: Starting a game at Level 3 or with infinite lives as a "separate" title. Sprite Swaps
: Modern NES Game Cartridges are available that come pre-loaded with over 1,000 games using SD card technology for fast loading. nes 1000 in 1 rom
– There are free, legal NES homebrew games you can download and play on emulators. I can point you to communities like NesDev and itch.io. : Starting a game at Level 3 or