Reaper2k2 has opened a new website dedicated to web games on the Dreamcast, heres what is says:

Welcome to DCwebgames 2 september Site open

Let me tell you a bit about what I have for you.
This page will have games and apps I’ve written in JS (JavaScript) and HTML
for the Dreamcast WebBrowser.
I have a few working, but with some bugs. All of the games can be tryed in IE3 and up.
I have lots of testing to do with Planetweb to get them working right.
So far, I’ve gotten a Tetris clone working in Planetweb : version 3. I’ve also made a very simple
DCword processor. No saving as of yet, but I will try to implememnt it later.
Other ideas I have planned are:
– a 3d Bard’s Tale Myst interactive story adventure
– Slide puzzle
– Othello
– Text Adventure’s
– Chess
– Interactive multi meda games , like JS karaoke

and this update too:

New game: Purple Dragon slot machine.
I’ve been working on a 4 Reel machine with
graphics animations on the paywheels.
Since I’m trying to get every game working in PlanetWeb ,
it makes finding out what JS works with it hard.
All games I write should work with DreamPassport .
This game is the simplest JS and html as I can write to try make it work
on PlanetWeb with no problems.
This has nice graphics and you’ll see by the screen shot, I’ve taken
time making it as realistic as possible. So tell me via email, or the forum
what type of game you want me to write next, and ill give it a go

Thats excellent news from Reaper2k2, Check out his website that is now part of the DCEmulation network of sites HERE