Quintillion Quest blends roguelike decision-making with incremental mechanics, letting you chart your own path toward massive number growth through button presses and strategic choices. Each run offers branching options—from straightforward combat to economy-breaking schemes—that genuinely shape your progression, with new mechanics and content unlocking as you advance. The gradual revelation of systems, paired with polished animations and character writing, creates a sense of discovery that rewards experimentation across multiple playthroughs.
About this game
A non-linear active incremental game. Press buttons, make numbers go bigger. And even bigger. Will you fail the run or reach a quintillion?
Players, last 30 days
Peak 1 · Low 0
Daily peak concurrent players, sampled once a night from Steam.
What players are saying
▲ Recommended6 hrs
Imagine a rogue-like being mixed with a clicker incremental game, but the choices actually matter.
There is no "right path" to take and coming up with different strategies becomes very addicting. It really is as simple as beating some rats in a forest or as complex as breaking the economy by exploiting the town investors, you choose how you do it
Honestly, this is a really cool experience that gave same feelings when first discovering Stardew Valley. Takes a little bit of figuring things out at first but each step unlocks something new and suddenly things start clicking.
Quintillion quest is surprisingly content heavy and just keeps expanding while you play. Every phase introduces a bunch of new options and it feels like there are dozens of things unlocking all the time. When you think you have got it figured out the game adds another layer and keeps it interesting.
Restarting feels rewarding because of the upgrades you unlock, which make the next run smoother and let you progress faster and gives that “okay, one more try” feeling.
I also liked that even though everything keeps scaling up with bigger and bigger numbers the most important resource in the game ( social energy ) never increases. That makes you think carefully about how to use it instead of just spamming every option.
The demo version of the game is now available in the following languages:EnglishJapaneseSimplified ChinesePortuguese (Brazil)The update also features various smaller changes to the the game mechanics.
The demo version of the game features 11 of the 50 in-game days that the full version will have.The progress made in the demo version will persist to the full version of the game.
Posts come from Steam's official announcements feed.
