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Find abandonware games to download, organized by year. At retrocosmos you can find games released between and . Choose a year to see the list of games.

Alex Kidd in Miracle World

Released in 1986, Alex Kidd in Miracle World quickly became an iconic title for the SEGA Master System, defining a generation of gaming and introducing players to a whimsical universe filled with adventure and challenges. Serving as a flagship game for SEGA's 8-bit console, it featured the charming protagonist Alex Kidd, who embarks on an epic quest to rescue his kidnapped brother, the King of Radaxian, from the clutches of the nefarious villain Janken the Great. This captivating storyline, along with its vibrant graphics and enchanting music, contributed to its status as a beloved classic. The gameplay of Alex Kidd in Miracle World was a delightful blend of platforming and puzzle-solving elements, with Alex navigating through a series of diverse levels. From lush forests and treacherous mountains to underwater caverns, each environment presented unique obstacles and enemies that kept players engaged. Players collected items and power-ups along the way, including the iconic rock-paper-scissors mechanic that allowed Alex to challenge opponents in life-or-death matches for essential treasures. The unique integration of this game-changing mini-game added an extra layer of complexity to the overall experience. Moreover, one of the standout features of Alex Kidd was the ability to interact with various NPCs inhabiting the vibrant world. These characters not only provided hints and assistance but also contributed to the immersive narrative, allowing players to engage with the lore of the enchanting setting. Additionally, the clever design of the levels and the variety of secrets hidden throughout kept keen-eyed players returning for more, eager to unveil each hidden area and bonus feature. The game's visuals, albeit limited by the 8-bit capabilities of the Master System, showcased a distinct charm. Each sprite was crafted with care, and the colorful palette brought the fantastical environments to life. The captivating music, composed by a talented team, complemented the game’s joyful ambiance and left a lasting impression on players. Despite the technological constraints of the era, Alex Kidd in Miracle World managed to deliver a memorable audio-visual experience that resonated with gamers long after they turned off their consoles. In the years that followed its initial release, Alex Kidd in Miracle World would inspire sequels and remakes, solidifying its legacy as a cornerstone of the SEGA brand. Its blend of creativity, charm, and engaging gameplay has earned it a rightful place in the annals of video game history. For many, revisiting this classic is not just an exploration of nostalgic gameplay; it is a celebration of a pioneering title that helped shape the future of platforming games and defined the charm of the SEGA Master System.

Alex Kidd in Shinobi World

Alex Kidd in Shinobi World arrived on the Sega Master System in 1990 as a curious hybrid, marrying the cheerful mischief of Alex Kidd with the disciplined ninja overtones of Shinobi. Sega framed it as a playful experiment, a side scrolling adventure that recycled popular action beats from both franchises while pushing toward a sharper, tougher tempo. The game casts the eponymous hero into a streetwise, color saturated world where juggling jumps, punches, and quick escapes becomes essential. Its tonal blend aimed to please fans of lighthearted arcade antics and players hungry for a brisk, challenge packed platformer. Gameplay centers on swift platforming and open ended combat. The Master System controller handles movement, jumping, and face to face strikes, while a few power-ups or items grant temporary enhancements. Players navigate rooftops, alleyways, and temple courtyards, dodging hazards and enemy ninjas who emerge from shadows. Boss encounters punctuate progression, forcing pattern recognition and decisive timing. The level design rewards momentum and precision, rewarding players who balance aggression with careful landings. In practice, the game feels like a compact hybrid: the tempo and enemies echo Shinobi, while the platforms and humor recall classic Alex Kidd moments. Visually, Shinobi World wears bright, sprite driven aesthetics that cheekily blend Japanese cinema polish with cartoonish exaggeration. Environments vary between sunlit streets, neon drenched districts, and shadowy dojo interiors, each rendered with crisp parallax layers that give a sense of depth on the older hardware. Enemies are stylized ninjas and rival adventurers, their animations crisp enough to convey intent without slowing pace. The soundtrack pairs punchy chiptune melodies with energetic percussion, matching the game’s rapid tempo and giving each stage a distinct mood. The overall presentation emphasizes accessibility and speed, inviting quick reflexes rather than prolonged memorization. Upon release, the fusion approach drew mixed reactions from critics and fans alike. Some praised the brisk action and the lighthearted charm that kept players engaged, while others felt the collision of styles never fully harmonized, leaving awkward pacing or repetitive segments. In the long arc of Sega’s catalog, the title stands as an intriguing footnote, a demonstration that cross pollination could energize a familiar IP without losing identity. Over the years it has earned a reputation among collectors and retro enthusiasts as a quirky curiosity, a snapshot of era when Sega experimented with blending platforming DNA and shinobi flair. Its quirky charm still resonates with fans today too.

