His goal is to reunite the four fragments of the Seal of Calum and place it on the altar, all while avoiding the sídhe.
Many of the puzzles that Cuchulainn is set are cryptic in nature (e.g. "The backdoor key is me") rather than straightforward and may rely on some lateral thinking.
Because he is in an afterlife, Cuchulainn cannot die and if he is "defeated" by a sídhe he is simply transported elsewhere and loses all his carried objects.
The Land of Tir Na Nog is large and consists of plains, caverns and forests.
The graphics are stunning and the scenery excellent", noting the multiple puzzle solutions and large game world.