I've been working on and off of the HTML5 version of the game. I've got a 3D modeller working from the old 2D game assets. See below some Tweets of the models in their basic shapes. He still needs to texture and animate them, but this should give you a feel for them.

Model Previews
https://twitter.com/NovaArdent/statu...57612162576384
https://twitter.com/NovaArdent/statu...22311271002112

Source Code
The game is fully open-sourced on my GitHub and any contributions would be greatly appreciated:

https://github.com/Enijar/Tactics-Arena

Technical Details
Server is built in NodeJS
Frontend is built in ReactJS
Game is built in ThreeJS

Current Progress
Authentication (login/register)
Real-time chat
Chat commands (/stat, etc.)
Floors
Arena player placement (needs improvement and real-time implementation)

I've created a Trello board for anyone willing to help in design or development (any help will be really appreciated).

https://trello.com/b/TcYCEPOk/tactics-arena-game