Alex Kidd in the Enchanted Castle

Genesis 1989
Alex Kidd, a resident of the planet Aries, is the brother of the king. One day he comes across a rumor that his lost father, King Thor, is alive and somewhere on the planet Paperock. Of course, he immediately travels to said planet to find his father. Alex Kidd in the Enchanted Castle offers standard platforming action in which Alex explores side-scrolling levels and has to avoid touching enemies. He has two standard attacks: punching enemies on the ground and kicking them in the air. He also uses objects that make his life easier, for example, a pedicopter with a gun, a pogo-stick to reach higher ground or an invulnerability cloak. After use, Alex puts these items in his inventory, but loses the active item upon death. Coins are acquired from defeated enemies or treasure chests. As in Alex Kidd in Miracle World, the mini-game Janken, also known as rock-paper-scissors, plays an important role: bosses are not defeated by shooting, but by defeating them in this game of chance. The novelty compared to its predecessor is that you also have to play Janken to buy items in the stores: After paying for the item, it is only given to Alex if he wins the mini-game. The result of failure is death.

Alex Kidd: BMX Trial

In the role of young Alex, your job is to get through an obstacle course and make it to the main exit without other competitors trying to push you off your bike. You start in Blackwood Forest, but depending on the scene you are in, you can travel to the Cactus Desert, the South Seas, the Pyramid River or Alex's home, Radaxian. Most of the time you must jump over water, and along the way you can get power-ups such as more energy, more time and jets that allow you to fly through the scene, but only if you perform a wheelie can you get these power-ups. The game ends when you have no energy left.

Alex Kidd: High-Tech World

A new arcade has come to town, and Alex and his friends decide to check it out. Unfortunately, they have no idea where it is, so it's up to Alex to find the eight pieces of the map that are cleverly hidden inside the castle. Getting all the pieces is just the beginning, as he must make his way through a forest full of ninja assassins, enter the city to perform the required tasks, obtain a travel pass, and make his way through a second forest full of other critters. The question is: will Alex make it to the arcades before 17:00? Alex Kidd: High-Tech World allows you to resume a saved game. All you have to do is enter a password, and the game will resume right where you left off. The game is time-based, and events can only occur at certain times. For example, certain characters will appear after thirty minutes of every hour. During the game, you can access a status screen, which helps you keep track of time, what floor you are on, and how many map pieces you have collected so far. There are six floors inside the castle, including the attic. On some floors there are telephones that you can use to ask a character for help or to order a pizza. There are also alternative solutions to some puzzles in the game. The demo that appears at the beginning of the game can reveal one of the pieces of the map.

Alex Kidd: The Lost Stars

Alex Kidd: The Lost Stars, released in 1988 for the SEGA Master System, holds a unique place in the realm of classic video games. Serving as a sequel to the original Alex Kidd in Miracle World, this title takes players on a whimsical journey through vibrant worlds filled with quirky enemies, intricate platforms, and engaging puzzles. The game’s charm derives from its colorful graphics, upbeat music, and its distinct ability to blend platforming challenges with adventure elements, making it a memorable experience for gamers of all ages. Set in the magical land of the Planet Paperock, Alex Kidd embarks on a quest to rescue his beloved sister, who has fallen prey to the clutches of the nefarious villain, the Dark King. Players traverse diverse levels, each characterized by unique motifs and obstacles that require precision and strategy to overcome. The environments range from lush forests to treacherous mountains, immersing players in a world where imagination reigns supreme. Additionally, the game features iconic items such as the magical power-up "Kidd Stone," which grants temporary invulnerability, enabling players to tackle foes more effectively. One of the standout features of Alex Kidd: The Lost Stars is its innovative gameplay mechanics. The title introduces the concept of transforming into different creatures and vehicles, allowing players to navigate tricky segments with newfound abilities. This enhancement not only adds variety to gameplay but also encourages exploration and experimentation. Players must master these transformations to succeed in their journey, which fosters a sense of accomplishment as they adapt to the evolving challenges presented throughout the game. Furthermore, the level design is remarkably intricate, incorporating hidden areas, secret passages, and collectible items that reward thorough exploration. The addition of boss battles at the end of each stage delivers exhilarating confrontations that require players to apply their skills and tactics effectively. With each victory over a formidable enemy, gamers feel a growing sense of triumph, compelling them to press onward through the colorful landscape of Paperock.

