Top 10 Blockchain Game Development Companies in Kolkata

Nextazy is a modern tech firm based in Chennai known for building simple, clean, and efficient digital solutions. Although their website doesn’t focus heavily on NFTs, their expertise in blockchain development, including smart contracts, token creation, crypto wallets, and DApps, makes them a viable option for NFT-related projects. Clients often highlight their ability to deliver lightweight, user-friendly blockchain apps with strong performance. Their approach is minimalistic yet powerful, ideal for startups looking for scalable and fast NFT integration with a seamless user experience.

Nadcab Labs is not just a blockchain game development company—it’s a global fintech powerhouse. Headquartered in India with operations in the UK, Nadcab Labs focuses on building secure, scalable, and regulatory-compliant blockchain solutions. What sets Nadcab Labs apart is its expertise in core blockchain technologies like Ethereum, Binance Smart Chain (BSC), and Web3 integrations. Their team of 160+ professionals works across continents, building decentralized apps (DApps), NFT-based games, and smart contracts that blend financial ecosystems with engaging user experiences. Their deep understanding of both blockchain protocols and user behavior makes them a leader in developing games that are not only fun but also financially rewarding.

DreamzTech Solutions is one of the oldest tech players on this list, with over a decade of experience and a global presence in the USA, UK, and India. While they offer a wide array of IT services, their blockchain division has been gaining ground, especially in game development. From NFT-based fantasy sports platforms to secure crypto wallets integrated within games, DreamzTech’s work is both versatile and visionary. They combine blockchain know-how with award-winning UX/UI design, making their games not just decentralized but also delightful to play.

While primarily a cryptocurrency mining company, BharatBTC is making waves in blockchain innovation that extends into gaming. With its mining infrastructure powered entirely by renewable energy, the company reflects a forward-thinking approach in all its ventures. Their deep roots in the crypto ecosystem allow them to understand token economies and decentralized infrastructures, crucial elements for blockchain games. BharatBTC’s involvement in blockchain gaming may be at an early stage, but its technical foundation and industry knowledge give it a strong footing to expand further.

Swaransh IT Solutions is one of the newer names on this list, but they’re already showing strong promise. Known for its patented QR code verification solutions and blockchain consulting services, this company is helping enterprises across sectors adopt blockchain in creative ways. In the realm of gaming, Swaransh focuses on building secure, transparent, and interactive environments using blockchain. Whether it’s identity verification in metaverse games or smart contract-based gameplay mechanics, they are positioning themselves as a key player in next-gen gaming infrastructure.

xSafar Technologies is a dedicated game development studio that specializes in mobile, web, NFT, and metaverse gaming. Their deep expertise with platforms like Unity and Unreal Engine gives them an edge in creating visually stunning and technically sound games. What makes xSafar unique is its proactive integration of blockchain tech into game mechanics. Whether it’s building NFT avatars, in-game marketplaces, or decentralized leaderboards, they create immersive gaming experiences powered by blockchain. Their work on metaverse projects and token-based economies sets them apart as a next-gen studio.

HashCash Consultants is a well-known global blockchain technology company with clients in over 26 countries. Headquartered in the USA with development teams in India, including Kolkata, they offer a range of blockchain solutions. In gaming, HashCash develops platforms that support NFTs, tokenization, and decentralized gaming economies. They also provide white-label solutions for game developers looking to enter the Web3 space quickly. With a strong emphasis on innovation and scalability, HashCash is a preferred choice for large-scale blockchain game development.

Brainium Infotech is a Kolkata-based tech company that’s known for delivering high-quality mobile and web solutions. Their blockchain division focuses on building custom DApps, smart contracts, and NFT-based systems. In terms of game development, Brainium excels at integrating blockchain features into both new and existing games. Their focus is on functionality, scalability, and security—three pillars that are essential for building blockchain games that work seamlessly in the real world.

BCTech Pvt. Ltd. is a growing blockchain development firm offering custom solutions tailored to client needs. With a focus on both public and private blockchains, they’re developing applications that solve real-world problems, including in gaming. Their approach to blockchain game development is rooted in creating transparent ecosystems where in-game assets can be owned, traded, and monetized by players. They’re also actively exploring areas like DAO-based gaming governance and cross-chain interoperability.

ITSpectrum Solutions is a full-service blockchain development company offering a wide array of services—from token creation and smart contract development to NFT marketplaces and crypto exchanges. In gaming, they’re focused on building play-to-earn ecosystems and NFT-driven game mechanics. With an experienced development team and a strong understanding of blockchain protocols, ITSpectrum offers complete game development services—from concept to launch—on Web3 platforms.