Terraria
The most content-dense purchase in gaming, and the most generous developer on this list.
Fifteen years on, still the best money in online gaming — one payment, infinite worlds, and a server culture no publisher could design.
There is a version of this list where Minecraft is first, and the only reason it is second is that Roblox is simply larger. On every other axis — design, generosity, longevity, the sheer amount of human creativity it has catalysed — Minecraft is the best online game ever released, and it is not an especially close contest.
The remarkable thing in 2026 is how little the core has had to change. You punch a tree, you make a bench, you make a pick, you go down. That opening hour has taught procedural problem-solving to a generation, and it still works because it was never built on novelty. Everything since — the Nether overhaul, the caves and cliffs rework, the trial chambers, the steady drip of mobs and biomes — has been additive to a loop that was correct the first time.
Minecraft's server culture is the closest thing online gaming has to a public commons. Small survival realms shared by six friends; enormous minigame networks running skyblock and bedwars for tens of thousands; modded packs that rebuild the game into an automation sim or a fantasy RPG; and the long-running anarchy servers where a decade of griefing has produced actual archaeology. None of this was designed by Mojang. All of it exists because the game shipped open enough for people to build it, and because a single purchase buys admission to all of it.
The criticisms are real but small. Vanilla combat has been mediocre since the 1.9 rework and remains so. Java's performance is indefensible for the fidelity on screen — you will install a rendering mod, everyone does. And the Java/Bedrock split still forces a choice at purchase that no player should have to reason about, with mods on one side and cross-play with phones and consoles on the other.
Bedrock's marketplace is the one place the modern monetisation playbook has crept in, and it is aimed at exactly the audience least equipped to resist it. But the core game remains untouched by it: no battle pass, no seasonal FOMO, no currency. In a list where nearly every other entry is engineered to extract a monthly figure from you, Minecraft asks once and then leaves you alone for fifteen years. That is worth a point on its own.
The most content-dense purchase in gaming, and the most generous developer on this list.
The biggest platform in online gaming, and the least reviewable. Judge the experiences, not the launcher.
Extraordinary craft at a low price, still in early access after five years and still worth every penny.