
A circus troupe comes to Yomogi Town, a rural town in Japan situated between mountains and the ocean. As the son of the circus ringmaster, enjoy a special summer filled with wholesome adventures!
Modeled estimate, not a reported figure. How we estimate →
Discounts
Every price cut of more than 20% we have observed, in each market that quoted one, with this game's chart position on either side of it. These are episodes, not a model: a sale is one event, and one event cannot tell you what the next one will do.
Reviews, worldwide (the counter carries no country): 0/day in the week to Sep 5 → 0.43/day in the week after.
For scale, across Steam · Top Sellers · Brazil over the last 30 days: the 26 chart moves that followed a price cut of more than 20% went a median of 7 places towards #1, and the 2,400 moves with no price cut behind them went 2 away. One store, one chart, one country — it is the only place we have enough observations to say even that.
Prices outside the United States have been collected since 6 August 2026 and chart positions since 19 July 2026, so a cut older than that has no market to compare and a market that joined later has no history yet. Nothing here is converted between currencies.
About
A circus troupe comes to Yomogi Town, a nature-rich countryside town in Japan situated between mountains and the ocean. As the son of the circus ringmaster, enjoy a special summer filled with whimsical action and adventure!
The Acorn Shooter is super handy! Stun bugs with well-aimed shots and add them to your bug collection. Now compatible with Steam Deck’s gyro controls!
The entirety of Yomogi Town and the areas surrounding it are an open world for you to explore with utmost freedom. Immerse yourself in nostalgic scenery filled with towering clouds, beautiful sunsets, cicada hums, and the warm glow of lights from homes at night.
You can chill in the shopping district, listen to live music in the afternoon, or go on a wild and exciting adventure. It's all up to you.
Feel like climbing up a tall, steep cliff? Or hopping from one rooftop to the next? Maybe look for a hidden gem at a remote spot? No problem! Even if you drop from a very high place, you'll be perfectly fine because you're the protagonist of this game.
You can spend time in an open field, quietly admiring the little flowers.
See all the bugs you've caught by clicking on them through the menu. You can observe them closely by looking at them in your bug collecting kit. What a beautiful butterfly!
Go fishing at a river or the sea! Donate rare bugs and fish to the museum for their exhibits! Or have the fish you caught cooked into a delicious dish! Join the local detective agency, raise a wild pig, dig up fossils, ride a train, earn money... Record your daily activities in your own fun picture diary!
During the summer festival, fireworks and the Bon Festival dance liven up the night. You decide where you take in the sights. You can even help run the Fireworks Show!
And you'll be directing the performance of the circus troupe in the latter half of your summer vacation. What a huge responsibility! Are you up for it?
Make your own, unforgettable memories during your summer vacation filled with unique experiences!
This is the latest work by Kaz Ayabe of Millennium Kitchen, creator of several games themed around summer vacation and childhood nostalgia. Natsu-Mon: 20th Century Summer Kid comes to Steam.
Dive into a midsummer adventure in a vast open world! Experience the freedom and nostalgia of a small country town brought to life in stunning 3D. Our game offers a seamless open-world environment where you can explore without any interruptions or loading screens.
Immersive Realism: Relive the magic of childhood adventures with lifelike 3D recreations of quaint shopping districts and charming single-car trains. Dynamic Environment: Witness the passage of time and changing weather conditions in real-time, adding depth and authenticity to your journey. Endless Exploration: Catch bugs, play detective, climb tall cliffs, even fly through the sky... Reconnect with the childhood joys of exploration, embark on adventures you dreamed about back then, and create new memories in a world brimming with possibilities.
Add-ons
Each DLC is estimated with the same model as a game, then summed — a modeled figure, not reported DLC sales.
Engagement
Reviews
Themes across 53 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
Reviews
My best summer vacation
Wonderful game, getting all the bugs and fish was a bit tedious but the story, characters, music, art and overall vibes were outstanding.
this is wonderful. i am very much looking forward to what the rest of the game is like. i might just go outside even :p
Media

Related
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Price dynamics, follower growth, revenue and sales trajectories with interactive tooltips
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Genres
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: Simplified Chinese, Traditional Chinese, Japanese*, English*languages with full audio support
Hours played at review time, across 53 reviews with recorded playtime.
positive critical· bar length = how often the theme comes up
Great game!
この手のゲームがもっと増えてほしいと思いますね。 最近、ぼくなつとかを実況や解説してる人も多いし、だしたらいけると思うんだよね。
Its a virtual summer vacation with everything that includes. Kind of reminds me of Persona 4 without the murder and dungeon crawling.
Fun and relaxing time even when you try to get everything done.
ぼくなつの後継作品としてとても面白かった。 広いマップにミステリー要素も満載で段々できることが増えていくのがワクワクした。 20時間ほどで全クリできました。
Loved every moment of this game and it's now a summer tradition.
全編通して多くはないセリフながらも、子どもの頃の主人公の心情と大人になった主人公の語りが織り交ぜられており感慨深いものがあり非常に良いストーリーでした。 雰囲気にあったBGM、操作性やテンポ感も好みのものでした。
Players by region
Where this game's players are, estimated from review languages.
Players also reviewed
The games this title's players most often review too — audience affinity.
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