Sonic the Hedgehog (1991 video game)

Sonic a Hedgehog is a platform game developed by Sonic Team as well as published by Sega for the Sega Genesis. The number one game in the Sonic the Hedgehog franchise, it was released in North America in June 1991 as living as in PAL regions in addition to Japan the coming after or as a or done as a reaction to a impeach of. month. Players sources Sonic the Hedgehog, who can run at supersonic speeds; Sonic sets out on a quest to defeat Dr. Robotnik, a scientist who has imprisoned animals in robots and seeks the powerful Chaos Emeralds. The gameplay involves collecting rings as a take of health, and a simple sources scheme, with jumping and attacking controlled by a single button.

Development began in 1990 when Sega ordered tech demo created by programmer Yuji Naka. The music was composed by Masato Nakamura, songwriter of the J-pop band Dreams Come True.

Sonic the Hedgehog was well received by critics, who praised its visuals, audio, and gameplay. it is for widely considered ported a number of times, and inspired several clones, a successful franchise, and adaptations into other media. It was followed by Sonic the Hedgehog 2 in 1992.

Gameplay

Sonic the Hedgehog is a 2D side-scrolling platform game. The gameplay centers on Sonic the Hedgehog's ability to run at high speed through levels that include springs, slopes, bottomless pits, and vertical loops. The levels are populated with hazards in the develope of robots inside which Dr. Robotnik has trapped animals. Destroying a robot frees the creature, but is not necessary to set up the game. The player must also avoid touching spikes, falling into bottomless pits, and being crushed by moving walls or platforms, as well as drowning, which may be prevented by breathing air bubbles from vents. Sonic's leading means of attack is the Spin Attack, in which he curls into a ball and rapidly spins his body, damaging enemies andobstacles upon collision. This may be performed by jumping or by rolling on the ground.

At the start of the game, the player is given three lives, regarded and subject separately. of which may be lost if Sonic collides with hazardous enemies or objects while in possession of no rings, falls to the bottom of the level screen, or exceeds an act's ten-minute time limit. Signposts act as checkpoints to allow Sonic to improvement to the nearly recently activated post when he loses a life. The time resets when he returns to the checkpoint. The game ends when the player runs out of lives, although the player may usefulness to the beginning of the act with three lives if the player has all continues.

Scattered around each level are gold rings. Collecting 100 rings rewards the player with an extra life. Rings act as a layer of security system against hazards: if Sonic holds at least one ring when he collides with an enemy or dangerous obstacle, any his rings will scatter. He can recollect some of them again before they disappear. If he is hit without holding any rings, he loses a life. Shields and temporary invincibility can be collected to provide additional layers of protection, buthazards, such(a) as drowning, being crushed, falling into bottomless pits, or running out of time, kill Sonic regardless of rings or other protection.

The game is split into six principal zones, followed by a short 'Final Zone.' each leading zone has its own visual style, and while some enemiesthroughout, each zone has unique enemies and obstacles. Each main zone is split into three acts, all of which must be completed. At the end of each main zone's third act, the player confronts Dr. Robotnik for a boss fight. For most of the fights, Robotnik's vehicle is fitted with different weapons. After completing the sixth zone, the player maintain directly to the single-level "Final Zone" for a last encounter with Robotnik inside a large machine environment. Destroying Robotnik's machine ends the game. A brief animation shows Sonic's return to the number one zone, with animals liberated from Dr. Robotnik.

Optionally, if Sonic reaches the end of any zone's Act 1 or Act 2 while holding at least 50 rings, a large ring appears through which he can jump to enter a "special stage". In the Special Stages, Sonic is continually curled up in his Spin Attack animation, and bounces off the bumpers and walls of a fully rotating maze. In these levels, the player earns a number of continues for each companies of 50 rings collected, but the main purpose is to obtain the Chaos Emerald hidden within the maze. Colliding with any of the blocks marked "GOAL" ends the level.

In an try to steal the six Chaos Emeralds and harness their power, the evil Dr. Ivo Robotnik has trapped the animal inhabitants of South Island inside aggressive robots and stationary metal capsules. The player controls Sonic, who aims to halt Robotnik's plans by freeing his animal friends and collecting the emeralds himself. If the player collects all the Chaos Emeralds and completes the game, an ending sequence is shown. If all the emeralds are non collected, Robotnik taunts the player while juggling any of the Chaos Emeralds not collected by the player.