The Caligula Effect: Overdose - PS5

Relapse into the virtual world

Something's amiss in the seemingly perfect world of Mobius. Escape from the false paradise and return to reality, or risk losing more than just your identity!

School is back in session! The Caligula Effect: Overdose boasts enhanced visuals and gameplay, including new characters, new scenarios, new endings, and the mysterious "Forbidden Musician Route"!

Play as the newly-added female protagonist, develop and execute flawless battle strategies with the Imaginary Chain, befriend and recruit over 500 students to your cause, or turn the tables and sabotage the Go-Home Club's efforts to return to the real world!

• 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.
• The World of Mobius
  Delve into Mobius, a supposedly perfect digital world where everyone is at their very best, and discover the hidden secrets within!
• Combat Master
  Master the innovative battle system that combines strategy and action by utilising stigmas to augment your abilities!
• 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.

Warranty
All products are covered by a manufacturer’s warranty where applicable. Warranty claims are assessed in line with the Consumer Guarantees Act.

Returns
We offer a 30-day return policy for unused items in their original condition.

To start a return, contact shop@overkill.co.nz. We’ll provide return instructions and the return address.

For full details, please visit our Return Policy page.

Refunds
Refunds are processed within 5–7 business days after we receive and inspect the returned item.

Where we ship
We currently ship within New Zealand only.
For international shipping enquiries, contact shop@overkill.co.nz.

Order processing

• Orders placed before 3pm ship same business day
• Orders placed after 3pm ship the next business day
• Weekend & public holiday orders ship the next business day
  

Overnight delivery nationwide via NZ Post*

• Auckland & Northland: 1–2 days (avg. <1 day)
• Rest of North Island: 1–3 days (avg. 1 day)
• South Island: 1–3 days (avg. 1.3 days)
• Rural & oversized: Allow an extra 1–2 days

*Delivery times are estimates and may vary.

Shipping costs
Calculated at checkout based on size, weight, and destination.

Current rates:

• Northland: $3.99
• Auckland: $3.99
• Rest of North Island: $4.99
• South Island: $5.99
  

✅ Free shipping on orders over $99*

Bulky items may incur a $10 surcharge (applied automatically at checkout).

Tracking
You’ll receive a tracking link by email once your order ships.