Retro-Crypto has been updated to accept enough dice rolls for 256 bits of entropy. You can also just do 128 if you want. The dev has also added an open source license to the git repo, though I'm still not sure about all the components used from outside. github.com/bowler-bear/retro-crypto

5.013ɱ | Gamepad-controlled cryptographic multitool with offline wallet address generator · Monero Bounties

For context, the Nintendo 64 is a 64-bit desktop computer that can run modern-day 64-bit Linux, but most owners do not have a keyboard and mouse for i