめると言えるだろう。 日本語テキスト有藻無。 HHFちゃんコメント: 「宇宙人の体内を精子で攻略するという発想、どこから来たんだヨー!ニッチすぎて逆にウケるワー!」 [quote][b]Check out our Steam curator ([url=store.steampowered.com/curator/36364102-Horny-Hentai-Festival/]link[/url]) , YouTube channel ([url=www.youtube.com/curatorhhf/]link[/url]), and X(Twitter) ([url=x.com/hhfcurator]link[/url])![/b][/quote]
the game isn't focused on p0rn. but more on gameplay. You play a spermatozoid that needs to find its way to the egg. But it's not a normal woman, but an alien. and her organism is much more hostile to sperm, than normal woman one. hopefully you're a scientist, and you can upgrade your semen while grabbing stuff into the vagina to make it more resistent the game is uncensored, the scenes are animated, and pretty well made. at first the game difficulty may seem harsh. but there's a trick to easily reach the egg. here's what to do. [spoiler]at the beginning don't try to reach the egg. just upgrade the skills to the max. Then head to the egg. and the run will become a breeze[/spoiler]
This not a race this a battlefield and i don't remember that. !!! ⣞⢽⢪⢣⢣⢣⢫⡺⡵⣝⡮⣗⢷⢽⢽⢽⣮⡷⡽⣜⣜⢮⢺⣜⢷⢽⢝⡽⣝ ⠸⡸⠜⠕⠕⠁⢁⢇⢏⢽⢺⣪⡳⡝⣎⣏⢯⢞⡿⣟⣷⣳⢯⡷⣽⢽⢯⣳⣫⠇ ⠀⠀⢀⢀⢄⢬⢪⡪⡎⣆⡈⠚⠜⠕⠇⠗⠝⢕⢯⢫⣞⣯⣿⣻⡽⣏⢗⣗⠏⠀ ⠀⠪⡪⡪⣪⢪⢺⢸⢢⢓⢆⢤⢀⠀⠀⠀⠀⠈⢊⢞⡾⣿⡯⣏⢮⠷⠁⠀⠀ ⠀⠀⠀⠈⠊⠆⡃⠕⢕⢇⢇⢇⢇⢇⢏⢎⢎⢆⢄⠀⢑⣽⣿⢝⠲⠉⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⡿⠂⠠⠀⡇⢇⠕⢈⣀⠀⠁⠡⠣⡣⡫⣂⣿⠯⢪⠰⠂⠀⠀⠀⠀ ⠀⠀⠀⠀⡦⡙⡂⢀⢤⢣⠣⡈⣾⡃⠠⠄⠀⡄⢱⣌⣶⢏⢊⠂⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⢝⡲⣜⡮⡏⢎⢌⢂⠙⠢⠐⢀⢘⢵⣽⣿⡿⠁⠁⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠨⣺⡺⡕⡕⡱⡑⡆⡕⡅⡕⡜⡼⢽⡻⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⣼⣳⣫⣾⣵⣗⡵⡱⡡⢣⢑⢕⢜⢕⡝⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⣴⣿⣾⣿⣿⣿⡿⡽⡑⢌⠪⡢⡣⣣⡟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⡟⡾⣿⢿⢿⢵⣽⣾⣼⣘⢸⢸⣞⡟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠁⠇⠡⠩⡫⢿⣝⡻⡮⣒⢽⠋⠀⠀
玩了几百部黄油 这是我玩过最傻逼的游戏 纯纯脑瘫作者 究极坐牢模拟器 喜欢玩的人我只能说是这辈子没玩过别的游戏 还有评论区刷好评的 刷一次你们老冯死一次 序章打了一个半小时 死了不继承加点 继承大招被动加成几乎零作用 问题是随着死亡次数增加 怪也会加强纯死妈设计 第一章开始只要一个失误死了 直接从头开始打 我直接就是拿着这个辐射卵子塞进作者亲妈的逼里三千六百度旋转
Ayane: The Pregnancy Planet is a highly unconventional indie title that commits fully to its provocative concept, blending science fiction imagery with adult-themed progression in a way that is unmistakably niche. Developed by SiGMAGURO and published by LewdLoco, the game does not attempt to disguise or downplay its central premise; instead, it builds its entire structure around it. This makes for an experience that feels focused, if not polarizing, as it prioritizes thematic identity over broad accessibility or mechanical ambition. The gameplay itself is relatively straightforward, structured around exploration and gradual progression within a stylized alien environment. Players guide Ayane through a series of stages that emphasize transformation and development, with mechanics that lean toward simplicity rather than complexity. Movement, interaction, and incremental upgrades form the backbone of the experience, creating a loop that is easy to understand and quick to engage with. While there are moments that require timing or awareness, the overall challenge level remains