Alex the Allegator

DOS 1999
One of the first games by Johan Peitz, the main developer of Free Lunch Design. Alex the Allegator was intended to be an arcade platformer, but the author never finished it, only the demo of one level was released. Later, the company Free Lunch Design developed the sequels of this unreleased game - Alex the Allegator 2, 3 and 4.

Alex the Allegator 2

DOS 2003
Alex the Allegator 2 is a simple board game that can be played against the computer or against a friend. At first glance the game looks like an Othello clone, two players take turns placing colored tiles on an 8x8 board. Beyond that, the rules and objectives differ. The goal is to end the game with the highest score once either opponent has removed all of their tiles. On each turn, a player can place one of his colored checkers or slide any row/column one unit. The row/column cannot be moved again during a turn. When a group of four checkers forming a square is made, they are removed from the board. If a player manages to remove 6 checkers in a rectangle he is awarded a special yellow checker which acts as a joker allowing him to complete a square of any color. Gray tiles will periodically appear on the board in random places without being filled; a gray tile can only be removed with 3 yellow tiles. You can score points by completing squares of any color; for example, if your opponent slides a row and completes a square with your colored tiles, he gets the points instead of you. The game also has two challenge levels for human vs. computer mode, a high score table, sounds and music.

Alex The Allegator 3: Radioactive Racers

Windows 2002
2002, the year Alex The Allegator 3: Radioactive Racers was released on Windows. Made by Johan Peitz and published by Free Lunch Design AB, this racing / driving game is available for free on this page.

Alex the Allegator 4

Windows, BeOS, Mac 2003
Alex the Allegator 4 is a classic platform game released in 2003 for Windows. Developed by Free Lunch Design, it follows the adventures of Alex the alligator on a mission to rescue his friend Lola who has been captured by the evil wizard, Gluttonus. The game features colorful and vibrant graphics, smooth gameplay, and catchy music, all of which make it a delight to play. The gameplay of Alex the Allegator 4 is simple yet addictive. Players control Alex as he jumps, runs, and navigates through various levels in a bid to rescue Lola. The levels are creatively designed, with each presenting new challenges and obstacles to overcome. Players must be quick on their feet, as the game is fast-paced and requires split-second decision making. With its precise controls and responsive movements, the game offers a high level of control and precision, making it accessible to both young and old players. One of the unique aspects of Alex the Allegator 4 is its variety of power-ups and collectibles. These include fruit for health, coins for points, and special items such as a jetpack or a shield to aid in Alex's quest. The game also features boss battles, where players must defeat Gluttonus' henchmen to progress to the next level. These boss battles add another layer of excitement and challenge to the game, keeping players engaged and entertained. In addition to its engaging gameplay, Alex the Allegator 4 also boasts impressive graphics and an upbeat soundtrack. The colorful and cartoonish graphics give the game a playful and endearing feel. The levels are diverse, with different themes such as a jungle, a desert, and even outer space. This variation in scenery keeps the game from becoming monotonous and adds to its overall charm. The soundtrack is infectious and perfectly complements the action on the screen, making it impossible not to tap your feet to the beat. Furthermore, Alex the Allegator 4 offers a level editor, allowing players to create their own levels and challenges. This feature adds an extra layer of replayability, as well as fostering creativity and imagination. The game also supports multiplayer mode, where players can compete with friends or family on a split-screen. This feature adds a social aspect to the game, making it a perfect choice for game nights or hanging out with friends.
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