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Sorry Im New Here:But Why Are The Sizes So Big Last Time They Weren't as big as 67108864
Can Someone Help Me? it Was Most of The Games

What games? What systems?Files vary in size depending on what they are. NES and other Retro games are extremely small, a few hundred KB max.
NDS games range from 8-256MB.
PSX, and other CD games go from 600MB to a few GB in size.

Apllo justice (DS)
It's Size Is way past 8-256mb it's game size it's 67108864(?)
exact

https://www.romulation.org/NDS/2036_-_Apollo_Justice_Ace_Attorney_%28U%29%28XXX%29.rar.html/67,108,864 is the game size in Bytes.
MB = Megabytes. Roughly 1,000,000 Bytes.

thats around 65MB.

Oh Sorry Then My Bad Im Still Learning About the R4

It's nothing to do with the R4. All computers measure in bytes and kilobytes (roughly 1,000 bytes) and megabytes (roughly 1,000,000 bytes) and Gigabytes and Terabytes and so on. It's how any computer shows file size.

1KB = 1,024 bytes.

Well Guess i Gotta Clear Out Some Space :D