DHTML
Website name
Notes
All non-"legacy pop" games work in Firefox 1+, Internet Explorer 6+, Netscape 6+ and Opera 7+.
Java
Microsoft Silverlight
Website name
Notes
A list of programs made via Small Basic. Most of that web page's program links will take you to its corresponding page on the Small Basic website to run it in Microsoft Silverlight.
HTML5 games are also hosted. However, all of the games from that website I've tested with it are hosted externally.
Shockwave Player
Unity Web Player
VRML
Notes
Four games (Mastermind, Cubes Puzzle, Tower of Hanoi and Grand Mastermind) and two programs (Turing Machine and House; the latter contains games and puzzles) are available. As for the "Also in two dimensions" versions, Grand Mastermind runs in HTML, and Turing Machine is lost.
The Japanese version, which has five games (the English one is missing "Evening! Landing") and two versions of the other games, one of which is a "New Game Web" version.