Yumerium is a utility token developed with the utilization of blockchain technology to enhance virtual economics of the gaming world.

Project stage

Working product

Detailed description

Yumerium (YUM) is a gaming token that can be earned by playing, sharing and reviewing games and can be spent in any game that supports it. YUM integrates marketing tools such as referral bonuses or bounty campaigns to attract and engage users.


Games are fun, development should be too. But the process of making games has been bogged down with too many financial hurdles.


Yumerium is the decentralized backbone of a new gaming economy that aims to facilitate the transactions between developer and gamers. By introducing blockchain technologies to the development process, new exciting ways for developers to interact with gamers, and vice versa, are born.


Yumerium introduces a new native token that enhances the relationship between developers and gamers through the following key features: 

  • Cryptocurrency with tangible value by allowing users to use the currency on any venue that connects to the Yumerium blockchain. These systems can be owned by Subdream Labs, or developed by non-affiliated parties. 
  • Open, trustworthy, and secure smart contracts that verifies the authenticity of developers and gamers. When both parties know that the system cannot be taken advantage in favor of one party, both parties can trust each other and exchange tokens. 
  • Token rewards for game achievements to allow developers run contests and marketing campaigns cheaper, safer, and easier than ever before. Developers can then motivate gamers to play and improve retention metrics, while gamers can receive tokens to spend in any Yumerium game. 
  • Compensate influencers for referring or reviewing games. Spread the word with a tool more powerful than traditional ads; the word of a trustworthy internet celebrity. 
  • Decentralized crowdfunding to safely fund future projects through gamer support. Since no one controls the system, campaigns are far cheaper than those of traditional crowdfunding sites. 
  • True limited edition copies of digital games and in-game collectibles. With the power of the blockchain, ownership of digital assets can be verified. Due to the scarcity of such items, their value continues to grow, rather than stagnate. Owners can then sell these items to the highest bidder. 

By focusing on these core features, Yumerium can make game development cheaper and easier than ever before. At the same time, the quality of games increases, as gamers have a greater voice in which games they want to play. The economy uses YUM tokens, the Yumerium currency, to facilitate and keep an authentic record of all transactions, whether it be a reward for a gaming achievement, compensating popular influencers, funding the next great game, or purchasing scarce assets. Early adopters of Yumerium will receive bonus YUM tokens to diversify participation in the system.

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  • Token details

    • Token symbol ? Token symbol — a shorten token name. It is used during an ICO and after the coin listing at the cryptocurrency exchanges. : YUM
    • Fundrasing target ? Fundraising target — the maximum amount of funds to be raised during an ICO. When it is reached, the developers stop selling the tokens because they do not need to raise more money for the project development. : 20,000,000 USD
    • Token type ? Token type — a platform for a startup launch that influences the stability of blockchain operation, the speed of transactions and the fees. :Ethereum (ERC20)
    • Soft cap ? Soft cap — the minimum amount of funds to be raised for the project development. Sometimes when the soft cap has not been reached, the money is returned to the participants. :3,000,000 USD
    • Role of token ? Role of Token — type of token depending on the opportunities it offers to its owner. Utility tokens give their owners a right to use the project services, security tokens are aimed at bringing profit, and currency tokens are a money substitute. :Utility token
    • Total supply ? Total supply — a total amount of tokens that will be released by the developers. :633,813,700 YUM
    • Escrow agent ? Escrow agent — a qualified agent who has the right of signature in a multisig wallet. An escrow agent participates in an ICO, monitors the financial operations of the developers and confirms their fairness. :No
    • Tokens for sale ? Tokens for sale — the number of tokens offered to the participants of an ICO. :316,906,850 YUM
    • Whitelist ? Whitelist — a list of participants, who get an opportunity to buy tokens. To be whitelisted, you need to register on time because the number of participants and the registration period are usually limited. :Whitelist Closed
    • Additional emission ? Additional emission — an additional release of tokens. It can be done once after the crowd sale or on an ongoing basis. In the projects with a limited emission there is no additional emission. :No
    • Exchange listing ? Exchange listing — an assumed date when the token will be listed at a cryptocurrency exchange. The developers usually indicate it in a roadmap and a white paper. :NA
    • Accepting currencies ? Accepting currencies — cryptocurrencies and fiat currencies that can be used for buying the project tokens. :BTC, ETH, USD,
    • Can't participate ? Can't participate — the countries where it is prohibited to buy tokens. These can be countries where ICOs are prohibited altogether, or countries that have the requirements that a particular project does not meet. :Canada, China, New Zealand, USA,
    • Know Your Customer (KYC) ? Know Your Customer — a verification procedure for ICO participants, during which the developers can ask for personal data, a photo and a scanned copy of a passport of a potential investor. :Yes
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  • Token and Funds Distribution

