10 Fun Free and Open Source 2D Shooter Games

2D Shooter Games2D shooter games are a subgenre of shooter game, which in turn is a type of action game. It’s difficult to exactly define which specific design elements make up a shooter game, but often they feature spacecraft and certain types of character movement.

This type of game is extremely popular and fairly well represented by open source developers.

All of the games featured below are highly addictive, immersive, fascinating, and hugely satisfying. Attractive graphics are an important element to any shooting game. But these games also have great gameplay coupled with the urge of always having just one more play. And as the source code is freely available, anyone can pick up, modify, and expand upon the games.

There is an eligibility criteria that needs to be met to be included in this round up (see below).

Let’s explore the 10 games. For each game we have compiled its own portal page, a full description with an in-depth analysis of its features, a screen shot of the game in action, together with links to relevant resources.

2D Shooting Games
Chromium B.S.USimilar to the classic DOS game Raptor
Destination SolPilot your ship in the open world made of space, planets, and more
Fish Folk: JumpyTactical 2D shooter in fishy pixels style
Kobo DeluxeEnhanced version of Akira Higuchi's game XKobo
n-gon2D physics rogue-lite platformer shooter
OpenTyrianPort of the DOS vertical shoot-em-up Tyrian
PowermangaShoot-em-up game with 41 levels and more than 200 sprites
Project: StarfighterSide-scrolling shoot 'em up space game
TaiseiTop down perspective shoot’em up in the style of the Touhou Project
UnderrunTwin stick shooter using WebGL

Note: The games are listed in alphabetical order.

Eligibility criteria

TickFree to download. The project must be available to download without charge but the authors may accept donations.

TickPublished under an open source license. Popular open source licenses for games include MIT License, GNU General Public License, and BSD License.

TickNot in an early stage of development. The game must be in a stage of development where it’s playable but not necessarily complete.

TickDoes not rely exclusively on data from proprietary software. The game must not require purchasing or owning proprietary data from a different project.

TickGame media (such as graphics/sound) is released under an open source license or a Creative Commons license.


All articles in this series:

Open Source Games
2D Shooter Games2D Shooter: Part 1, Part 2 - They are a subgenre of shooter game, which in turn is a type of action game. It’s difficult to exactly define which specific design elements make up a shooter game.
Adventure GamesAction-Adventure - They combine core elements from both the action game and adventure game genres. Expect both your reflexes and problem-solving skills to be tested.
Arcade GamesArcade is a video game genre with a focus on gameplay rather than story or content. They reached their peak in the late 1970s and 1980s.
Board GamesBoard - This genre of game is a device of social interaction, they challenge the mind and, most importantly, they are great fun to play.
Card GamesCard - They offer many positive attributes. They can improve mental skills, memory and logic. They can test your patience, help you focus, and are popular for all ages.
Chess

Chess: Apps, Chess Engines, Online Chess Clients - Chess is a recreational and competitive board game played between two players. It is a very popular game, played by millions across the world, in clubs, online, by correspondence, and in tournaments.
Educational GamesEducational - These games designed to teach people, typically children, about a certain subject or help them learn a skill as they play. They are sometimes known as games edutainment because they combine education and entertainment.
First-Person Shooter GamesFirst-Person Shooter: Part 1, Part 2 - This is a computer game genre focused on guns and other weapon-based fighting using a first-person perspective. Fast and furious gameplay guaranteed.
Platform GamesPlatform: Part 1, Part 2 - Subgenre of action games in which the core objective is to move the player character between points in a rendered environment. They are also known as jump 'n' run games.
Puzzle GamesPuzzle - They make up a broad genre of games that emphasize puzzle solving. The types of puzzles can test problem-solving skills, including logic, pattern recognition, sequence solving, spatial recognition, and word completion.
Racing GamesRacing - This is a video game genre in which the player participates in a racing competition. The most common types of sub-genres are arcade-style, simulation, futuristic and kart.
Real-Time Strategy GamesReal-Time Strategy - A time-based game which typically focuses on finding resources, managing resources, and building an empire. You can engage other players and make alliances, and find different ways to conquer foes.
Rhythm GamesRhythm - Music-themed action video game that challenges a player's sense of rhythm. Games in the genre typically focus on dance or the simulated performance of musical instruments.
RoguelikeRoguelike - A subgenre of role-playing games characterized by a dungeon crawl through procedurally generated levels, turn-based gameplay, grid-based movement, and permanent death of the player character.
Role-Play GamesRole-Play: Part 1, Part 2- Players assume the roles of characters in a fictional setting. There are several forms of role-playing games.
Sandbox GamesSandbox - This genre provides the player a great degree of creativity to interact with, usually without any predetermined goal, or alternatively with a goal that the player sets for themselves.
Simulation GamesSimulation - A simulation video game describes a diverse category of video games, generally designed to closely simulate real world activities. These games do not necessarily offer entertainment, at least not primarily.
Sports GamesSports is a video game genre that simulates the practice of sports such as football, golf, pool. and more.
ASCII GamesText Based: Part 1, Part 2 - These games often receive little coverage in the Linux press. However, there are some real ASCII gems out there waiting to be explored which are immensely addictive and great fun to play.
Turn-Based Strategy GamesTurn-Based Strategy: Part 1, Part 2 - We examine games that require intelligence, and the ability to come up with an innovative plan that will leave the competition mesmerized. Players take turns when playing, strategically seeking to outsmart the enemy.
Best Free and Open Source SoftwareRead our complete collection of recommended free and open source software. Our curated compilation covers all categories of software.

The software collection forms part of our series of informative articles for Linux enthusiasts. There are hundreds of in-depth reviews, open source alternatives to proprietary software from large corporations like Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk.

There are also fun things to try, hardware, free programming books and tutorials, and much more.
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