Mobius. An idyllic world that exists for the sake of letting people forget about the pain and problems of reality. In this world created by a sentient vocaloid program, μ (Mu), reality and fantasy has become blurred, allowing people to relive their high school years in bliss. Yet in this seemingly beautiful and perfect world, something is amiss.
Escape from this false paradise with your fellow students and return to reality in The Caligula Effect: Overdose!
Key Features
An Overdose of New Features - The Caligula Effect: Overdose boasts enhanced visuals and gameplay! Explore new scenarios, endings, and the “Forbidden Musician Route” while escaping the virtual world of Mobius.
The New Faces of Kishimai High - Play as the newly added female protagonist! Plus, meet two new members of the Go-Home Club, who each have their own new Ostinato Musician to face.
Use the Imaginary Chain! - Turn-based battle meets exhilarating action in this refined JRPG battle system! Develop a flawless strategy after using the Imaginary Chain to predict what your enemies will do next!
Unite and Escape - Sometimes, it’s hard to go it alone. Befriend over 500 other students in this imaginary paradise to improve your skills in battle and ultimately return to reality.
Processor: Dual-core Intel or AMD processor, 2.5 GHz or faster
Memory: 4 GB RAM
Graphics: NVIDIA GeForce 450 GTS or AMD Radeon 6770 HD
Storage: 6 GB available space
Directx: Version 11
Additional notes: 3D Resolution Scale at 50%
windows Recommended
Processor: Quad-core Intel or AMD processor, 2.5 GHz or faster
Memory: 8 GB RAM
Graphics: NVIDIA GeForce 470 GTX or AMD Radeon 6870 HD
Storage: 6 GB available space
Directx: Version 11
Additional notes: 3D Resolution Scale at 100%
To activate the game, you need a Steam Account
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2025-12-29
Monthly Recap - December Edition
On the very cusp of 2026, we have prepared the YUPLAY Monthly Recap - December edition to include information about some of the biggest gaming experiences of all time, as well as prominent hits across the year and an announcement of a classic game that would make its return very soon! Ready to close off 2025 with a blast? Let’s deliver on that with a few banging stories that we are certain that you would really like…
This Christmas we got not just one, but actually two very interesting promotions prepared for you! The first out of the two Christmas holiday promos is going to last a bit more than a week and it would include discounts on all the games we got on our website and if you decide to buy at least 2 (or more) game titles, at checkout there would be an automatic 10% (with a maximum cap limit of 3€) taken off from the cheaper one in the order. The second one…