This applies to the HTML5 client only.
1. Click the
"hamburger button" to open the menu, then click
Options.
2. In the options window, click
Advanced, then click
General.
3. Check the box next to
Use hardware acceleration when available, then click
OK.
4. Close all FireFox windows and wait for FireFox to exit completely, then restart FireFox.
On the other hand, if your FireFox is unstable and crashes a lot while playing the game, follow the same steps but
uncheck the box instead.
For best possible performance in FireFox, make sure hardware acceleration is on.
