
Nintendo NES with Build in Battery Games List

All the following games are using an internal CR2032 battery to keep game saves. I highly recommend you to invest into a Nintendo special screwdriver to be able to replace and remove the battery if needed
Al Unser Jr Turbo Racing Bard's Tale Base Wars Baseball Simulator 1.000 Baseball Stars Baseball Stars 2 Crystalis Deja Vu Destiny of an Emporer Dragon Warrior Dragon Warrior II Dragon Warrior III Dragon Warrior IV Dungeon Magic Final Fantasy Formula One Built to Win Gemfire Genghis Kahn Ghost Lion Gold Medal Challenge '92 Golf Power Heroes of the Lance Hillsfar Kirby's Adventure L'Empereur Magician Maniac Mansion Might &Magic NES Open Golf Nobunaga's Ambition Nobunaga's Ambition 2 Overlord Pirates! Pool of Radiance Romance of the 3 Kingdoms Romance of the 3 Kingdoms 2 Shadowgate Shingen the Ruler Star Tropics Star Tropics II: Zoda's Revenge Tecmo NBA Basketball Tecmo Super Bowl Ultima: Exodus Ultima: Quest of the Avatar Ultima: Warriors of Destiny Uncharted Waters Uninvited Wario's Woods Wizardry: Proving Grounds of the Mad Overlord Wizardry 2: Knight of Diamonds Zelda Zelda 2: The Adventure of Link