an example of good/properly done F2P is #GuildWars2. You can pay to get extra in-game stuff, but I never felt the need to do it :)
@number473 there's also a "gem shop" in the game ;) I don't use it, but I'm sure many people do
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@number473 there's also a "gem shop" in the game ;) I don't use it, but I'm sure many people do