All of them, I've never played a F2P game that I've thought "This has not been downgraded by being based on Microtransactions."
Apart from Planetside 2, haven't played that, kind of saving it as a game to actually play on PS4.
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You should try [url=http://www.quakelive.com/]Quake Live[/url]. It's literally a free version of Quake 3 Arena. There are no micro-transactions at all.