Buy The Caligula Effect: Overdose PC Key

Looking for a cheap The Caligula Effect: Overdose key? As of 16 Aug 2026 the lowest offer is A$70.68 at WinGameStore, picked from 7 offers across 6 stores. Keyshops start at A$86.59, official stores at A$70.68. On PC the keyshop wins on price in most comparisons, but then you are buying a code from a third-party seller, so check the activation region. This game has been cheaper before, on 96% of the days we have data for. A price alert will let you know when the next drop comes. On PC you buy a key that you activate in Steam or another client, and this is the widest market we track, with more than a quarter of games carrying a keyshop offer.

Release: 12 Mar 2019
RPG
Steam:
Mostly Positive (464)
Buy in Official Store:
A$70.68
Buy in Keyshops:
-8%
A$86.59
In keyshops, it was cheaper on 96% of days with data.
See price history

Official Stores (3)

DRM:
Steam
Steam
WinGameStore
The Caligula Effect: Overdose
Windows
+1
1d ago
DRM:
Steam
WinGameStore
~A$70.68
Steam
The Caligula Effect: Overdose
Windows
+1
5w ago
DRM:
Steam
Steam
A$79.95
Green Man Gaming
The Caligula Effect: Overdose
Windows
+1
25w ago
DRM:
Steam
Green Man Gaming
A$79.95

Keyshops (4)

DRM:
Steam
Steam
G2A
The Caligula Effect: Overdose Steam Gift NORTH AMERICA
Windows
+1
1d ago
DRM:
Steam
G2A
A$94.12 A$86.59
-8%
-8% with G2A8XDDcopy
-8% with G2A8XDDcopy
G2A
The Caligula Effect: Overdose Steam Gift GLOBAL
Windows
+1
1d ago
DRM:
Steam
G2A
A$123.46 A$113.58
-8%
-8% with G2A8XDDcopy
-8% with G2A8XDDcopy
Difmark
The Caligula Effect: Overdose (PC)
Windows
+1
2w ago
DRM:
Steam
Difmark
A$144.06 ~A$122.45
-15%
-15% with XDDEALScopy
-15% with XDDEALScopy
The Caligula Effect: Overdose Steam Key GLOBAL
5.0
Windows
+1
1d ago
DRM:
Steam
Eneba
A$155.26 ~A$139.73
-10%
-10% with XDD10copy
-10% with XDD10copy

About The Caligula Effect: Overdose

The Caligula Effect: Overdose - about the game
Relapse into the virtual world of Mobius, where a sentient vocaloid program named μ blurs reality and fantasy. High school life unfolds in apparent bliss, but cracks reveal a false paradise hiding deeper troubles. Join fellow students in the Go-Home Club to break free and face reality. This refined JRPG blends turn-based battles with action via the Imaginary Chain, letting you predict enemy moves for perfect strategies. Play as the new female protagonist, explore fresh scenarios and endings including the Forbidden Musician Route, and befriend over 500 students to boost battle skills. JRPG fans who enjoy strategic combat and club-based alliances will find a focused escape from Mobius.

Relapse into the virtual world

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.
Interface:
EnglishJapanese
Audio:
Japanese
Subtitles:
EnglishJapaneseKoreanSimplified ChineseTraditional Chinese

Age rating

Unavailable
Steam:
Mostly Positive (464)

Minimum:

  • 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
  • DirectX: Version 11
  • Storage: 6 GB available space
  • Additional Notes: 3D Resolution Scale at 50%

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
  • DirectX: Version 11
  • Storage: 6 GB available space
  • Additional Notes: 3D Resolution Scale at 100%
Historical low
Price history from official stores
A$15.99
Steam
3 months ago
Price history from keyshops
A$13.87
Eneba
5 months ago

FAQ

9 questions

Before you start looking for a cheap The Caligula Effect: Overdose PC key, check the essentials. Developed by FURYU Corporation. Published by NIS America, Inc.. PC released date: 12 Mar 2019. Genres: RPG. Categories: Family Sharing, Single-player, Steam Achievements, Steam Cloud, Partial Controller Support.

Q

Where to buy a cheap The Caligula Effect: Overdose Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a The Caligula Effect: Overdose key for as low as A$70.68. This deal is available at WinGameStore and is among the cheapest offers on the market. All keys listed on XD.deals are delivered digitally and eligible for instant download after payment. Prices already include processing fees and applied promo codes, so you always see the lowest The Caligula Effect: Overdose price on PC. Check the The Caligula Effect: Overdose price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the The Caligula Effect: Overdose Steam price is A$79.95. You can save an extra ~6% by paying with a discounted Steam gift card.

Our price tracker covers both official retailers and key marketplaces, so you can find The Caligula Effect: Overdose on sale even outside seasonal promotions. We currently detect 7 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, The Caligula Effect: Overdose is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

The current price is high against its own history: it was cheaper on 96% of days with data. We have recorded offers from 13 stores in total, and from 1 in the most recent reading. The price reached its historical low on only 1 day out of 170 days with data. The cheapest offer came most often from Yuplay: 63 of 170 days with data.

Yes. The Caligula Effect: Overdose has an official page on the Steam Store. You can also buy a The Caligula Effect: Overdose Steam key from third-party sellers. Our price comparison currently includes 7 offers with Steam DRM. Pick one to ensure your The Caligula Effect: Overdose download happens on Valve's platform.

Yes. The Caligula Effect: Overdose is Steam Deck Verified - it launches out-of-the-box, displays correct controller glyphs and runs stable. The Caligula Effect: Overdose works perfectly on Steam Deck.

According to our data The Caligula Effect: Overdose is not currently available on PC Game Pass, EA Play or Ubisoft+. We are still filling in the catalogues of these services, so it is worth confirming the status at the source before you decide. If you are buying, XD.deals will help you find the lowest price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best The Caligula Effect: Overdose deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

Best prices for The Caligula Effect: Overdose

1 WinGameStore WinGameStore Official
A$70.68
2 Steam Steam Official
A$79.95
A$79.95
4 G2A G2A Keyshop
-8% A$86.59
5 Difmark Difmark Keyshop
-15% A$122.45

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