У вашего броузера проблема в совместимости с HTML5
In this video I examine the construction and design decisions behind a fully finished platform game, aimed at the speed running community, combined with procedurally generated levels and exploration action.
You can download and play it here: https://onelonecoder.itch.io/saving-sedit
Source: https://github.com/OneLoneCoder/olcPixelGameEngine/tree/master/Videos/SavingSedit
YouTube: https://www.youtube.com/javidx9
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Homepage: https://www.onelonecoder.com