True "browser versions" of Stardew Valley are rare, as the game's depth usually requires local processing. However, legitimate cloud services allow you to play via a web tab:
: If Steam is already installed but blocked, you can sometimes bypass the client by running the StardewValley.exe file directly from its installation folder. stardew valley unblocked
If the game is installed but you cannot access multiplayer or updates due to network filters: Play Stardew Valley Co-op remotely with Meshnet True "browser versions" of Stardew Valley are rare,
If you want to play the actual, official Stardew Valley (with the 1.6 update and multiplayer) but your network blocks the store: stardew valley unblocked
Many institutions block the installation of clients like Steam. To bypass this: