Isekai Big Two
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!
Offers
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About Isekai Big Two
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
Game details
Game details
Age ratings
Game modes
Languages
Audio & text: Japanese
Text only: English, Simplified Chinese, Traditional Chinese, Korean, Russian, Thai, Portuguese - Brazil, Spanish - Latin America
Isekai Big Two player count & reviews
84% positive reviews in the last 30 days (91% all-time) · 28 peak players in the last 30 days.
Isekai Big Two — frequently asked questions
How many people play Isekai Big Two?
Isekai Big Two peaked at 28 concurrent players on Steam in the last 30 days (highest on Jul 8, 2026). The player chart on this page updates daily.
How can I get Isekai Big Two at a discount?
Create a free price alert on this page and KingsPrice will email you when Isekai Big Two drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
System requirements
Minimum
- OS: Windows 10 +
- Processor: Core 2 +
- Memory: 4 GB RAM
- Graphics: HD620 +
- DirectX: Version 9.0c
- Storage: 4 GB available space