modest, placing greater emphasis on steady advancement than on skill-intensive gameplay. This approach makes the game accessible, though it also means that its depth is somewhat limited when viewed purely from a mechanical standpoint. What defines the experience more than anything else is its thematic direction. The game’s identity is built entirely around its adult-oriented concept, using its sci-fi setting as a framework to explore exaggerated biological ideas in a surreal and often explicit way. There is little separation between gameplay and theme—every system, visual, and progression element feeds directly into that central idea. For players who are specifically interested in this type of content, the game’s commitment can feel cohesive and intentional. For others, the intensity and singular focus may be overwhelming, as there is no alternative layer of storytelling or gameplay to balance it out. It is a game that knows exactly what it is, and it does not attempt to be anything else. Visually, Ayane: The Pregnancy Planet leans into a vibrant, anime-inspired style that gives its world a distinct and memorable look. Character design is detailed and expressive, while the environments make use of bold colors and abstract forms to reinforce the alien setting. The art direction does much of the heavy lifting in maintaining player engagement, as the gameplay systems themselves remain relatively static. Animations and visual feedback are clear and consistent, helping to create a smooth experience even when the underlying mechanics are simple. The presentation, while stylized, is cohesive and aligned with the game’s overall tone. The progression system provides a sense of forward momentum, encouraging players to revisit stages and unlock new variations as they advance. However, this progression is largely incremental, with few significant changes to how the game is played over time. As a result, the experience can begin to feel repetitive, particularly during longer sessions. The initial novelty of the concept carries much of the engagement, and once that novelty fades, the lack of mechanical evolution becomes more noticeable. This is perhaps the game’s most significant limitation, as it relies heavily on its theme to sustain interest. Even with these drawbacks, the game succeeds in delivering a consistent and clearly defined experience. It does not overextend itself or attempt to incorporate systems that would dilute its focus. Instead, it offers a compact, thematically driven loop that appeals directly to its intended audience. For players who appreciate experimental indie titles and are open to its subject matter, it provides a distinct and memorable experience that stands apart from more conventional offerings. In the end, Ayane: The Pregnancy Planet is best understood as a niche, concept-driven project that values identity over versatility. It may not offer the depth or variety expected from more traditional games, but it compensates with a strong sense of direction and commitment to its core idea. Whether that is enough to sustain long-term engagement will depend entirely on the player’s expectations and preferences. Rating: 7/10
