diff --git a/LICENSES b/LICENSES
new file mode 100644
index 0000000..d677c53
--- /dev/null
+++ b/LICENSES
@@ -0,0 +1,474 @@
+gfx/prlogo.png
+gfx/sflogo.png
+gfx/alienDevice.png
+
+Author: Parallel Realities <http://www.parallelrealities.co.uk/>
+License: GNU GPLv2 or later <https://gnu.org/licenses/old-licenses/gpl-2.0.html>
+
+------------------------------------------------------------------------
+
+gfx/iconBase.png
+gfx/arrowEast.png
+gfx/arrowNorth.png
+gfx/arrowNorthEast.png
+gfx/arrowNorthWest.png
+gfx/arrowSouth.png
+gfx/arrowSouthEast.png
+gfx/arrowSouthWest.png
+gfx/arrowWest.png
+gfx/stunBolt.png
+gfx/redDir.png
+gfx/greenDir.png
+gfx/sellIcon.png
+gfx/buyIcon.png
+gfx/gameover.png
+gfx/explode13.png
+gfx/explode14.png
+gfx/explode15.png
+gfx/explode16.png
+gfx/icon1.png
+gfx/icon2.png
+gfx/icon3.png
+gfx/icon6.png
+gfx/icon7.png
+gfx/icon11.png
+gfx/explode9.png
+gfx/explode10.png
+gfx/explode11.png
+gfx/explode12.png
+gfx/explode1.png
+gfx/explode1.png
+gfx/explode3.png
+gfx/explode4.png
+gfx/elec1.png
+gfx/elec2.png
+gfx/elec3.png
+gfx/elec4.png
+gfx/chainLink.png
+gfx/cursor.png
+gfx/smallFont.png
+gfx/targetText.png
+gfx/gameover.png
+gfx/icon8.png
+gfx/plasmaGreen.png
+gfx/plasmaRed.png
+
+Author: Astrid S. de Wijn
+License: CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0/>
+
+------------------------------------------------------------------------
+
+gfx/face_chris.png
+gfx/face_phoebe.png
+gfx/face_sid.png
+gfx/face_ursula.png
+
+Author: CharlesGabriel <http://cgartsenal.blogspot.com/>
+License: CC BY 3.0 <https://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/48x48-faces-2nd-sheet
+
+------------------------------------------------------------------------
+
+gfx/face_crew.png
+gfx/face_krass.png
+
+Author: CharlesGabriel <http://cgartsenal.blogspot.com/>
+License: CC BY 3.0 <https://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/48x48-faces-3rd-sheet
+
+------------------------------------------------------------------------
+
+gfx/face_kline.png
+
+Authors:
+  CharlesGabriel <http://cgartsenal.blogspot.com/>
+  Astrid
+License: CC BY 3.0 <https://creativecommons.org/licenses/by/3.0/>
+Sources:
+  http://opengameart.org/content/48x48-faces-2nd-sheet
+  http://opengameart.org/content/48x48-faces-4th-sheet
+Details:
+  Astrid combined parts from the two sheets.
+
+------------------------------------------------------------------------
+
+gfx/planet_sun.png
+
+Author: NASA <http://sdo.gsfc.nasa.gov/>
+License: Public Domain
+Source: http://opengameart.org/content/the-sun
+
+------------------------------------------------------------------------
+
+gfx/planet_blue.png
+gfx/planet_green.png
+gfx/planet_orange.png
+gfx/planet_red.png
+
+Author: athile <http://opengameart.org/users/athile>
+License: CC BY 3.0 <https://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/planets-pack-8
+
+------------------------------------------------------------------------
+
+gfx/drone1.png
+gfx/drone2.png
+gfx/tug1.png
+gfx/tug2.png
+gfx/mineBoss1.png
+gfx/mineBoss2.png
+gfx/mineBossWing11.png
+gfx/mineBossWing12.png
+gfx/mineBossWing21.png
+gfx/mineBossWing22.png
+gfx/mineBossWing31.png
+gfx/mineBossWing32.png
+gfx/mineBossWing41.png
+gfx/mineBossWing42.png
+gfx/missileBoat1.png
+gfx/missileBoat2.png
+gfx/merc1.png
+gfx/merc2.png
+
+Authors:
+  surt <http://opengameart.org/users/surt>
+  astrid
+License: CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0/>
+Source: http://opengameart.org/content/astrominer-sprites
+
+------------------------------------------------------------------------
+
+gfx/mine.png
+
+Author: Daniel Cook <http://lostgarden.com/>
+License: CC BY 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/iron-plague-minebmp
+
+------------------------------------------------------------------------
+
+gfx/transport1.png
