Step into a charming, cartoony world with SIS and BRO: The Cyborg Siblings, an indie RPG that blends interactive fiction with a deep stat system. Players take on the roles of two adorable robot siblings, embarking on an adventure where their choices truly matter.

The game features a unique tabletop-style RPG system for customizing the siblings' personalities and abilities, allowing for a highly personalized experience.

Overview

SIS and BRO: The Cyborg Siblings invites you to explore a vibrant town as two young cyborgs. This narrative-driven RPG emphasizes player agency, offering a freedom to explore and interact with the world as you see fit. Whether you're driven to uncover the mystery of why you can't leave town or simply wish to enjoy the daily life of your characters, the game accommodates your playstyle. The story unfolds based on the significant decisions you make, shaping the narrative and your relationships with a diverse cast of robot characters.

Highlights

  • Choose Your Own Adventure RPG: Play as two cyborg siblings in a cartoony visual novel RPG where your decisions shape the story.
  • Deep Customization: Utilize a tabletop-style RPG stat system to define the personalities and abilities of your characters.
  • Interactive Narrative: Form meaningful relationships with a colorful cast of robots and make impactful choices that dramatically alter the plot.

Who It's For

This game is perfect for players who enjoy narrative-rich experiences, visual novels, and RPGs with a strong emphasis on player choice. Fans of dating sims and those who appreciate character customization will also find a lot to love here. If you're looking for a game where you can explore a unique world at your own pace and influence the story through your decisions, SIS and BRO might be just what you're looking for.

Game Info

Developed and published by ajtoons, SIS and BRO: The Cyborg Siblings is an indie RPG currently in Early Access. It supports single-player and family sharing. The game was released on September 4, 2025, and is available in English.