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For other uses of Sonic the Hedgehog, see Sonic the Hedgehog (disambiguation).

Sonic the Hedgehog is an educational game for the Leapfrog Didj learning system released in 2008.

Gameplay

The gameplay is similar to the original Sonic the Hedgehog games on the Sega Genesis.

Sonic himself retains most of his normal moves from the Sega Genesis games but comes with some of his newer moves as well, such as the Homing Attack and Wall Jump.

The game features seven levels (referred to as Acts) that are in groups of four Zones. Each level is based on various Zones from earlier Sonic games.

Zone 1: Grass Hill

Zone 2: Hydropolis

Zone 3: Scrap Plant

Zone 4: Space Egg

Zones marked with a * indicate that the level ends with a boss fight which is different for each zone. Defeating the boss will earn the player a Chaos Emerald, with the color depending on the Zone the boss fight took place in. The player earns the green Emerald in Emerald Hill Zone, the purple Emerald in Hydrocity Zone, and the yellow Emerald in Chemical Plant Zone.

Defeating the boss of Egg Base Zone awards the player with the Red Emerald (Known as the Master Emerald) before the credits.

Curricular Gadgets

Curricular Gadgets are minigames that are activated by running through Giant Rings, with a different amount in each level.

All of the Circular Gadgets involve collecting all the right letters to spell or complete a word. Pressing the left shoulder button will repeat the instructions while pressing the right shoulder button will repeat the question. Completing a minigame awards the player with a gadget.

In addition, the design of the area the minigame takes place in changes depending on the level.

Word Wheel minigame

Word wheel minigame

This minigame starts with Sonic standing on the Word Wheel, which resembles a metal nut on a screw from Metropolis Zone, with letters printed on the sides. The letter currently selected is highlighted in yellow. Moving left and right causes the word wheel to move, thus changing the letter selected. Pressing A causes Sonic to jump and pull the lever above. Pressing up on the D-pad activates capital letters.

If the letter the player selected is correct, it is placed inside a box which is located at the bottom of the screen. Collecting all the right letters causes ten Rings to appear on the ground and allows Sonic to hop off the word wheel to collect them.

Cannon minigame

Cannon minigame

Sonic will enter one of the cannons from Carnival Night Zone during the game's tutorial. Badniks will pass by the cannon and carry large monitors with a random amount of letters with them. On the top of the screen is a box with an incomplete word. The player needs to aim the cannon with the D-pad and press A to launch Sonic into the monitor. Sonic will run back inside the cannon afterward.

Breaking the monitor with the right letters causes ten Rings to appear on the ground, which Sonic will automatically collect while running back to the cannon.

Monitor minigame

Monitor minigame

The game starts in an area with two platforms, one from the left to use as stairs and a bigger one coming from the right. The right side also contains a spring for the player to reach the bigger platform. Unlike the other two minigames, which involve selecting the right letters to spell/complete a word, all the correct letters to spell the word are located inside monitors, but the player has to open each one in order.

Opening all the monitors in the correct order causes six Rings to appear on the ground and six more Rings on the bigger platform, which Sonic can collect before the next question.

Badges and Bitz

During the game, the player will be able to earn various achievements called Badges, which are part of the Didj reward system. each Badge will award the player with a certain amount of points called Bitz, depending on the value of the achievement.

Badges are displayed on the player’s Achievement Screen from the game's menu and are stored (alongside the Bitz) on the LeapFrog website.

Bitz are used as currency on the LeapFrog website and can be spent in order to download additional content for this game, as well as other titles on the Didj.