+gfx/transport2.png
+
+Author: Daniel Cook <http://lostgarden.com/>
+License: CC BY 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/iron-plague-cargo2bmp
+
+------------------------------------------------------------------------
+
+gfx/dualFighter1.png
+gfx/dualFighter2.png
+
+Author: Daniel Cook <http://lostgarden.com/>
+License: CC BY 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/iron-plague-hunter1bmp
+
+------------------------------------------------------------------------
+
+gfx/mobileCannon1.png
+gfx/mobileCannon2.png
+
+Author: Daniel Cook <http://lostgarden.com/>
+License: CC BY 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/iron-plague-ship4bmp
+
+------------------------------------------------------------------------
+
+gfx/aimFighter1.png
+gfx/aimFighter2.png
+
+Author: Daniel Cook <http://lostgarden.com/>
+License: CC BY 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/iron-plague-doomdaybmp
+
+------------------------------------------------------------------------
+
+gfx/barrier.png
+
+Author: Daniel Cook <http://lostgarden.com/>
+License: CC BY 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/iron-plague-beacon2bmp
+
+------------------------------------------------------------------------
+
+gfx/wingmate1.png
+gfx/wingmate2.png
+gfx/evilUrsula1.png
+gfx/evilUrsula2.png
+
+Author: Daniel Cook <http://lostgarden.com/>
+License: CC BY 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/iron-plague-bshipbmp
+
+------------------------------------------------------------------------
+
+gfx/rebelCarrier1.png
+gfx/rebelCarrier2.png
+
+Author: Daniel Cook <http://lostgarden.com/>
+License: CC BY 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/iron-plague-cargo1bmp
+
+------------------------------------------------------------------------
+
+gfx/sid1.png
+gfx/sid2.png
+
+Author: Daniel Cook <http://lostgarden.com/>
+License: CC BY 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/iron-plague-ship2bmp
+
+------------------------------------------------------------------------
+
+gfx/kline11.png
+gfx/kline12.png
+
+Author: Daniel Cook <http://lostgarden.com/>
+License: CC BY 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/iron-plague-hunter2bmp
+
+------------------------------------------------------------------------
+
+gfx/plutoBoss1.png
+gfx/plutoBoss2.png
+gfx/splitBoss11.png
+gfx/splitBoss12.png
+gfx/splitBoss21.png
+gfx/splitBoss22.png
+gfx/splitBoss31.png
+gfx/splitBoss32.png
+
+Author: Daniel Cook <http://lostgarden.com/>
+License: CC BY 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/iron-plague-factory2bmp
+
+------------------------------------------------------------------------
+
+gfx/mobileShield1.png
+gfx/mobileShield2.png
+
+Author: Daniel Cook <http://lostgarden.com/>
+License: CC BY 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/iron-plague-warpbmp
+
+------------------------------------------------------------------------
+
+gfx/cloakShip1.png
+gfx/cloakShip2.png
+
+Author: Archanix <http://www.archanix.webs.com/>
+License: CC BY 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/battlefront-operation-x-final-striker
+
+------------------------------------------------------------------------
+
+gfx/goodTrans1.png
+gfx/goodTrans2.png
+
+Authors:
+  Rusty
+  Archanix
+License: CC BY 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/ship-recoloring-001-for-gm-game
+
+------------------------------------------------------------------------
+
+gfx/escort1.png
+gfx/escort2.png
+
+Author: Clint Bellanger <http://opengameart.org/users/clint-bellanger>
+License: CC BY 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/spaceship-360
+
+------------------------------------------------------------------------
+
+gfx/frigateBody1.png
+gfx/frigateBody2.png
+gfx/frigateGun11.png
