Alex Kidd in Miracle World
Alex Kidd In Miracle World Box
Developer(s): Sega
Publisher(s): Sega
Designer(s): "Ossale Kohta" (Kotaro Hayashida)
Artist(s): Rieko Kodama
Composer(s): Tokuhiko Uwabo


Sega Master System
Ports: Wii, PS3, Xbox

Release date(s):

1 November, 1986 (Japan)
1987 (US,EU,AUS,NZ)

Alex Kidd in Miracle World is a platform game for the Sega Master System video game console. It was first released in Japan on 1 November, 1986, and then was distributed to Europe, Australasia and the United States in 1987. It was arguably the most widely known game in the Alex Kidd Series, due to it being built into most Master System II consoles. It is the first game in the Alex Kidd series, and the most widely known, and therefore most popular of all the Alex Kidd games.


Many centuries ago, on the planet Aries, there lived a boy named Alex Kidd, for seven years alone on Mt. Eternal, where he studied and trained in the Shellcore technique, an ancient art that makes one strong enough to break rocks into pieces. This technique enables an Arian to alter the size and toughness of his fists through sheer willpower, and enables one to shatter rocks with one's bare fists. One day as he was leaving the mountain for his spiritual homeland, Alex encountered a dying man who told him that the peaceful city of Radaxian was in grave danger, and who gave Alex a map and a medallion. After the disappearance of King Thunder, the ruler of Radaxian, Alex finds out that his first defeat was at the hands of Janken The Great, ruler of the planet Janbarik. Janken kidnaps the heir to the throne, Prince Igul, and his fiancée Princess Lora.

After defeating Gooseka, Alex is on the Island of Saint Nurari. He discovers that he is the prince of Radaxian, son of King Thunder and brother of Prince Igul. When he was younger he was kidnapped by an evil Lord, and that now his hometown is being ruled by the tyrant Janken The Great. Alex then goes to the people of the village of Namui, where a man says that Alex's twin brother, Igul, is imprisoned in the castle of Radaxian. Then Alex goes to the castle Radaxian, beating Chokkinna and Parplin on the way. In the castle, Alex rescues his brother who tells him he must find a personal letter from the Kingdom of Niban in a room of the castle, and the Medallion of the Moonlight, which is located in Niban. Alex picks up the letter from the castle and defeated Gooseka one last time.

Alex went to the City of Radaxian where he defeats Chokkina definitively. After that, he moves into the realm of Niban, where he speaks with its King High Stone. Alex communicates that the Medallion of the Moonlight has been stolen, begging to be transported to Cragg Lake, where the Golden Crown is found, giving the stone to Hirotta. Alex goes to the castle of Janken, again defeating Parplin. Waiting inside the castle is Janken, whom Alex must defeat to get the Medallion of the Moonlight. Janken offers to surrender if Alex can defeat him in a game of Janken, but when Alex does so, Janken goes back on his word and attacks Alex. A battle between them ensues, and Alex is victorious as Janken's magic backfires, killing him and transforming him into a statue. After that, Alex finds Princess Lora, who tells him his mother Queen Patricia is safe, and that Alex must obtain the Gold Crown in order to reverse the effects of Janken's magic and banish his forces. Alex leaves for Cragg Lake, where, after deciphering the stone Hirotta introduced, finds the Gold Crown, ending the game.

After Alex takes the Gold Crown, the game explains that Alex restores peace to Radaxian, and that the people who were turned to stone by Janken have returned to normal. In the city, Egle is crowned King of Radaxian, and Alex Kidd, with his martial arts, takes the position of Defender of the City, although his next goal will be to find his father, King Thunder. It is assume Alex now lives in the city of raxian.


Alex Kidd in Miracle World is primarily a platform game, which also incorporates strategy and roleplaying. The player must finish levels and overcome obstacles and scenarios in a 2D atmosphere. Throughout the eleven stages of Alex Kidd in Miracle World, Alex Kidd faces many monsters, plus the three henchmen of Janken the Great, before facing Janken himself.

Alex Kidd is the only playable character in the game. His primary skill is punching, which he can use to attack enemies, break certain types of rocks to open blocks, and access new areas and collect money. Breaking or stepping on certain blocks releases an evil spirit that will try to kill Alex. The game requires more than the player's ability to accomplish specific phases. Any money Alex collects can be used to purchase items such as motorbikes and "peticopters", small pedal-powered helicopters. At the end of certain levels, Alex must face one of Janken's henchmen in a game of Janken (paper, scissors, rock).

The game consists of 17 stages, some of them with a strong atmosphere that differs from the rest. At the end of some stages, Alex has to face a Boss, whom he has to defeat by winning the best of three games of paper-scissors-rock. To finish a stage, Alex has to grab a food object at the end of each stage. Alex can take only one hit before he dies. Alex Kidd in Miracle World does not have a battery save option or password system, meaning that when all of Alex's lives are gone the game is over. However, the game did have an undocumented "continue" feature, where the player could continue the game with three lives from the beginning of the level where Alex had died, by holding the up button and pressing the 2 button eight times during the Game Over screen. This feature would cost the player 400 Baums (the in-game currency).

The game was built directly into the Sega Master System II, enabling play right out of the box without the need to plug in any cartridge.


1. Mt. Eternal
2. Lake Fathom
3. The Island of St. Nurari
4. The Village of Namui
5. Mt. Kave
6. The Blackwoods
7. Bingoo Lowland
8. The Radaxian Castle
9. The City of Radaxian
10. The Kingdom of Nibana
11. Cragg Lake


Image Name First Encountered Points
Monster Bird
Monster Bird Mt. Eternal 200pts
Monster Frog
Monster Frog Mt. Eternal, Part II 200pts
Scorpion Mt. Eternal, Part II 200pts
Poisonous Fish Mt. Eternal 200pts
Rolling Rock
Rolling Rock Mt. Kave 200pts
Bat Mt. Kave 400pts
Monkey The Blakwoods 400pts
Hopper The Village of Namui 400pts
Killer Fish
Killer Fish Mt. Eternal 400pts
Sea Horse
Sea Horse Lake Fathom 400pts
Merman Mt. Eternal 600pts
Ox The Village of Namui 600pts
Grizzly Bear
Grizzly Bear The Blakwoods 800pts
Octopus Lake Fathom 4,200pts
Janken the Great Cragg Lake 10,000pts

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