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A Become the Moon Steam Key — also known as a CD Key or digital code — is the official activation code you redeem on Steam and keep in your library permanently. From €7.42 (no fees) at Steam · 1 verified stores, 1 offers in stock · Updated 07h 16min ago.

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Official stores
Steam 1.8 (3.7k)
No code available
€7.42
Store Steam
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
Description Icon
Fees -

About Become the Moon

A challenging deck-building auto-battler requiring you to out-think your opponents in your attempt to Become The Moon. Cycle through your decks to level-up and unlock more powerful cards and spells. Consider every move, use your mana wisely, and carefully manage your health. Acquire relics, minions, and spells as you look to overcome the difficult journey that awaits.

Assemble unique decks of minions, spells, and relics. Each round, you’ll be able to draft new cards to grow your arsenal, build overpowered synergies and buff your minions. Collect powerful relics to overclock your deck, and shoot for the stars!

Take on foes in chaotic auto battles. Strategically place, swap and reshuffle minions, and tactically cast battle spells to adapt to each fight. Optimise your board for each battle, however once that bells rings, your fate is out of your hands…

Embark on a roguelike journey beyond the stratosphere. To get there, you’ll need to overcome a gauntlet of enemies who’ll do everything in their power to prevent your ascension. Prepare to fail, retry, and fail again as you fight to climb to lunar greatness.

How much does Become the Moon for PC cost right now?

Become the Moon for PC starts at €7.42 (no fees) at Steam, a Steam key.

There is a single verified offer for it right now, so this price is the market rather than the best of several.

That puts it 55% under its average of €16.49 since 2026, so today is a better entry point than most days of its life.

Is it worth buying the Steam Key for Become the Moon now or waiting?

That €7.42 (no fees) key is at one of its best prices.

  • Those €7.42 (no fees) are 46% below what it usually costs, measured on the store price.
  • Only 1 stores sell the Steam Key, and with that little competition the price barely moves.
  • Not counting today, only 26 days out of the 389 days on record were this cheap or cheaper; the lowest it has ever cost is €4.49.
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 409 daily records of the Steam Key for Become the Moon across 2 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 Become the Moon in US?

All 1 offers are Global, so the code redeems on any account no matter where it was created.

INFORMATION ABOUT Become the Moon FOR PC


Become the Moon is a game that blends strategy, deck-building, and auto-combat in a world where magic has spiraled out of control and everything seems on the verge of collapse. The game revolves around an upward journey into the cosmic, while facing strange creatures and unpredictable situations. Each game is a new attempt to reach lunar heights, with a roguelike approach that rewards experimentation and perseverance.

During the game, you'll build a deck with cards that include minions, spells, and mystical artifacts. These cards not only allow you to attack, defend, or alter the battlefield, but can also be combined to create powerful synergies. In each round, you'll have the opportunity to strengthen your deck with new options, adjusting your strategy as you face more complex challenges.

The game is based on automatic combat, which means that while you can carefully prepare your board and decide the position of your minions and when to cast certain spells, once the action begins, there's no turning back. Planning is essential, as the outcome of the battle will depend on how well you have prepared your team before the confrontation.

As you progress, you will collect relics that enhance your deck and alter the course of the match. Some of these upgrades offer unexpected advantages that can completely change the way you play, giving rise to risky but effective strategies. Each item you obtain can be the key to facing the most powerful enemies in the game.

The overall tone of Become the Moon is one of constant challenge. Failure is not the end, but rather part of the learning process necessary to master a changing world filled with magical chaos. Only through repeated attempts, patience, and strategy, will you be able to approach the ultimate goal: to rise beyond the chaos and touch the impossible.

Most common FAQs when buying Become the Moon for PC in digital format:

It is a key that will allow you to download the game Become the Moon on your PC from official download platforms.
As of 02/10/2026, in United States, the best price we have found in our selection of online stores that include the key for Become the Moon on PC is €7.42 (no fees).
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 Become the Moon 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 Become the Moon, 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.

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Become the Moon

Is it worth it?

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Mostly Positive 174 reviews on Steam
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What the press says

US 11 ES 1 IT 1 PT 1 AR 1

SwitchRPG

100

In this game, you play the role of a pair of scientists. But does that mean it’s an RPG? Read more

Nintendo Life

90

To The Moon is a powerful interactive story. It deals with issues and situations we'll likely all experience in our lifetimes and does so honestly... Read more

Noisy Pixel

90

To The Moon is an incredible game that explores morality, death, and regrets in an easy to understand way. The Switch version offers players the... Read more

Nintendo Wire

90

To the Moon is a shining example of how a video game doesn’t have to be something combat-driven or challenging to be significant. Read more

About the game

Release date
19 Jun 2025
Genre
Strategy Card Game Turn-Based Combat
Modes
Singleplayer PvE
Setting
Fantasy Dark Fantasy Difficult
Languages
English* Japanese Korean

* languages with full audio

Requirements

Minimum:
  • Windows 10
  • 2.0 Ghz
  • 4 GB RAM
  • 2 Gb Video Memory
  • 1 GB available space

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