According to Wikipedia, an American producer wanted to do a Battle Royale remake.

Then the internet went “wtf no” and it got shelved.

And then The Hunger Games came out and…

In March 2012, Roy Lee reported that a remake of Battle Royale would no longer be possible due to the release of The Hunger Games, stating that “Audiences would see it as just a copy of ‘Games’ — most of them wouldn’t know that ‘Battle Royale’ came first. It’s unfair, but that’s reality.”

Oh noes.

People might think an unnecessary, probably whitewashed, Americanized adaptation is unoriginal.