What's everyone's thoughts on a game you have to download onto your computer versus an in-browser game?

On one hand, an in-browser game is more accessible to people. However, a fully fleshed out game you download (think Hearthstone/LoL/Dota 2) gives developers more computer resources to use and more flexibility.

I'm currently at a pre-alpha stage for a stand-alone game that you'd have to download onto your computer.

Here's a short video of what I got so far: (Started coding 4 days ago)