Dragon Warrior

Dragon Warrior was one of the first Japanese-style console roleplaying games. Yuji Hori, the series creator, cites Wizardry as an influence on the game's development.

Read That last Line Above
I'm trying to say that Americans more or less invented the basics of the Japanese roleplaying game, since no one really understands the link.

Narrative-Gameplay Interaction
The protagonist can choose to side with the antagonist at the end of the game, which causes the game to lock. It is a certifiably bad ending to receive, but it's the result of a player's choice.