+gfx/frigateGun12.png
+gfx/frigateGun21.png
+gfx/frigateGun22.png
+
+Authors:
+  Skorpio <http://opengameart.org/users/skorpio>
+  Astrid
+License: CC BY-SA 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/spaceships-top-down
+
+------------------------------------------------------------------------
+
+gfx/miner1.png
+gfx/miner2.png
+gfx/slaveTrans1.png
+gfx/slaveTrans2.png
+gfx/eliteFighter1.png
+gfx/eliteFighter2.png
+
+Author: Skorpio <http://opengameart.org/users/skorpio>
+License: CC BY-SA 3.0 <http://creativecommons.org/licenses/by/3.0/>
+Source: http://opengameart.org/content/spaceships2-top-down
+
+------------------------------------------------------------------------
+
+gfx/icon5.png
+gfx/firefly1.png
+gfx/firefly2.png
+gfx/firefly-big.png
+
+Author: Lamoot
+License: CC0 <http://creativecommons.org/publicdomain/zero/1.0/>
+Source: http://opengameart.org/content/top-down-space-fighter-sprite
+
+------------------------------------------------------------------------
+
+gfx/icon9.png
+gfx/icon10.png
+gfx/icon12.png
+gfx/icon14.png
+gfx/icon15.png
+gfx/icon16.png
+gfx/icon17.png
+gfx/icon23.png
+gfx/rocket.png
+gfx/superCharge.png
+gfx/cargo1.png
+gfx/plasmaDamage.png
+gfx/plasmaAmmo.png
+gfx/plasmaRate.png
+gfx/heart.png
+gfx/dollar.png
+gfx/pod.png
+
+Authors:
+  Ails <http://ails.deviantart.com/>
+  Astrid
+License: CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>
+Source: http://opengameart.org/content/420-pixel-art-icons-for-medievalfantasy-rpg
+
+------------------------------------------------------------------------
+
+gfx/icon13.png
+gfx/icon18.png
+gfx/icon19.png
+gfx/icon20.png
+gfx/icon22.png
+gfx/icon24.png
+gfx/icon25.png
+gfx/rocketAmmo.png
+gfx/rocket1.png
+gfx/rocket2.png
+
+Authors:
+  OceansDream <http://oceansdream.deviantart.com/art/Pixel-Icons-available-for-use-121152370>
+  Astrid
+License: CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>
+Source: http://opengameart.org/content/various-inventory-24-pixel-icon-set
+
+------------------------------------------------------------------------
+
+icon21.png
+
+Authors:
+  Torsten Henning
+  Astrid
+License: Public Domain
+Source: http://en.wikipedia.org/wiki/File:DIN_4844-2_Warnung_vor_Laserstrahl_D-W010.svg
+
+------------------------------------------------------------------------
+
+icon4.png
+
+Authors:
+  Gobusto <http://opengameart.org/users/gobusto>
+  Astrid
+License: CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>
+Source: http://opengameart.org/content/floppy-disk
+
+------------------------------------------------------------------------
+
+gfx/explode05.png
+gfx/explode06.png
+gfx/explode07.png
+gfx/explode08.png
+
+Author: Cuzco <http://opengameart.org/users/cuzco>
+License: CC0 <http://creativecommons.org/publicdomain/zero/1.0/>
+Source: http://opengameart.org/content/explosion
+
+------------------------------------------------------------------------
+
+gfx/asteroid1.png
+gfx/asteroid2.png
+gfx/asteroid3.png
+
+Author: dczanik <http://opengameart.org/users/dczanik>
+License: CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>
+Source: http://opengameart.org/content/asteroid-rotating
+
+------------------------------------------------------------------------
+
+gfx/ore2.png
+
+Author: phaelax <http://opengameart.org/users/phaelax>
+License: CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>
+Source: http://opengameart.org/content/asteroids
+
+------------------------------------------------------------------------
+
+gfx/ore1.png
+gfx/ore3.png
+
+Authors:
+  phaelax <http://opengameart.org/users/phaelax>
+  onpon4 <https://onpon4.github.io>
+License: CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>
+Source: http://opengameart.org/content/asteroids
+Details:
+  Made by colorizing phaelax's white asteroids in the GIMP.
