Screenshots
Watch trailer on Steam ↗Isekai Big Dick
Hippo Games · Published by Hippo Games
Content notice: All characters depicted are over the age of 20. Content Warning! This game contains: Fantasy Violence, Sex Acts, Bondage, Exhibitionism, Anal Sex, Footjobs, Paizuri, Blowjobs, Use of Sex Toys, Non-consensual Sex, Bondage, Alcohol Abuse
Very Positive — 89% positive (159 reviews) · 20 achievements
Last updated 28 Sept 2026
This is an R18 card game that blends roguelike mechanics with romance simulation. You’ll embark on an adventure with four unique heroines—conquering both battles and their hearts. Mix and match card combinations freely, build the ultimate deck, and become the ultimate big dick!
£9.89
Lowest price we've ever recorded
View on SteamPrices can lag the live Steam store — always confirm before buying.
Price history
Indie, Strategy · 2026 · More £5 - £15 games
Explore a unique blend of roguelike and romance in Isekai Big Dick. Strategize your deck and conquer both challenges and affection with four distinct heroines.
About this game
Mysterious anomalies are appearing in the modern world. You are an ordinary young man who accidentally obtains a magical card that opens the gateway to another world, beginning a journey across time and space. In a realm filled with magic and peril, you’ll meet four heroines, each with distinct personalities. Together, you’ll uncover the truth behind the looming catastrophe— and ultimately decide who will spend the rest of their life by your side. This is a fantasy isekai adventure where romance, strategy, and poker mechanics collide. Can you become a true Big dick?
Interactive CG Events
Character Introduction
🧪 Researcher｜Irene Lewis
🧙♀️ Mage｜Lisel Elvy
🐶 Beastkin｜Koya
🌿 Elf｜Freya
Play big dick in Isekai
Over 100 cards to build your unique deck and unleash unbelievable comeback combos!
Game Features
Fully Japanese-voiced heroines
Interactive CG scenes
Addictive Card + Roguelike mechanics
20 HCG sets in total
System Requirements
Will my PC run this? →Minimum
- OS: Windows 10 +
- Processor: Core 2 +
- Memory: 4 GB RAM
- Graphics: HD620 +
- DirectX: Version 9.0c
- Storage: 4 GB available space
Supported Languages
*languages with full audio support
Latest news
Patch NotesOfficial
"Isekai Big Dick" v1.1.1 Update
Fixed an issue where the number of Blinds displayed incorrectly in CollectionRead full article on Community Announcements (吉米學長)Patch NotesOfficial
"Isekai Big Dick" v1.1.0 Update
1. Fixed an issue where camera positioning could occasionally be incorrect in some languages during story scenes2. It has been one month since launch. Thank you all for your patience and support — we've fixed most of the issues, and the game is now much more stable!Read full article on Community Announcements (吉米學長)Patch NotesOfficial
"Isekai Big Dick" v1.0.13 Update
Fixed an issue where the timing of story Branching Points could be incorrectRead full article on Community Announcements (吉米學長)Patch NotesOfficial
"Isekai Big Dick" v1.0.12 Update
1. Fixed an abnormal issue with Hands2. Fixed an abnormal issue with the Store button stateRead full article on Community Announcements (吉米學長)Patch NotesOfficial
"Isekai Big Dick" v1.0.11 Update
1. Fixed an abnormal issue with the Reroll button2. Fixed an abnormal issue with Potion Card packs3. Fixed an issue where players could occasionally fail to enter the next roundRead full article on Community Announcements (吉米學長)
