Those Assassin's Creeds and Far Crys and Grand Theft Autos had to come from somewhere.

In his video, YouTuber XboxAhoy takes a look at how games like the original Zelda, 1984's Elite, or the legendary Ultima series contributed to open world and sandbox games as we know them today. There's bits about some truly obscure titles in here, so even if you consider yourself a gaming history expert, there should be something new for you to learn. Have a look:

Ahoy also recently uploaded a complete edit of his excellent five-parter series on game graphics from last year, so make sure to check that out if you originally missed it:

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