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Rina's Undercover Train Operation
A rogue-lite simulation animated game where you play as Rina, a special investigator with psychic powers that aims to cut down crime rate on trains. Upgrade your skills, combine them, and take down your enemies before they get you! Oh, and have fun changing Rina's outfits too!
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.
“I'm surprised that some people still complain about adult patches. If you were born yesterday, adult content is getting attacked by different activists and then blocked by payment processors. Patch is one of ways to combat this. About the adult version- yes, gameplay lack…”
— a player, Steam review · 24 hrs played“I went into this one expecting an ordinary bodice-ripper, a maiden-in-distress coupled with an RPGMaker combat system. Boy was I surprised. This is a tough-as-nails Rogue-lite time attack game. The enemies come fast and furious, and the path to victory clings to defeating them…”
— a player, Steam review · 4 hrs played“Wait for a discount. I was hoping for an H game... this is a good basis for a good H game, but it isn't a good H game in it's self. Chikanol and JK molester are better H games, despite being worse games with less mechanics overall. It's just one girl, no real dialogue or story.…”
— a player, Steam review · 7 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-08 via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-26. 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 (2026-09-25). 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.
Summer Sale Is Here! 🏝️
HUGE discounts of up to 80% are now LIVE for our games! Don't miss out on the best deals of the season. Thank you so much for your support, and have a wonderful time! ❤️ Enjoy the discounts starting t
Hotfix 1.18d!
1. Fixed a freeze when playing in English that occurred when trying to buy two clothing items at the shopping mall event. 2. Improved the way stats (i.e. arrest count, Awareness use count) are sent to
Rina’s Undercover Train Operation is now available to purchase!
We’re overjoyed to announce the official release of Rina’s Undercover Train Operation, developed by Metamorphose! The game is available right now, with a special 20% off launch discount! https://store
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-25.
| Genres | Simulation |
| Player tags | Sexual Content · Hentai · Simulation · Anime · Female Protagonist · Roguelike · 2D · Detective · Crime · Visual Novel · Roguelite · Cute (Steam store community voting) |
| Features | Single-player · Steam Achievements · Steam Cloud · Family Sharing |
| Languages | English, Japanese * , Korean, Simplified Chinese, Traditional Chinese * |
| Achievements | 25 |
| Official site | https://saikeystudios.com |
Minimum system requirements (PC)
Minimum: OS *: Windows® 7/8/8.1/10/11 Processor: Intel Core2 Duo or better Memory: 2 GB RAM Storage: 1 GB available space