Unscrupulous app makers are currently flooding the App Store with an average of 15 new clones of Threes!, and its browser-based adaptation 2048, every single day.
They have names like Threes Saga, Twos, 2048 Candy, and 2048 - Addictive Number Matching Puzzle Challenge Game.
Most have you combining numbers.
Others, however, see you matching Klingon characters, Doges, and shirtless photos of a Brazilian DJ.
We looked at all the iOS games released from Monday, March 31st to Saturday, April 5th.
About 11 new rip-offs hit the App Store each day, culminating in a massive 27 obvious knock-offs on Saturday.Searching for '2048' on the App Store
It's not quite at the same level as Flappy Bird clones, where at one point we calculated there were about 60 new iOS clones a day. The difference here, however, is that the original game is still live on the App Store.
These tile-sliding games all owe their existence to Threes!, the Gold Award-winning number cruncher from February.
Roughly 21 days after the launch of Threes!, a clone called 1024 hit the App Store. Soon after that, a clone of that game, called 2048, was launched on the web. These new 2048 rip-offs, then, are clones of a clone of a clone of a game.
Threes! creators Asher Vollmer and Greg Wohlwend have talked about these games over on their blog, calling 2048 "a broken game".
"We do believe imitation is the greatest form of flattery," the pair say, "but ideally the imitation happens after we've had time to descend slowly from the peak - not the moment we plant the flag."Results for 'Threes' on the App Store
Want more? Check out our 13 other Threes! news stories!