    Token distribution date


    Unsold tokens

    Any unsold tokens will be distributed as token rewards within Yumerium games.

      • Token Distribution

        • Funds Distribution

      Sale schedule

      Round Token Price Bonus Min / Max Purchase Soft Cap Hard Cap
      Main Sale — Ended
      26 Sep 12:00 UTC
      10 Oct 12:00 UTC
      0.1 USD 5% 0.1 ETH - 7000 ETH 3,000,000 USD 20,000,000 USD
      Pre-Sale — Ended
      24 May 00:00 UTC
      10 Jul 00:00 UTC
      0.1 USD 10% - 30% 0.1 ETH - 7000 ETH 1,000 USD 2,000,000 USD

      *1st Pre-Sale : 5/24 ~ 6/9 = 30% bonus
      *2nd Pre-Sale : 6/9 ~ 6/25 = 20% bonus
      *3rd Pre-Sale : 6/25 ~ 7/10 = 10% bonus

      Read more about vesting and bonus
      • Team

        • Jikhan Jung photo
          Jikhan Jung
          Founder & Chief Executive Officer
        • Francisco Martin photo
          Francisco Martin
          Chief Technology Officer
        • Jaehyun Lee photo
          Jaehyun Lee
          Chief Security Officer
        • Un Sung Yoo photo
          Un Sung Yoo
          Software Engineer
        • Sean Yoon photo
          Sean Yoon
          President and Chief Operating Officer
        • Jayne Kim photo
          Jayne Kim
          Director of Business Development
        • Won Sang Choi photo
          Won Sang Choi
          Chief Growth Officer
        • Khoi Le photo
          Khoi Le
          Game Programmer
        • Hyunho Lee photo
          Hyunho Lee
          Visual Designer
        • Brenna Von Kleist photo
          Brenna Von Kleist
          Sound Designer
        • EunYong Choi photo
          EunYong Choi
          Director of PR
        • Kyuri Kim photo
          Kyuri Kim
          Social Media Specialist
        • Shreyas Vaidya photo
          Shreyas Vaidya
          Software Development Intern
        • Eduardo Carrillo photo
          Eduardo Carrillo
          Marketing Intern
        • Joyce Zhao photo
          Joyce Zhao
          Marketing Intern
        • Helen Chang photo
          Helen Chang
          Marketing Intern
      • Advisors

        • Mitch Liu
        • Noriyuki Hirosue
        • Suyong Park
        • Matthew Lee
        • Koji Sakamoto
        • Andy Le Tong
        • Sungwoo Lee
        • Kohei Ogawa


      • January 2017
        Subdream Studio Launched
      • April 2017
        Released Mega Overload
      • June 2017
        Released Kingdom Watcher
      • October 2017
        Released Hell Dimension
      • November 2017
        Expanded into Offline Game Arcade
      • March 2018
        Yumerium private sale
      • May 2018
        Yumerium public sale
      • July 2018
        Update one game to use Yumerium token
      • Q3 2018
        Release all Subdream Studios games with YUM
      • Q3 2018
        Native Yumerium token release
      • Q4 2018
        Release Yumerium game, CryptoMine
      • Q4 2018
        Launch selected third party games
      • Q1 2019
        Broad adoption with third party games