# Grug's Lair > We Build Sports Oriented Digital Playgrounds. Grug's Lair is a blockchain game studio building fully onchain, mobile-first games on Starknet. Grug's Lair is a UK-based game studio that develops fully onchain games on Starknet, targeting both crypto-native players and Web2-curious audiences. Users can play tactical turn-based games including Blob Arena and Rising Revenant, which record all game logic and outcomes on-chain. The studio pivoted from a Web3 gaming guild in 2020 to a full game development company in late 2023. - Type: Company - Sector: Gaming - Status: Active - Founded: 2023-01-01 - Profile: https://thegrid.id/profiles/grugslair ## Products - [Blob Arena](https://thegrid.id/profiles/grugslair): Blob Arena is a fully onchain, turn-based tactical fighting game on Starknet where players command blob-like fighters called Bloberts. The game records all moves and outcomes on-chain and supports Arcade (solo), PvP, and League modes. Players can access the game via browser without prior crypto experience using a passkey or Discord login. (Game, Live, Main Product) - [Rising Revenant](https://thegrid.id/profiles/grugslair): Rising Revenant is a fully onchain dark fantasy strategy game on Starknet where players build outposts, summon Revenants, and face world events in a last-man-standing format. All decisions are recorded on-chain, giving each move permanent consequences. The game is built using the Dojo engine within the Realms ecosystem. (Game, Live) ## Assets - [Grug's Lair (GRUG)](https://thegrid.id/profiles/grugslair): GRUG is a collection of 1,000 ERC-721 PFP NFTs on Ethereum representing membership in the Grug's Lair gaming community. Holders receive access to the Grug's Lair Discord, DAO, and play-to-earn guild. The collection launched in February 2022 as the founding membership token before the studio pivoted to game development. (NFT) ## Links - [Main](https://www.grugslair.xyz) - [Blog](https://medium.com/@grugslair) - [Twitter / X](https://x.com/GrugsLair) - [GitHub](https://github.com/grugslair) - [Discord](https://discord.com/invite/gDyJBYUNDq) - [YouTube](https://www.youtube.com/@grugslair) - [Medium](https://medium.com/@grugslair) ## Legal This data is provided under two licensing models. Model 1 - open data. The open data core is licensed under the Open Database License (ODbL) — a copyleft/share-alike license allowing free use, modification, and sharing for any purpose. Attribution is required: include "Powered by The Grid" linking to https://thegrid.id wherever the data is used. Derivative databases must be shared under ODbL terms. Trademarks, logos, and brand names (marked "Special TPIP") are not covered by the ODbL. For ML/AI use: training datasets that substantially extract ODbL data are Derivative Databases and must be shared under ODbL if publicly used; models must be attributed in documentation. Model 2 - commercial licenses. The Grid Data Service (TGDS) is also available as a commercial license. See [Web Services Terms](https://about.thegrid.id/legal/web-services-terms) for commercial use that is not covered by the open data service. The following applies to both licensing models. - All data is provided AS IS with no guarantees of accuracy. - The Grid does not provide investment, legal, or tax advice, and - a project's presence in The Grid's data does not imply endorsement. - [Data Licensing & Disclaimers](https://about.thegrid.id/legal/data-licensing-and-disclaimers): Licensing models and disclaimers - [Open Data (ODbL)](https://about.thegrid.id/legal/open-data): Open Database License terms and scope for The Grid's open data service. - [Attribution Guidelines](https://about.thegrid.id/legal/open-data-attribution-guidelines): How to attribute The Grid's data when using the open data service. - [Web Services Terms](https://about.thegrid.id/legal/web-services-terms): commercial Terms for using data services. - [All Legal Documents](https://about.thegrid.id/legal): Full index of terms, policies, and disclosures ## Optional - [TGS Field Descriptions](https://github.com/The-Grid-Data/workspace-public/blob/main/references/tgs-field-descriptions.md): Schema field definitions for The Grid's data model - [TGS JSON Structure](https://github.com/The-Grid-Data/workspace-public/blob/main/references/tgs-json-structure.md): Data model structure and relationships - [Product Type Definitions](https://github.com/The-Grid-Data/workspace-public/blob/main/references/product-type-definitions.md): Definitions for each product type - [Product Type Classification](https://github.com/The-Grid-Data/workspace-public/blob/main/references/product-type-classification.md): Guide for classifying products into types - [Grid MCP Guide](https://github.com/The-Grid-Data/workspace-public/blob/main/grid-search/skills/grid-query/references/grid-mcp-guide.md): How to query The Grid programmatically via MCP