Meccha Chameleon, the indie stealth game from Japanese solo developer lemorion_1224, has crossed 10 million copies sold worldwide just 16 days after launch. That makes it one of the fastest-selling Steam hits of the year, and it has already left much bigger-budget releases trailing in the dust.
The game’s climb has been absurdly fast from the start. It hit 1 million copies in four days, 2 million in five, 3 million in six, 5 million in nine, and 7 million in twelve before breaking through the 10 million mark. That kind of acceleration usually belongs to franchise giants with marketing armies, not a quirky Steam-only title about hiding in plain sight.
How Meccha Chameleon beat the big releases
Analyst Daniel Ahmad of Niko Partners says that makes Meccha Chameleon the fastest-selling game of 2026 so far, ahead of titles such as Slay the Spire 2, Subnautica 2, Resident Evil Requiem, and Crimson Desert. The comparison is telling: the market keeps rewarding games that are instantly legible on streams, and this one is tailor-made for clips, reactions, and viral chaos.
That online visibility has clearly done a lot of the heavy lifting. Meccha Chameleon is especially popular with streamers and video creators, which is now one of the cleanest routes to breakout sales for indies. The lesson is unglamorous but obvious: if your game generates watchable moments, the internet will do part of your launch campaign for free.
Steam reception and player count
The game debuted on 10 June exclusively on Steam for 290 rubles in the Russian segment. It has since collected 25.4 thousand ”very positive” reviews, an 83% rating, and peaked at 340,000 concurrent players. For a stealth game built around hiding by blending into the environment, that’s a very loud entrance.
lemorion_1224 has also kept the momentum alive with a steady stream of patches, including fixes, improvements, and new content. A ”relatively large new feature” is due today, 26 June, which suggests the developer is leaning hard into the live-service-style habit of feeding a hit while the audience is still hungry. The safer bet now is that Meccha Chameleon keeps climbing, even if matching this opening sprint gets harder by the day.