Mewgenics pounces to 1M sold
Mewgenics launched on Thursday, and it’s blown up. It’s difficult, it’s uncompromising, a little risqué (okay, a lot risqué), and it’s bloody incredible. Let’s look at the Alinea estimates.
Mewgenics is a complex roguelite with grid-based tactical combat and a deep genetic simulation where you breed generations of cats to survive a brutal, hilarious world.
Mewgenics is the brainchild (brain-kitten?) of Edmund McMillen and Tyler Glaiel. But some handpicked devs from their community, who truly understood what the lads were going for, were also involved.
That kind of community recruitment was exactly what introduced McMillen (The Binding of Isaac, Super Meat Boy) to Glaiel. Glaiel was an Isaac community modder who impressed McMillen by adhering to his vision for the ruleset.
The labour of love has been a resounding success on Steam. Our estimates show that Mewgenics just passed 1M copies in a week (!!!), generating close to $25M in gross revenue.
Anyway, Mewgenics is the game the team wanted to make. No following market trends, no compromising on their vision – just the culmination of McMillen and Glaiel’s several years of making great games that resonate with their like-minded community.
This story is unique, and only a few select indies can emulate this success, but the story – and the game – is still well worth diving into.
After nearly 14 years of development hell, Mewgenics became profitable in three hours and passed 115K Steam concurrents in its first week – and more than 450K daily active users, as per our estimates.
In terms of CCUs, it’s managed to pass Hades 2, whose Steam CCUs brought together tens of thousands of early-access players for the 1.0. Wild.
Mewgenics is the best-selling 2026 game so far (by copies sold)
According to our estimates, Mewgenics is the top new 2026 game by copies sold across Steam, PlayStation, and Xbox (and it’s only available on Steam – for now).
You can see this in the screenshot below, showing the all-platforms view in the Alinea platform:
And it’s the #2 2026 Steam game by revenues so far, too, only below the $70 Nioh 3, which Mewgenics might even pass on Steam given its current momentum.
Mewgenics is resonating from West to East, with its top countries being the U.S., China (without localisation!), and Russia.
Our data shows that Mewgenics still has a ton of wishlists, including over a third in price-sensitive emerging markets. Imminent price drops will keep converting these to buyers over time, if The Binding of Isaac is anything to go by (it is).
A unique, unreplicable success story
Rather than pursuing a traditional AAA marketing campaign, McMillen spent months – years, really – engaging directly and organically with the community via Reddit AMAs and livestreams.
This relationship with the community has really paid off. Our Steam overlap data shows that 70% of Mewgenics players also own Edmund McMillen’s previous hit, The Binding of Isaac: Rebirth.
To put that audience loyalty into perspective, the only two titles with higher player crossover are Counter-Strike 2, a ubiquitous platform staple, and Terraria, which is currently approaching the 40M milestone.
I’ve noticed a few “this game came out of nowhere” takes circulating online. While I understand why observers might think that (this one’s really only been on the radar of fans), the reality is that the overwhelming success of this indie is a direct result of McMillen and his collaborators’ years of focused effort.
Some fans – myself included – have been following McMillen’s work for two decades now. Before Super Meat Boy’s breakout success, McMillen made web games on Newgrounds. He fostered a sizeable audience here long before the rise of modern distribution.
This community-first approach (community is everything), combined with the choice of skipping the in-vogue Early Access strategy in favour of a massive 200-hour launch version, has paid off among the core audience.
Mewgenics has arrived as a polished, complete (even though there’s more to come) package. Masterpiece, dare I say.
Of course, there’s plenty of crossover with roguelites like:
Slay the Spire (played by over half of Mewgenics players on Steam).
Balatro (played by 48%).
Hades (played by 46%).
There’s significantly less crossover with other tactics games, though; only 12% of Mewgenics players previously played XCOM 2, while a mere 6% played Into the Breach. But that’s because Mewgenics is a lot more than just a roguelite spin on a tactics game.
While half of the Mewgenics players have played Baldur’s Gate 3 on Steam, Larian’s magnum opus was a global cultural zeitgeist with 21M copies sold (and little shared mechanical DNA with Mewgenics, really).
Mewgenics’ success so far is a purrrrrrrfect storm (sorry…) that combined a decade of community anticipation with a truly unique, truly awesome gameplay loop. More on that in a bit.
Still, the main driver of Mewgenics’ success is inertia from McMillen and Glaiel’s previous games and community-driven approach – rather than the reductive narrative of merging two distinct game types.
But once players are in, they are in. Players are really sinking hours into this one.
Over a fifth of Mewgenics players have played for 20 hours or more (in a week!)
The Alinea platform screenshot below shows Mewgenics’ playtime distribution as of 16 Feb:
As you can see, over 20% of the player base has already logged more than 20 hours of playtime within the first week of launch. That’s huge.
This is no surprise to me. Mewgenics’ has so much longevity already, creating a cycle of engagement that’s bloody difficult to break. There are a few reasons for this, but I’m sure I’ll discover more:
The systems-heavy combat: With over 1,000 unique abilities and 900 items, players are encouraged to experiment with “broken” character builds and deep optimisation. It’s moreish.
High stakes: Mewgenics has permadeath for the cats, so a single wipe can destroy a genetic line cultivated over several hours. This creates a high-tension loop where every decision carries weight. Unlike faster-paced roguelikes, Mewgenics demands a slower, more methodical approach, with runs often exceeding an hour and quitting mid-session being practically impossible (for me, anyway).
The breeding simulation only adds to Mewgenics’ very strong one-more-go effect. Success in the latter game needs long-term genetic planning, as mutations and traits are passed down generations. The process of engineering the perfect cat for a subsequent run is incredibly addictive (and time-consuming, in a good way).
And then between runs, the roguelite elements kick back in, making it nigh-on impossible to stop playing.
The learning curve seems steep at first, and some players will inevitably churn during the first few hours (it’s not for everyone). This is a conclusion the devs came to during the alpha testing, as you can see in this tweet from Glaiel:
With Edmund McMillen estimating over 200 hours to finish the game and 500+ hours for full completion, our early playtime numbers indicate that the community is settling in for the long haul. I can see the playtime distribution for the full game looking more like the alpha’s.
The cat is finally out of the bag. In an industry obsessed with chasing the next trend, Mewgenics proves that deep mechanical complexity and decade-long community trust are a kitty-damn-good competitive advantage (had to, didn’t I?)
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Great! Another game to add to my Steam Deck backlog, once I get through my PS5 backlog, after I get through my PC backlog…
Great write up, Rhys. Though not a player of Super Meat Boy or Isaac, I’ll be picking this up at some point. Always rooting for devs like this. Whether I play it for an hour or 100, I want to support the passion on display.