I just realized I worded that poorly. I meant that games like Zelda and Metroid do support it, other games don't because there isn't much to randomize (such as

I just realized I worded that poorly. I meant that games like Zelda and Metroid do support it, other games don't because there isn't much to randomize (such as platformers, given these tools generally can't create random levels, just swap item locations).