+
+------------------------------------------------------------------------
+
+gfx/startUp.jpg
+
+Author: NASA
+License: Public Domain
+Source: http://hubblesite.org/gallery/album/galaxy/pr2009014a/
+
+------------------------------------------------------------------------
+
+gfx/spirit.jpg
+
+Author: NASA
+License: Public Domain
+Source: http://hubblesite.org/gallery/album/star/pr1992029a/warn/npp/all/
+
+------------------------------------------------------------------------
+
+gfx/eyananth.jpg
+
+Author: NASA
+License: Public Domain
+Source: http://hubblesite.org/gallery/album/nebula/pr2009025e/
+
+------------------------------------------------------------------------
+
+gfx/mordor.jpg
+
+Author: NASA
+License: Public Domain
+Source: http://hubblesite.org/gallery/album/nebula/pr2006001q/
+
+------------------------------------------------------------------------
+
+gfx/sol.jpg
+
+Author: NASA
+License: Public Domain
+Source: http://hubblesite.org/gallery/album/star/pr2007004a/npp/all/
+
+------------------------------------------------------------------------
+
+gfx/credits.jpg
+
+Author: NASA
+License: Public Domain
+Source: http://hubblesite.org/gallery/album/nebula/pr2005012b/
\ No newline at end of file
diff --git a/gfx/asteroid1.png b/gfx/asteroid1.png
index 347cc69..d7d339b 100644
Binary files a/gfx/asteroid1.png and b/gfx/asteroid1.png differ
diff --git a/gfx/asteroid2.png b/gfx/asteroid2.png
index ec527c2..b0fa9b9 100644
Binary files a/gfx/asteroid2.png and b/gfx/asteroid2.png differ
diff --git a/gfx/asteroid3.png b/gfx/asteroid3.png
index 6cef712..c763e8b 100644
Binary files a/gfx/asteroid3.png and b/gfx/asteroid3.png differ
diff --git a/gfx/ore1.png b/gfx/ore1.png
index 1ddaa72..33bfc4d 100644
Binary files a/gfx/ore1.png and b/gfx/ore1.png differ
diff --git a/gfx/ore2.png b/gfx/ore2.png
index a3555d9..beeb0d1 100644
Binary files a/gfx/ore2.png and b/gfx/ore2.png differ
diff --git a/gfx/ore3.png b/gfx/ore3.png
index be1165c..2c30ae0 100644
Binary files a/gfx/ore3.png and b/gfx/ore3.png differ
diff --git a/sources.gfx b/sources.gfx
deleted file mode 100644
index c262040..0000000
--- a/sources.gfx
+++ /dev/null
@@ -1,139 +0,0 @@
-author: Astrid S. de Wijn, license: CC-BY-SA 3.0
-icon11.png
-iconBase.png
-arrow*.png
-stunBolt.png
-*Dir.png
-sellIcon.png
-buyIcon.png
-gameover.png
-explode13.png,explode14.png,explode15.png,explode16.png
-icon1.png,icon2.png,icon3.png,icon6.png,icon7.png
-explode9.png
-explode10.png
-explode11.png
-explode12.png
-explode1.png
-explode1.png
-explode3.png
-explode4.png
-elec*.png
-chainLink.png
-cursor.png
-smallFont.png: monospace bold 13 pt (gimp)  anti-aliasing is off.
-targetText.png: same font, smaller, anti-aliasing on
-gameover.png: 72pt
-icon8.png
-plasmaGreen.png
-plasmaRed.png
-
-faces except kline: CC-BY 3.0; author: Antifarea
-face_chris.png http://opengameart.org/content/48x48-faces-2nd-sheet
-face_phoebe.png http://opengameart.org/content/48x48-faces-2nd-sheet
-face_sid.png http://opengameart.org/content/48x48-faces-2nd-sheet
-face_ursula.png http://opengameart.org/content/48x48-faces-2nd-sheet
-face_crew.png http://opengameart.org/content/48x48-faces-3rd-sheet
-face_krass.png http://opengameart.org/content/48x48-faces-3rd-sheet
-
-face_kline.png: CCBY 3.0; author: Antifarea, remixed by Astrid, combination of http://opengameart.org/content/48x48-faces-2nd-sheet and http://opengameart.org/content/48x48-faces-4th-sheet 
-
-planet_sun.png CC0; author: NASA; http://opengameart.org/content/the-sun (reduced in size)
-
-planet_*.png CC-BY 3.0: author: athile ; http://opengameart.org/content/planets-pack-8 (reduced in size)
-icon26.png
-
-GPL 2.0 GPL 3.0 CC-BY-SA 3.0 http://opengameart.org/content/astrominer-sprites (remixed by astrid)
-drone*.png
-tug[12].png
-mineBoss*.png 
