I started Idle Legacy because I couldn't find the idle game I actually wanted to play.
Most idle games are about numbers going up. That's fine — there's something deeply satisfying about watching a counter tick. But I wanted the numbers to mean something. I wanted to feel like I was building something real.
So I started sketching a game where your civilization actually looked like the era it lived in. Where the art changed as you progressed — from thatched huts and campfires, to Roman aqueducts, to castle walls, to factory smoke, to space launch pads. Where the historical events weren't just "+10% gold for 30 seconds" but things that actually happened: the Mongol invasions, the founding myths of Đại Việt, the Sea Peoples raiding Egypt's coast.
Then I hit the question every civilization game eventually has to answer: what does your society believe in?
At Era 6, Idle Legacy asks you to choose an ideology — Capitalism, Socialism, Theocracy, or Tech-utopia. Not cosmetically. Capitalism pays out two hours of banked production the moment you commit — high reward, no safety net, and you can't change your mind. Socialism trades ceiling for resilience: it wipes your negative effects on activation and carries your people through hard times, but limits offline income. Theocracy compounds every divine event your civilization ever touches — the longer you play, the more faith converts to power. Tech-utopia burns the present for an exponential future: lean early, transformative late.
I grew up in a country that lived through the real tension between these systems. That shaped how I designed them — not as "good" or "bad" choices, but as genuine tradeoffs. There's no correct answer. There's only the civilization you want to build.
I built all of it alone. Nights and weekends, in Flutter. Seven civilizations. Eight eras each. 350+ historical events. A prestige system. A research tree. Asynchronous PvP. Achievements. Daily quests. Full English and Vietnamese localization.
It took longer than I expected — it always does. But somewhere around the third civilization, writing event text for the Viking raids and realizing I was genuinely enjoying reading the history to get it right, I knew the idea was worth finishing.
Idle Legacy isn't the biggest idle game. But it's the one I wanted to exist. I hope it's the one you've been looking for too.
— Bao, solo developer
