// CGN3 - Cloud Gaming Notes Episode 3 - Inventory and Economy

In this third episode of the Cloud Gaming Notes series, Chris Reddington and Lee Williams load up Sea of Thieves to talk through the cloud engineering challenges behind one of gaming’s most critical systems: inventory and economy.

Key topics covered in this episode:

• Persistent player state — how modern games use cloud storage to ensure that every item, currency balance, and progression milestone is preserved across sessions and devices without the player needing to manage saves manually
• Inventory architecture — treating in-game objects as first-class cloud entities, and the relationship between in-game mechanics (swords, loot, ammo) and the backing data stores that represent them
• Economy design — structuring in-game currencies, rewards, and progression loops so they remain balanced, fair, and resistant to exploitation
• Azure Cosmos DB and PlayFab — choosing between building a custom inventory data layer on Cosmos DB versus adopting a fully managed gaming backend like PlayFab, and the trade-offs each approach involves
• Live Ops — continuously updating and evolving game content post-launch, and how cloud infrastructure supports rapid deployment of seasonal events, balance patches, and new rewards without server downtime
• Cross-platform and cross-device — designing inventory systems that follow a player from console to PC to mobile via cloud synchronisation
• Community and monetisation — how a well-designed economy builds long-term player engagement, supports streaming audiences, and opens monetisation opportunities for publishers

Next in the series: a conversation with Dominic from Australia on building a social Sudoku game with PlayFab.