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
2025-10-31
Monthly Recap – October Edition
Another month has passed and it is time to present our overview for some of the more intriguing news stories in gaming that happened during it! We have prepared interesting pieces about some of the more popular current and upcoming gaming titles like the new DLC of Kingdom Come: Deliverance II, and the Korean mythology-inspired open-world game Project TAL, as well as the shocking CS2 scandal and a dedicated part about the already concluded support for Windows 10.
Haunted by Boredom? It’s Trick-or-Treating Time Again!
Halloween is finally here and as the tradition requires, it is time not only for some monster deals like nowhere around, but also for special treats for our customers! Make an order of over 10€ between 29.10.2025 15:00 CET and 03.11.2025 15:00 CET and you will get our special HALLOWEEN TREAT, which will contain discount codes: 10%, 20% OFF, 25% OFF, discount vouchers: 1€, 2€, 5€, 10€, 20€ or a FREE GAME…