For people who are looking for an efficient method to improve their graphics, they should pay attention to Retro NES [16×16] Texture Pack. It is completely suitable for players who love the NES. With a 3D design, it promises to make your Minecraft world more realistic. You can find many similarities between this pack and other Minecraft worlds such as Legend of Zelda and Super Mario.
Moreover, the map is ported by rojastrigre 24.
How to Play Retro NES [16×16] Texture Pack
These following pictures describe how this texture pack works in details. The pack adds clear details to your game.