《妊星少女绫音》是一款吞噬类黄油,来自妊星的神秘少女绫音因为其星球的男性灭绝而来到交配繁衍后代,坠落在主角的实验室,正所谓有逼不操非好汉,心急的主角也是当场来了一发,结果精子还没到子宫就寄了,这才得知只有足够强大的精子才能使其受孕,于是我们就要化身成主角的精子不断吞噬抗体收集DNA强化自身最终突破绫音的卵子让她怀孕。 游戏的故事模式共包括序章、实验室篇、绫音外出篇和孕后谈四部分,除了一些涩涩场景之外可以说基本没多少内容,主要是为了引入玩法和拓展新机制,整体流程在2h左右。 [h2] 游戏玩法 [/h2] 游戏中,玩家需要操控精子收集DNA强化技能,从子宫颈一路到子宫输卵管卵巢最终突破卵子,而只有点出相应的技能方可进入下一区域,随之难度也会逐渐提升,遇到新的强力抗体。由于除休闲模式外包括故事线的其他模式死亡均会重设强化并失去DNA,前期的发育节奏又比较慢,就需要玩家平衡成长与推进的时机,尽量减少重复死亡带来的坐牢。游戏在后续会提供编辑满精之力、触发序列以及状态物品等局外成长机制,但也要玩家根据实际情况进行取舍,例如未知序列通过变异DNA解锁,进入左右输卵管时其中一个会通向虚空卵巢,玩家可在此处获取,但还是有点繁琐了,同时也延长了一局的时间,以及,休息中状态的替换物品都会带来视觉缩减的减益效果,而且这个状态的持续时间相对较长,对于路痴的玩家而言十分不友好,降低了一定体验。 [h2] H内容 [/h2] 游戏共有6个HS,动态步兵,有娇喘配音,画风较精致,涩涩质量尚可,但可惜的是H内容无文本仅CG,实用性一般。 [h2] 总结 [/h2] 总的来说,本作设定还是挺独特的,但玩法和H部分结合的一般,正反馈偏弱,流程也较为重复,游玩下来有些费力,不过好在解锁CG的条件还是比较简单的,感兴趣的玩家可以尝试一下。 [quote] 闲暇时光,不妨试试游戏。 欢迎关注[url=store.steampowered.com/curator/45653622/] 闲暇時光鉴赏组 [/url] [/quote]
Народ явно зажрался нейрохрючевом, раз уронил в столь донный рейтинг эту игрулю. 30% положительных обзоров на момент написания игра явно не заслуживает. Перед нами симулятор к**чи. Где надо пробраться вглубь пришелицы, чей организм хоть и похож на человеческий, но "внутри" куда более враждебеный. По сути с претензиями других обзорщиков я вполне согласен. У нас 4 "этажа" и каждый куда более опасен чем предыдущий. Хотя у большинства похоже подгорело с "сюжетки" которую обязательно надо пройти перед тем как отправиться в "свободное плавание". Нам на старте дают сразу всё древо прокачки, и по сути переходя на следующий "этаж". А именно переходя на следующую главу сюжетки, нам дают в управление не то, чем мы на этот самый этаж "заплыли". А заранее подготовленного пловца. Из за чего прокачкой на первых уровнях заниматься не имеет смысла. И этот момент таки нигде не рассказали. Второй нюанс это то что все "этажи" весьма биологически достоверно нарисованы, да и враги там расставлены одни и те же. Так что при повторных "заплывах" ничего нового и вариативного не случится. -Сама сюжетка хоть и мизерная, но веселая, и разрабам спасибо что нет графомании на кучу ненужных диалогов. Ставлю плюсик. -Геймплей, необычный и прикольный, первые пару забегов. Но однообразный. Хотя при этом рабочий, понятный и не забагованный. Можно плюсик с натяжкой поставить. - Сценки..... Ну их нет. Просто 9 анимаций на среднем уровне. Видел я куда хуже. Не плюс но и не минус. - Ценник 300р..... Ладно дороговато. 200 вполне заслуженно за пару часов прикольного времяприпровождения. Как итог.... игра вполне норм. Далеко не то что можно всем советовать, но всё равно оставляет приятное впечатление.
パッと見の5倍くらいだるい。 体当たりしか攻撃方法がなく、自分より強い敵は絶対に倒せない。 レベリングをして先のエリアに進むのだが、エリアや難易度設定によっては死ぬたびレベリングを最初からやり直し。 慣れたら効率的なビルドとかファーミングとかができるようになるのかもしれないが、慣れるまでやるのか、これ。 ランキング機能とかもあるけれども。 エロシーンを解放するにはちょっと違うゲームモードで上記のプロセスを何周も走るらしい。
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| Naughty Girl 2 | $7.2K | 103 | 82% | $4.99 |