У вашего броузера проблема в совместимости с HTML5
This is the second of two tutorial videos on creating a textbox system in Game Maker Studio 2. We expand on the basic system from part one and build more features such as multiple pages of dialogue, multiple NPCs, an inheritance system for rapid prototyping, colour customisation options, a typewriter effect, and a "skip" function.
Here I am in other places:
Twitter: https://twitter.com/friendly_cosmo
Patreon: https://www.patreon.com/friendlycosmonaut