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Adult Only · 18+
Thirty Days
Thirty Days is a heavy choice driven Visual Novel, designed to have multiple playthroughs with largely different experiences. Choose from 6 different main characters (3 Female, 3 Male) as you spend a month with 2 very cute 18 year old fraternal twins.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-27.
“Just a fun game. Oh, and the male protagonist does not have a member the size of an arm. Got to give the author credit for that, because these days... Also the girls are not inflated or silicon enhanced, big plus there too! Hope the continuation comes soon.”
— a player, Steam review · 9 hrs played“I really am enjoying the game and there are so many different paths you can take.”
— a player, Steam review · 21 hrs played“This is an amazing game, with well developed characters and storyline. The visuals are stunning and interactions enjoyable. Eagerly awaiting the upcoming DLC!”
— a player, Steam review · 94 hrs playedPrice tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-28. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-28). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Update 0.10.8.3
First part of day 10 Male. First part of day 8 Female... I was going to release full day 8 female, but, remembered some issues that happened when day 8 and 9 male released, and the negative response f
Day 9 Male Update
Day 9 Update on Male route. Over 2000 images. 3000 lines. 6 animations. On to day 10 Male, and continuing Female route for day 8.
Update 0.8M
I am still here, Life just has been.. A mess. This is update 8M, M as in male route only, Female route will continue, but I'm going to focus on Male route for the next few updates. 4000 lines. 2300 re
Update 7.5
I do have this tagged as a Day 7 update, but it does contain morning content for Day 8 on the male route. Female route starts with an ero scene so that's taking a bit longer. Wanted this out last week
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-27.
| Genres | Indie, Early Access |
| Features | Single-player · Family Sharing |
| Languages | English |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS *: Windows 7 or higher. Processor: 2.0 Ghz 64-bit Intel-compatible Memory: 2 GB RAM Graphics: OpenGL 3.0 or DirectX 11 DirectX: Version 11 Storage: 5 GB available space Sound Card: Any