Monsters Idle RPG is a cozy and relaxing idle game where you collect monsters, deploy them in battles, gather resources, and sell them to earn profits! Explore Arcanium as you advance from a basic starter monster to your favorite companion by expanding your collection.
All Reviews:
Mixed (50) - 68% of the 50 user reviews for this game are positive.
Release Date:
Sep 19, 2023

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“👍 Definitely worth it for the price if you're a fan of casual incremental games.”
Steam Reviewer

“👍An enjoyable little incremental game to pass the time with.”
Steam Reviewer

“👍A game that brings back the nostalgia of idle browser games I used to play in the 2000s”
Steam Reviewer

About This Game


Explore the world of Arcadius - a place filled with many types of mythical creatures - manage your creatures, items, capital, other resources and capture all creatures by battling in diverse biomes and places.

As you explore, you'll encounter and catch new monsters, each with their own unique abilities and personalities. And with a range of items and upgrades available, you can make your favorite monsters reach the ultimate level.

With just a few clicks, you can set your monsters to battle automatically, allowing you to sit back and enjoy the progression. And with the ability to earn rewards even when you're not actively playing, this game is perfect for busy players who want to enjoy a satisfying RPG experience without spending all their time glued to their screens.


  • ⚔️A Casual and Relaxing Idle RPG Game with hours of entertainment;;
  • ⚙️ A Satisfying progression system
  • 🏝️ Beautiful Graphics and Relaxing Ambience;
  • 🦊 Manage your team to battle and capture ever more creatures;
  • 🔨 Buy upgrades to get stronger and defeat all opponents;
  • 📦 Choose your creatures according to different demands;
  • ⛏️ Many items for you to discover and use;
  • 🎒 Fully interactive Crafting/Inventory System;
  • 🌟 Game content that continues to grow through expansions.

Defeat and capture Epic Creatures

Collect all creatures of Arcadius

Thank you so much for your visit! I'm a solo indie game developer and I am doing my best to improve the game based on the community feedback. By purchasing the game you are encoraging me to keep making games even better. Best wishes!

Developer Homepage. Feel free to follow me ✌️

To request features, enhancements or comunicate issues join us on our discord channel

System Requirements

SteamOS + Linux
    • OS *: Windows XP/Vista/7/8/10/11
    • Processor: 1.6 GHz Dual Core or faster
    • Memory: 2 GB RAM
    • Graphics: Graphics card supporting DirectX 9.0
    • DirectX: Version 9.0
    • Storage: 1 GB available space
    • Sound Card: Any
    • Additional Notes: Even slower systems run the game.
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
    • OS: 10.7.0
    • Processor: 1.6 GHz
    • Memory: 2 GB RAM
    • Graphics: Any
    • Storage: 1 GB available space
    • Additional Notes: Even slower systems run the game.
    • OS: Linux
    • Processor: 2.2 GHz
    • Memory: 2 GB RAM
    • Storage: 1 GB available space

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