У вашего броузера проблема в совместимости с HTML5
Super Mario Galaxy 21:9 3440x1440 gameplay using an i7 7700K @ 4.8Ghz and a GTX 1080 Ti.
Setup:
Dolphin 5.0-5209
Real Wiimote + Nunchuck
Direct3D 11
3440x1440 Fullscreen Resolution
Stretch to Window
6x Native (3840x3168) for 4K
4x SSAA
Hybrid Ubershaders
Per-Pixel Lighting unchecked, rest checked including Widescreen Hack.
HD Custom textures used. Make sure you selected Prefetch Custom Textures and Load Custom Textures in the 'Advanced' options tab. Prefetech Custom Textures will use a lot of system RAM.
No codes needed.
GPU utilisation is usually between 40 - 55%, so there is room to increase quality further or run the above settings on lesser systems.