Duck Marines

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Duck Marines
Duck Marines.png
4 players
GenreArcade
PlatformsGNU/Linux, Windows, macOS
DevelopersTangram Games (originally), others (libre versions)
Code licenseszlib, ICU[1]
Media licensesCC BY-SA 4.0, CC BY 4.0, CC BY US 3.0, CC0[1]
EngineLÖVE
P. languageLua
LibrariesSLAM, Tserial
Contribute
Duck Marines is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.
Available as a package in:  
Mageia logo small.jpg Mageia: duckmarines


Note: This article is about multiple libre versions of the game Duck Marines with libre music files. Those libre games may differ slightly, but share the same article for simplicity. This article is not about the original Duck Marines as published initially by Tangram Games.

Duck Marines is a 2D multiplayer arcade and party game for 2 to 4 players. Players compete to lead as many ducks as possible into their own submarines while avoiding predators from eating the ducks. It can be played locally against other players or against the computer.

Gameplay[edit]

The game is played on a small 2D map based on tiles. Ducks and predators will spawn out of holes. The players can interact with the map by placing a number of arrow tiles on the map. Ducks and predators will follow the arrows or take turns when they run into a wall.

Each time a duck or predator enters a submarine, something happens:

  • Gray duck: Player gets +1 point
  • Gold duck: Player gets many points
  • Pink duck: Special event or minigame starts
  • Predator (blue): Player losts many points

Special events change something random in the game. This includes faster or slower ducks, sending more predators, etc. In mini games, the players compete for bonus points.

The game also comes with a simple level editor allowing players to build custom levels.

Information on libre versions[edit]

There are currently two main libre versions of Duck Marines. Both versions replace the non-free music of the original game:

Licensing[edit]

The source code of Duck Marines (in all variants) is under the zlib license. It also comes with two small utility libraries (also licensed identically in all variants):

The media files with the exception of music are under CC BY-SA 4.0 and are original works by Tangram Games. In the libre Duck Marines variants, Music files are under various licenses: CC0, CC BY US 3.0, CC BY 4.0, CC BY-SA 4.0[5][2].

Soundtrack[edit]

Both libre variants feature various tracks by various chiptune artists:

  • "Bubbling Pots and Troubling Thoughts" by UncleBibby (CC BY 4.0)
  • "Chasing the Port Chains" by Rolemusic (CC BY 4.0)
  • "Chipho" by RoccoW (CC BY-SA 4.0)
  • "Messeah" by RoccoW (CC BY 4.0)
  • "The Staff" by Multifaros (CC BY 3.0 US)
  • "Break-A-Leg" by RoccoW (CC BY 4.0)
  • "Human Crossing" by UncleBibby (CC BY 4.0)

The "glitchapp/Duck-marines" repository also features:

  • "Rythm garden remixed" (CC0)

Note that this soundtrack is completely different than in the original Tangram Games version in which the music is licensed under the non-free CC BY-NC-ND 4.0[6].

References[edit]

  1. ↑ 1.0 1.1 See "Licensing" section
  2. ↑ 2.0 2.1 https://madb.mageialinux-online.org/show?rpm=duckmarines
  3. ↑ https://codeberg.org/glitchapp/Duck-marines/src/branch/main/slam.lua
  4. ↑ https://metadata.ftp-master.debian.org/changelogs//main/m/mrrescue/mrrescue_1.02e-3_copyright
  5. ↑ https://codeberg.org/glitchapp/Duck-marines/src/branch/main/LICENSE.md
  6. ↑ https://github.com/SimonLarsen/duckmarines/blob/master/LICENSE.md?tab=License-1-ov-file
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