Quick answer: The best platform is wherever your specific audience already is and where your content format works—not whichever is trendiest. Pick one or two you can sustain consistently rather than spreading thin across all of them.
Indie developers agonize over which social platforms to use for marketing, and the honest answer is less about ranking platforms than about matching them to your audience and your capacity. The 'best' platform is the one where your players actually are and where you can consistently produce content that works—and trying to be everywhere usually means being effective nowhere.
Match the platform to your audience and content
Different platforms host different audiences and reward different content, so the right one depends entirely on your game and your strengths. A visually striking game with great moving moments thrives where short video and GIFs spread; a game with a dedicated niche may do best in the communities and forums where that niche gathers; a developer who's a natural writer might build an audience through long-form posts, while one who's comfortable on camera might thrive on video. There's no universally best platform—there's the platform where your specific potential players congregate and where the content you can realistically produce performs well. Identifying where the audience for your kind of game actually spends time, and which content format plays to your abilities, points you to the platforms worth your effort far better than any general ranking of what's popular.
Consistency on one or two beats spreading thin across all of them. The instinct to maximize reach by being on every platform is a trap, because each platform demands consistent, native content to work, and a developer stretched across six platforms produces neglected, sporadic content on all of them that builds nothing. Picking one or two platforms that fit your audience and content, and showing up on them consistently, compounds an audience in a way that scattered presence never does, because audience-building rewards the steady, repeated contact that only focus makes possible. It's far better to be genuinely present and consistent on a single well-chosen platform than to have abandoned accounts on many. This also makes the work sustainable—maintaining a real presence on one platform alongside actually developing your game is achievable, while doing it on many is not, and the unsustainable approach collapses. The best social media strategy for most indies, then, isn't about finding the one magic platform but about identifying where your audience is, choosing the one or two that fit, and committing to consistent presence there over time. Trendiness is a distraction; audience fit and sustainable consistency are what actually build the following that helps your game.
Plan for the parts you can't see
Once a game leaves your machine, a lot of what happens to it becomes invisible by default. Players run it on hardware you don't own, hit problems you never reproduced, and most of them never tell you — they simply move on. The gap between 'it works for me' and 'it works for everyone' is where a surprising amount of churn quietly lives.
So plan to see what you otherwise couldn't. Watching real players, capturing the bugs and crashes they hit with the context to fix them, and paying attention to where they drop off all turn invisible problems into ones you can actually act on — which protects the reviews and retention everything else depends on.
Consistency beats intensity
Indie development is a long game, and it rewards steady, sustainable effort more than heroic bursts. A little progress made consistently — on the game, on the marketing, on the community — compounds in a way that last-minute sprints never do. The developers who finish and find an audience are usually the ones who kept showing up, not the ones who worked themselves into the ground for a week and then burned out.
Build a pace you can sustain, and protect it. Momentum is fragile and expensive to rebuild, so steady forward motion is worth more than any single intense push.
Let real players be the judge
It's remarkable how differently real players behave from how you imagine they will. The tutorial you think is obvious confuses them; the feature you agonised over goes unnoticed; the thing you almost cut becomes their favourite. None of that is visible from inside your own head, which is why watching real people play is the single highest-leverage thing most developers under-do.
Watch without intervening, resist the urge to explain, and pay attention to what players do as much as what they say. Their confusion and their choices are data, and acting on that data is what turns a game that works for you into one that works for everyone.
Polish where players actually look
Polish is not evenly valuable. Players form an impression in the first minutes and spend most of their time in the core loop, so effort spent there returns far more than effort spread thin across content few people reach. The opening, the moment-to-moment feel, and the things every player touches are where polish converts directly into how good the game feels.
Be deliberate about it. Make the first impression strong and the core interactions satisfying before widening out, because a great core with less content almost always beats a sprawling game that never feels good to play.
Scope is a decision, not an accident
Almost every overscoped game got that way one reasonable addition at a time, with no single decision ever feeling like the mistake. The finish line recedes a little with each new feature, and because the project always feels nearly done, the developer rarely notices how far the goal has drifted until they're exhausted and the game still isn't out.
Treat scope as something you actively decide rather than something that happens to you. Write down what the finished game contains, make every addition a conscious trade against that, and keep most new ideas in a backlog where they belong — because a small game you finish beats a large one you abandon.
The best platform is where your audience already is and where you can post consistently. Pick one or two, not all of them.