Dragon Warrior (Dragon Quest)

Dragon Warrior is the first role-playing video game (RPG) in the Dragon Warrior media franchise. It was developed by Chunsoft for the Family Computer (Famicom) and published Japan in 1986 as Dragon Quest and by Nintendo in 1989 in North America for the NES as Dragon Warrior. Dragon Warrior was one of the NES's early smash hits that didn't come from Nintendo itself.

Original description:

Mere finger speed and sweat are no match for the challenges of this game. You will be required to use deductive reasoning, not a quick sword to defeat your enemies.
All is darkness. The Dragon-lord has captured the Princess and stolen Erdrick's powerful ball of light.
You are Erdrick's heir. To you has fallen the most dangerous task - to rescue the King's daughter and recover the mystic ball of light.
Your mission is deadly, but it is your fate. Prophets have long foretold your coming.
Three keepers await your journey, each ready to aid you with the mystic item of great power.
Gather the three objects. Scribes will record your deeds. Use cunning and wisdom to choose your commands. Gain experience, weapons and armor as you battle your way through the world. Rest if you must.
Search out the Dragon-lord's lair and face your destiny. In this role-playing adventure you are the Dragon Warrior!

Instructions

Enter - start (pause);    Arrows - move;    X - the "cancel" button;

Z - through this button, commands are selected and instructions are carried out. The basic all around button. Brings up menus, used to select commands and options on the menu.

You can change keyboard settings, save (F5) and load (F8) the game.
Put your mouse over the game and choose your settings, you can also play the game in fullscreen.