Metroid

Metroid is a science fiction action-adventure video game franchise created by Nintendo. It is primarily developed by Nintendo R&D1 and later by Retro Studios and MercurySteam. The series is known for its exploration-focused gameplay, non-linear level design, and atmospheric environments.

The Metroid games typically follow the bounty hunter Samus Aran as she battles space pirates and other hostile alien lifeforms, often on isolated planets or space stations. The core gameplay mechanic involves exploring interconnected environments, collecting power-ups that grant new abilities, and defeating enemies to progress through the game. Many abilities unlock previously inaccessible areas, encouraging backtracking and thorough exploration.

The series is notable for its strong female protagonist, Samus Aran, who was one of the first playable female characters in a mainstream video game. Her identity was typically kept secret until the end of the game, providing a twist for players.

Key characteristics of the Metroid franchise include:

• Exploration and Non-Linearity: Players are encouraged to explore large, interconnected maps and discover secrets hidden within the environment. The acquisition of new abilities opens up previously inaccessible areas, allowing players to progress in a non-linear fashion.

• Atmosphere and Isolation: Metroid games often feature dark, atmospheric environments and a sense of isolation, emphasizing the player's lone journey.

• Power-Ups and Upgrades: Collecting power-ups is a core element of the gameplay. These upgrades enhance Samus's abilities, allowing her to overcome obstacles and defeat enemies. Common power-ups include the Morph Ball, missiles, and various beam weapons.

• Boss Battles: The Metroid series is known for its challenging boss battles, which require players to utilize their skills and acquired abilities strategically.

The Metroid franchise has spawned several sequels and spin-offs across various Nintendo platforms, including the NES, Super Nintendo Entertainment System, Game Boy, Game Boy Advance, Nintendo GameCube, Nintendo DS, Nintendo 3DS, and Nintendo Switch. Notable titles in the series include Metroid, Metroid II: Return of Samus, Super Metroid, Metroid Fusion, Metroid Prime, Metroid: Zero Mission, Metroid Prime 2: Echoes, Metroid Prime 3: Corruption, Metroid: Other M, Metroid: Samus Returns, and Metroid Dread.

The Metroid series is considered a pioneering franchise in the action-adventure genre and has had a significant influence on game design. The term "Metroidvania" is often used to describe games that share similar gameplay elements, such as exploration, non-linearity, and power-up based progression.