As an example, I will provide my answers:
[b]The Last Of Us[/b], [b]No Man's Sky[/b] and various JRPG games make me want to get a PS4.
[b]Niche[/b], [b]Black Desert Online[/b], [b]Dual Universe[/b] and [b]Minecraft[/b] with mods make me want to get a (good) gaming PC.
[b]Super Smash Bros. 4[/b] and [b]Xenoblade Chronicles X[/b] make me want to get a Wii U.
[b]Halo[/b] keeps me on Xbox.
[b]Fire Emblem[/b] and [b]Pokemon[/b] keep me on 3DS.
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Last of Us is probably the only one, maybe Uncharted.