A typical Blue Sphere stage Blue Sphere (ブルースフィア, Burū Sufia?) is a secret easter egg video game created by attaching Sonic the Hedgehog or Sonic Compilation to the Sonic & Knuckles cartridge. It is a compilation of 134,217,728 Special Stages in the same style and engine of those featured in Sonic the Hedgehog 3 and Sonic & Knuckles. After completing all 227 levels, it repeats from the beginning. In fact, there are actually only 128,016,000 distinct level layouts ("stages" in the game's terminology) - after 128,016,000, the stages repeat, even though the level number continues to advance. After level 134,217,728, however, everything repeats. This game is game is really long, in fact, if you were to try and play all the levels and only took 60 seconds for each level it would take you a little over (estimated) 255 years of nonstop playing to finish. Image File history File links Sonic3SpecialStage. ...
Image File history File links Sonic3SpecialStage. ...
The first easter egg. ...
Namcos Pac-Man was a hit, and became a universal phenomenon. ...
Sonic the Hedgehog is the platform game that launched the career of Sonic the Hedgehog and Sonic Team. ...
Sonic Compilation is a 1995 Sega Mega Drive game containing three previously released Sonic titles: Sonic the Hedgehog, Sonic the Hedgehog 2, and Dr. Robotniks Mean Bean Machine. ...
Sonic & Knuckles ) is a platform game in the Sonic the Hedgehog series, developed by Sonic Team in collaboration with Sega Technical Institute, and published by Sega for the Sega Genesis in 1994. ...
In various types of electronic equipment, a cartridge can refer one method of adding different functionality or content (e. ...
Sonic the Hedgehog 3 ), often abbreviated and officially known in Europe as Sonic 3, is a platform game in the Sonic the Hedgehog series for the Mega Drive/Genesis. ...
Sonic & Knuckles ) is a platform game in the Sonic the Hedgehog series, developed by Sonic Team in collaboration with Sega Technical Institute, and published by Sega for the Sega Genesis in 1994. ...
These levels are not unique in their design; each consists of four segments, and the layout of each segment is taken from a master list of 128 set layouts. However, the layout of each segment is based on the level number mod 125, 126, 127, or 128, depending on the segment; this produces the discrepancy between the 227 levels and the 128,016,000 (the least common multiple of 125, 126, 127, and 128) stages. There is a slight difference between these special stages and those in Sonic & Knuckles - here, the ring counter counts down. If a level is completed with all the rings collected, the player receives a "perfect" score and is presented with a screen showing the stage's difficulty level, then skipped ahead 10 stages. The game is accessed from the "No Way! No Way! No Way! No Way?" screen that appears to inform the player that the game that is locked on is not Sonic the Hedgehog 2 or Sonic the Hedgehog 3. Pressing the A, B, and C buttons at the same time changes the screen to the level menu of Blue Sphere and pressing A, B or C on the level menu will switch characters (the player cannot play as Tails, or Sonic and Tails together, as in Sonic 3 & Knuckles). Sonic the Hedgehog 2, or simply Sonic 2, is a platform game developed and published by Sega for the Mega Drive/Genesis. ...
Sonic the Hedgehog 3 ), often abbreviated and officially known in Europe as Sonic 3, is a platform game in the Sonic the Hedgehog series for the Mega Drive/Genesis. ...
Blue Sphere can also be created by locking Sonic & Knuckles on to most other Sega Mega Drive/Sega Genesis games, producing one of the levels featured in the Sonic the Hedgehog Blue Sphere, based on information in the game's header (with the games that do not work, simply Sonic & Knuckles will result instead). Beating this level will not take the player to a new one; however, if a perfect score is achieved, a password is displayed. Entering this password into the Sonic the Hedgehog Blue Sphere will skip to that same level, but completing the level will not take the player to the next one either. Note that there are two passwords for each level - one for the ordinary version, from which the player can advance, and one for this version, from which they can not. The Sega Mega Drive was a 16-bit video game console released by Sega in Japan (1988), Europe (1990) and most of the rest of the world. ...
It can also be accessed from the file menu's special stage selection in Sonic & Knuckles Collection for PC. Sonic & Knuckles Collection is a Sonic the Hedgehog compilation game for Microsoft Windows-based PCs. ...
The name Blue Sphere comes from the name shown in its listing in Sonic Mega Collection and Sonic Mega Collection Plus. The main menu screen in Sonic Mega Collection. ...
Sonic Mega Collection Plus is a compilation of video games in the Sonic the Hedgehog series from the Sega Mega Drive/Genesis and Game Gear so they can be played on the Sony PlayStation 2 and Microsoft Xbox consoles. ...
Passwords
Opening of the Blue Sphere mini-game. There are two 12-digit passwords for each level - one for the version from which the player can advance and one for the version from which they can not. There is a simple algorithm for generating both; see http://drspud.no-ip.com/bluesphere/ for a web-based password generator. (The JavaScript/HTML files are available for download for those who want to learn the algorithm.) Image File history File links Sonic_1_&_Knuckles_000. ...
Image File history File links Sonic_1_&_Knuckles_000. ...
A regular password-inserting screen (from Gods). ...
JavaScript is a scripting language most often used for client-side web development. ...
HTML, short for Hypertext Markup Language, is the predominant markup language for the creation of web pages. ...
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