Buy Bittersweet Birthday CD Key for PC

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The cheapest price is 4.45€ (-68%) at HRKGame with a rating of 4.2 (29.6k reviews) · Version Steam Key · Region Global · We compare prices at 13 verified stores with 13 offers in stock · Updated on 04/08/2026 08h 31min. ago

View 13 offers from €4.45
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  • We will start the verification process of your account, which may take 48-72 hours.
  • If you have not broken any of our rules, we will send you the cheapest version of the game to the email address associated with your account.
  • In the event that the game is out of stock or only available in a format such as accounts or physical, we will offer the possibility of an exchange for a prepaid card for the minimum value of the game on our platform.
  • For console games, a prepaid card of different amounts will be given instead of the game, due to regional limitations.
  • Your tickets will disappear from your account
  • This promotion is only available to US, UK and EU users.
  • Game redemption is only allowed once every 6 months per user.
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Taxes not included! Taxes included!
Prices without final payment fees but with discount coupons applied. Prices include payment fees and any store discount code applied.
Key stores
Promoted store
4.1 (12.1k)
Coupon
Gocdkeys -16% copy Copied!
€14.32 €12.03
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€1.00
4.2 (29.7k)
Coupon
Gocdkeys12 -12% copy Copied!
€5.06 €4.45
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€1.11
4.6 (118.9k)
Subscription from 2.99€/month
-15%
Coupon
AUGGOC10 -10% copy Copied!
€4.98 €4.48 How to get this price
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.55
4.2 (17.2k)
Coupon
GCDK14DEAL -14% copy Copied!
€7.40 €6.36
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.81
4.3 (2.7k)
Subscription from 4.99€/month
-8%
Coupon
GOCDKEYS10 -10% copy Copied!
€8.47 €7.62
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€1.28
4.7 (830.7k)
No code available
€8.49
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.17
4.8 (223.8k)
No code available
€8.79
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees -
4.0 (344.2k)
No code available
€9.98 How to get this price
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€0.03
Official stores
4.6 (78.7k)
No code available
€14.07
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€1.58
4.3 (629)
No code available
€14.08
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees +€1.58
3.6 (527)
No code available
€17.49
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees -
1.8 (3.7k)
No code available
€17.49
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees -
3.7 (2.1k)
No code available
€17.99
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees -

About Bittersweet Birthday

You wake up in a strange facility with no recollection of who you are or how you got there. That is, until a voice calling themselves ‘Ada’ on the other end of an intercom warns you that you’re being hunted, and promises to help you escape.

Bittersweet Birthday is a story-driven action-adventure game where every fight is personal, every victory hard-earned, and every clue a step towards uncovering the truth lying somewhere inside the miasma of mysteries.

Each encounter is a one-on-one showdown with one of your nemeses. Read your enemy, master their rhythm, and adapt to their patterns that blend Souls-like precision with bullet-hell chaos. Punch, kick, block, dodge and parry your way through multiple phases that feel like a final boss each time.

Tweak the challenge to your liking through the Memory system. Memories are gameplay modifiers directly tied to the character’s pasts. They can make fights easier or harder, but never trivial.

Between fights, catch your breath in a vibrant village full of strange and endearing characters. Complete side quests, dig into local mysteries, and enjoy a surprising amount of heartfelt (and often ridiculous) downtime.

  • Try your hand at darts! Or well… I guess darts are partially used, at least.

  •  Rock, paper, scissors – fighting game edition!!

  • Hunt down all 48 Gachapon collectibles, each one of the cool, cute, or creepy kind!

  • Hand-drawn pixel art and detailed backgrounds bring every memory and location to life.

  • Fully remappable controls with support for PlayStation, Xbox, and PC controllers.

A STORY THAT LIVES UP TO ITS NAME

Bittersweet Birthday mixes psychological horror, sci-fi mystery, and dry humor into a story about identity, trauma, and what it means to move forward.

Some truths are hard to remember… others, hard to forget.

How much does Bittersweet Birthday for PC cost right now?

Bittersweet Birthday for PC starts at €4.48 at Kinguin, a Steam key, which is 74% under the €17.49 it costs on the official store.

That €4.48 already includes the AUGGOC10 coupon, so apply it at checkout or the store will show you a higher price.

The cheapest one listed, €4.45 at HRKGame, is out of stock. The cheapest you can actually buy today is €4.48 at Kinguin.

There are 13 offers across 13 stores, 12 of them in stock right now, which is what the price above is picked from.

That puts it 10% under its average of €4.99 since 2025, so today is a better entry point than most days of its life.

Is it worth buying the Steam Key for Bittersweet Birthday now or waiting?

That €4.48 key is at one of its best prices.

  • Those €4.48 are 31% below what it usually costs, measured on the store price.
  • 12 stores sell the Steam Key at the same time, and with that much competition the price moves almost daily.
  • Not counting today, only 35 days out of the 255 days on record were this cheap or cheaper; the lowest it has ever cost is €3.39.
At this price it is worth buying the Steam Key now: what you stand to gain by waiting is a few euros, and it is not guaranteed.

Worked out from 1,340 daily records of the Steam Key for Bittersweet Birthday across 14 stores. See the full price history.

The price does not include each store's payment fees. The percentage is measured on the store price, without coupons, because that is how we record the history. The analysis only counts Key offers. Shared accounts, Steam Gift and physical editions stay out, because they are not the same product and their prices move differently.

Can you activate Bittersweet Birthday in US?

All 13 offers are Global, so the code redeems on any account no matter where it was created.

So, which Bittersweet Birthday deal should you buy?

Get it now: the cheapest key is at Kinguin for €4.48 and the game stays on your own account.

The lowest we have ever seen is €3.39, so waiting is unlikely to give you much more than you already have today.


Most common FAQs when buying Bittersweet Birthday for PC in digital format:

It is a key that will allow you to download the game Bittersweet Birthday on your PC from official download platforms.
As of 04/08/2026, in United States, the best price we have found in our selection of online stores that include the key for Bittersweet Birthday on PC is €4.45.
The Steam Key format is what we always recommend due to its ease of use and higher security compared to any other format. You just need to redeem the key in your account to download Bittersweet Birthday to your game library. The account format requires more complicated steps and is more prone to errors during activation.
The only issue we’ve encountered in 13 years is receiving a duplicate key that doesn’t work. In that case, simply contact the store where you bought Bittersweet Birthday, and they will provide a new key. You can also contact us, and we’ll help you out.
Delivery times vary by store. For example, in the case of Instatgaming, Eneba, G2a, or Kinguin, delivery is usually instant or takes just a few minutes. These stores rarely delay game deliveries.

Other stores may take 30–40 minutes depending on game availability. On release days, delivery times may be slightly longer.

If you notice an unusually long delay, contact the store or us, and we’ll resolve it as quickly as possible.
At Gocdkeys, we only list the most well-known stores that have passed our quality checks. One of the most important factors is good customer support, and all listed stores offer it.

There have been occasions when those services were overwhelmed, which is why we also offer 24/7 customer support to help resolve any issues or questions.

In any case, we always offer a 100% guarantee, so you won’t have any problems, and if you do, we’ll resolve them as soon as possible.

Need more help? Use our FAQs.

What do our users think of Bittersweet Birthday for PC Digital?

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About of Bittersweet Birthday

Release date 11/11/2025
Users rating
0/5 (0 Comments)
Steam comments Positive Positive (26 Comments)
Categories
Action Action
Tags
Story Rich Combat Psychological Horror Mystery Surreal Pixel Graphics Bullet Hell 2D Narrative Sci-fi

Languages

English, Spanish - Latin America, Spanish - Spain, Japanese

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