-missileBoat*.png
-merc*.png
-
-mine.png CC-BY 3.0 http://opengameart.org/content/iron-plague-minebmp
-transport*.png CC-BY 3.0 http://opengameart.org/content/iron-plague-cargo2bmp
-dualFighter*.png http://opengameart.org/content/iron-plague-hunter1bmp
-mobileCannon*.png http://opengameart.org/content/iron-plague-ship4bmp
-aimFighter*.png http://opengameart.org/content/iron-plague-doomdaybmp
-barrier.png http://opengameart.org/content/iron-plague-beacon2bmp
-wingmate*.png http://opengameart.org/content/iron-plague-bshipbmp
-evilUrsula*.png http://opengameart.org/content/iron-plague-bshipbmp
-rebelCarrier*.png http://opengameart.org/content/iron-plague-cargo1bmp
-sid*.png http://opengameart.org/content/iron-plague-ship2bmp
-kline1*.png http://opengameart.org/content/iron-plague-hunter2bmp
-plutoBoss* http://opengameart.org/content/iron-plague-factory2bmp
-splitBoss* http://opengameart.org/content/iron-plague-factory2bmp
-mobileShield* http://opengameart.org/content/iron-plague-warpbmp
-
-
-cloakShip*.png http://opengameart.org/content/battlefront-operation-x-final-striker
-goodTrans*.png http://opengameart.org/content/ship-recoloring-001-for-gm-game
-
-escort*.png http://opengameart.org/content/spaceship-360
-
-explode0*.png CC0 http://opengameart.org/content/explosion, resized
-
-asteroid1.png: public domain ; author: NASA ; http://en.wikipedia.org/wiki/File:571423main_pia14316-full_full_Vesta.jpg (21 Lutitia)
-asteroid2.png, asteroid3.png: public domain ; author: NASA ; http://en.wikipedia.org/wiki/File:571423main_pia14316-full_full_Vesta.jpg (253 Mathilde)
-
-startUp.jpg: public domain; author: NASA (Hubble space telescope) ; http://hubblesite.org/gallery/album/galaxy/pr2009014a/
-
-achtergrond*.jpg: public domain; author: NASA (Hubble space telescope)  (cropped and curves modified)
-achtergrond1.jpg/eyananth.jpg: http://hubblesite.org/gallery/album/nebula/pr2009025e/
-achtergrond2.jpg/mordor.jpg: http://hubblesite.org/gallery/album/nebula/pr2006001q/ 
-achtergrond3.jpg/spirit.jpg: http://hubblesite.org/gallery/album/star/pr1992029a/warn/npp/all/
-achtergrond4.jpg/sol.jpg: http://hubblesite.org/gallery/album/star/pr2007004a/npp/all/
-achtergrond5.jpg/credits.jpg: http://hubblesite.org/gallery/album/nebula/pr2005012b/
-
-ore*.png: public domain ; author: NASA ; http://en.wikipedia.org/wiki/File:571423main_pia14316-full_full_Vesta.jpg (243 Ida), modified by Astrid
- 
-frigate*.png, execTrans* GPL 3.0 CC-BY-SA 3.0, Skorpio, http://opengameart.org/content/spaceships-top-down, remixed by Astrid
-miner*.png slaveTrans*.png http://opengameart.org/content/spaceships2-top-down
-
-icon5.png,firefly*.png CC0 http://opengameart.org/content/top-down-space-fighter-sprite
-
-GPL 2.0, GPL 3.0, CC-BY-SA 3.0; Ails, http://opengameart.org/content/420-pixel-art-icons-for-medievalfantasy-rpg remixed by Astrid
-icon23.png
-icon16.png
-icon17.png
-icon15.png
-icon10.png
-icon12.png
-icon14.png
-icon9.png
-rocket.png
-superCharge.png
-cargo1.png
-plasmaDamage.png
-plasmaAmmo.png
-plasmaRate.png
-heart.png
-dollar.png
-pod.png
-
-CC-BY 3.0 CC-BY-SA 3.0 ; OceansDream http://opengameart.org/content/various-inventory-24-pixel-icon-set, remixed by Astrid
-icon18.png
-icon19.png
-icon20.png
-icon22.png
-icon24.png
-icon25.png
-rocketAmmo.png
-icon13.png
-rocket[12].png
-
-public domain http://en.wikipedia.org/wiki/File:DIN_4844-2_Warnung_vor_Laserstrahl_D-W010.svg , remixed by Astrid
-icon21.png
-
-old data:
-prlogo.png
-sflogo.png
-alienDevice.png
-
-
-icon4.png CC-BY-SA 3.0 http://opengameart.org/content/floppy-disk, remixed by astrid
-
-CC-BY-SA 3.0 http://opengameart.org/content/spaceships2-top-down
-eliteFighter*.png 
-
-All GIF and BMP images have been converted to PNG. PNG and JPEG files are
-optimised using advpng from AdvanceCOMP, and the jpegoptim utility.