The phrase 'free to play' has taken on a meaning close to 'expensive eventually', and that reputation is largely earned. But a handful of games have run this model for a decade or more without selling power, without engineering scarcity, and in a couple of cases without asking for anything at all. They deserve naming.
Dota 2
Valve gives you every hero, permanently, from the moment you install. Not a rotation, not a starter pack — the entire roster, which is well over a hundred and twenty characters. Its main competitor makes you grind or pay for the same thing. Thirteen years of holding that line, and the money comes entirely from cosmetics.
Warframe
The premium currency is tradeable between players, which means a patient player farms items, sells them to other players for platinum, and buys everything they want without ever opening a wallet. Digital Extremes has shipped thirteen years of expansions free. The only cost is time, and there is a lot of it.
Path of Exile 2
Free, with no power for sale, in a genre where the temptation to sell stash space as power is enormous. Grinding Gear's model is cosmetics and storage — and yes, you will eventually buy stash tabs, which is the one honest asterisk. It is still the most build-expressive ARPG ever made, given away.
Rocket League
Free since 2020, and the physics are identical for everyone regardless of spend. There is no loadout, no unlock, no statistical edge. Every match is decided entirely by skill, which is rarer than it should be.
Counter-Strike 2
Free, with no purchasable advantage of any kind. We have plenty to say about the skin gambling economy attached to it — see our review — but the game itself asks nothing, and Prime at fifteen dollars is a one-off.
Marvel Rivals
The battle pass does not expire. Buy it, finish it in your own time, no clock. In a category built on seasonal urgency, that is a genuinely unusual decision and worth rewarding.
Old School RuneScape's free tier
Not the full game — membership unlocks most of it — but the free tier is a substantial, complete game in its own right, and it is bound by a polling system that gives paying players a binding vote on updates. Nothing else in commercial gaming works like that.
The common thread is that all of these sell cosmetics or convenience and none sell outcomes. If you want a single rule for judging a free game before you install it: find out whether anything purchasable changes what happens in a match. If it does, that is not a free game, it is a paid game with a trial.