List of Badges

Badge Achievement Event Amount of Bitz Earned
Complete Zone 1, Act 1 in less than 3 minutes 5
Complete Zone 1, Act 2 in less than 3 minutes 5
Complete Zone 2, Act 1 in less than 3 minutes 5
Complete Zone 2, Act 2 in less than 3 minutes 5
Complete Zone 3, Act 1 in less than 3 minutes 5
Complete Zone 3, Act 2 in less than 3 minutes 5
Complete Zone 1, Act 1 in less than 2 minutes 10
Complete Zone 1, Act 2 in less than 2 minutes 10
Complete Zone 2, Act 1 in less than 2 minutes 10
Complete Zone 2, Act 2 in less than 2 minutes 10
Complete Zone 3, Act 1 in less than 2 minutes 10
Complete Zone 3, Act 2 in less than 2 minutes 10
Collect 100 Rings in Zone 1, Act 1 5
Collect 100 Rings in Zone 1, Act 2 5
Collect 100 Rings in Zone 2, Act 1 5
Collect 100 Rings in Zone 2, Act 2 5
Collect 100 Rings in Zone 3, Act 1 5
Collect 100 Rings in Zone 3, Act 2 5
Collect 200 Rings in Zone 1, Act 1 10
Collect 200 Rings in Zone 1, Act 2 10
Collect 200 Rings in Zone 2, Act 1 10
Collect 200 Rings in Zone 2, Act 2 10
Collect 200 Rings in Zone 3, Act 1 10
Collect 200 Rings in Zone 3, Act 2 10
Collect the Green Emerald 20
Collect the Yellow Emerald 20
Collect the Purple Emerald 20
Collect the Master Emerald 20
Get 5 Gadget Questions correct in a row 20
Get 10 Gadget Questions correct in a row 20
Find all Gadgets in Zone 1, Act 1 25
Find all Gadgets in Zone 1, Act 2 25
Find all Gadgets in Zone 2, Act 1 25
Find all Gadgets in Zone 2, Act 2 25
Find all Gadgets in Zone 3, Act 1 25
Find all Gadgets in Zone 3, Act 2 25
Find every Gadget in the game 50

List of Prizes

Because the Didj website has shut down, the full list of prizes is not confirmed, but according to the game's files the following prices where planned:

Music

  • Grass Hill (Remix)
  • Hydropolis Zone (Remix)
  • Scrap Plant (Remix)

Animal friends

Idle animations

  • News pose (reading a newspaper)
  • In-the-shade pose (underneath an umbrella)
  • Yo-yo Pose (playing with a yo-yo)

Victory animations

  • Backflipping
  • Breakdancing
  • Moonwalking

Trivia

  • Due to the game's similarities to the original Sonic the Hedgehog trilogy, it can be considered a loose port.
  • The game was developed by Realtime Associates, in which they previously made games for the Sega Genesis, the Sega Pico, and the Sega Saturn, with Sonic making a brief appearance in Realtime's Bug! for the Saturn.
  • The game's logo is derived from the logo for Sonic the Hedgehog (2006).
  • This marks the second Sonic game on a Leapfrog learning system, the first being Sonic X. Both games were made by the same developer, but Sonic X focused on mathematics while this game focused on spelling.
  • This game uses the sprites of Sonic from Sonic the Hedgehog 3 and Sonic & Knuckles, although the fur of Sonic's color is from Sonic the Hedgehog Spinball.
  • Despite the name, Green Hill Zone actually uses textures from Emerald Hill Zone.
  • All the music from this game are remixes of music from older games:
    • The title music, as well as the theme for Grass Hill (which is Green Hill Zone and Emerald Hill Zone), is the theme for Mushroom Hill Zone, Act 1 from Sonic & Knuckles.
      • A sped-up version is used when Sonic collects the Power Sneakers in any stage.
      • Another remix was also available for download.
      • The real title music is in the game's files, and is the same title music from Sonic & Knuckles.
    • The theme for the main menu and the credits is the same music used for the ending theme of Sonic 3D Blast on the Sega Genesis.
    • The theme for Hydropolis (which is Sandopolis Zone and Hydrocity Zone) is the theme for Sandopolis Zone, Act 1 from Sonic & Knuckles.
      • Another remix was also available for download.
    • The theme for Scrap Plant (which is Scrap Brain Zone and Chemical Plant Zone) is the theme for Flying Battery Zone, Act 1 from Sonic & Knuckles.
      • Another remix was also available for download.
    • The invincibility theme is the same invincibility theme from Sonic & Knuckles.
    • The music for clearing a level is the same act clear music from Sonic the Hedgehog 3.
    • The Slot Machine music from Sonic & Knuckles can be heard during the Word Wheel minigame.
    • The Blue Sphere theme from Sonic the Hedgehog 3 can be heard during the cannon minigame.
    • The Act 1 mini-boss theme from Sonic & Knuckles can be heard in Egg Base Zone, as well as during a boss.
    • The Game Over theme from Sonic the Hedgehog 3 can be heard when the player loses all their lives.
    • A remix of the 1-up jingle from Sonic & Knuckles was in the game's files but was unused.
  • The title screen itself uses Sonic's sprite from the title screen of the original Sonic the Hedgehog, but the title screen in the Didj's main menu uses Sonic's sprite from the ending of said game.

Gallery

Video

Sonic The Hedgehog Didj Commercial

Sonic The Hedgehog Didj Commercial

The game's trailer.



Sonic the Hedgehog spin-off video games
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