Co-Op Light and Dark – Dark

Work as a team, together with the other Light pack, and You team up and try to face challenges head on, where each player has a different resource pack! Each player can see certain things the other cannot. Co-Op Light and Dark – Light – Resource Packs – Minecraft – CurseForge

The following image is from the 1.7.10 version: 

Some things are the same, some are different, and some things only the player with the other resource pack can see! This resource pack requires at least two people to play with, one with this pack, and one with the other one.