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Chicken Invaders is a long running series (since 1997) of shoot-em-up games created by InterAction studios, made in the Ultra VGA Engine. It's based on the old arcade classic Space Invaders, where you shoot Chickens, stop their evil plans and save Earth (and humanity too).

The core mechanics of the games are very simple: you clear waves of Chickens and other enemies, avoid eggs and other projectiles, collect Powerups to make your weapon stronger, get the Food items to obtain Missiles, and collect Keys to unlock items in the Unlockables menu.

The series also include various holiday themed Editions.

Game List

Name/Logo Release Date Notes
CIDOS
Chicken Invaders
(DOS VERSION)
1997 (UNRELEASED)
A very unfinished "conceptual" version of Chicken Invaders, and the actual first game in the series. The only game from InterAction studios made on UVE++.
Chicken Invaders
(JAVA VERSION)
1997-1998 (UNRELEASED)
Port of the DOS version to Java. Said by InterAction studios to be disappointing, as "it was written in a time when Java was only just starting as a language and the graphics/sound/animation/performance capabilities were severly limited."
CI1Logo
Chicken Invaders
(DX VERSION)
07/24/1999 (1.01)
First public Chicken Invaders game and the canonical start of the series. Reimagined version of the DOS version made on UveDX. First to use rendered graphics, as earlier games used pixel art.
Ci2logo
Chicken Invaders:
The Next Wave
12/22/2002 (Original)
01/26/2012 (Remastered)
03/04/2016 (Steam)
Sequel to the first Chicken Invaders. Had a different Beta. Longest wait for a new game.
CI2XmasLogo
Chicken Invaders:
The Next Wave
Christmas Edition
11/25/2003 (Original)
12/20/2011 (Remastered)
03/04/2016 (Steam)
Originally only available during the months leading up to Christmas. First Edition.
Ci3logo
Chicken Invaders:
Revenge of the Yolk
01/20/2007 (Original)
06/08/2015 (Steam)
Sequel of The Next Wave. First to use UveDX8, and the only game in the series to have an edition arrive before the regular version. First game to be ported to Linux, Mac, and Mobiles.
CI3XmasLogo
Chicken Invaders:
Revenge of the Yolk
Christmas Edition
11/11/2006 (Original)
06/08/2015 (Steam)
The only edition to come before the regular version. Had a beta in October 2006 in which 44 people tested.
CI3EasterLogo
Chicken Invaders:
Revenge of the Yolk
Easter Edition
02/12/2010 (Original)
06/08/2015 (Steam)
First Easter edition. The longest wait between editions of a single game. Second longest wait for a new game. First to use UveXX.
Ci4logo
Chicken Invaders:
Ultimate Omelette
12/06/2010 (Full Version)
11/29/2010 (Demo)
06/06/2014 (Steam)
Sequel of Revenge of the Yolk. Had a beta in November 2010 in which 132 people tested. Was the award winner of the top PC casual games of 2010 by Adrenaline Vault.
CI4XmasLogo
Chicken Invaders:
Ultimate Omelette
Christmas Edition
11/24/2011 (Original)
06/06/2014 (Steam)
First edition of Ultimate Omelette.
CI4EasterLogo
Chicken Invaders:
Ultimate Omelette
Easter Edition
03/11/2012 (Original)
06/06/2014 (Steam)
Shortest wait between editions. Currently the last Easter edition.
CI4ThanksgivingLogo
Chicken Invaders:
Ultimate Omelette
Thanksgiving Edition
11/15/2013 (Original)
06/06/2014 (Steam)
First and only Thanksgiving edition. First to run on UveUDX.
Ci5logo
Chicken Invaders:
Cluck of the Dark Side
11/21/2014 (Original)
03/13/2015 (Steam)
Sequel of Ultimate Omelette. Had a beta in October/November 2014 in which 175 people tested.
CI5HalloweenLogo
Chicken Invaders:
Cluck of the Dark Side
Halloween Edition
10/02/2015
First edition of a Chicken Invaders game to come out after a new game that isn't the Christmas edition. First and only halloween edition.
CI5XmasLogo
Chicken Invaders:
Cluck of the Dark Side
Christmas Edition
09/19/2016 (Early Access)
12/01/2016 (Official)
First Christmas edition not to be the first edition for a Chicken Invaders game. Currently the last Christmas edition, the most recent Chicken Invaders game, and the most recent game from InterAction studios.
CIUSmall
Chicken Invaders Universe
October 2018 (Early Access)
December 2018 (Full Release)
MMO-like spin-off. Currently in developement.

Trivia

  • CIDOS
    Before the "first" Chicken Invaders (the UveDX version) that was officially released came the C++ version, the Java version, and likely some other versions too. The C++ version was written in BC++ v3.1 for DOS, and some of its code survived in the series engine to this day, and the Java version was somewhat disappointing since its features were severely limited due to Java having just started off. The only thing from those versions left today is this title screen of the BC++ v3.1 DOS version.
    • This version is also the first one to use rendered graphics, as earlier games used pixel art instead. The Hero also didn't exist in those versions, instead, the player was controlling a handgun.
  • The series at first expanded what the Hero had to travel through to save Earth, it was first the Earth itself only, then the entire Solar System, then the Milky Way, then the galaxies around it. Cluck of the Dark Side focused on the Milky Way again. Even though Universe is not an episode, it will expand again to cover a completely different galaxy.
  • The Hero only says two lines of dialogue in Chicken Invaders. In The Next Wave, he doesn't say anything. In Revenge of the Yolk and beyond, he gets more detailed and comical dialogue every chapter, and he also gets to talk in certain waves.