###Textures
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grasslands/drygrass.jpg - CC0 - grass01.jpg by Calinou from http://opengameart.org/content/3-seamless-grass-textures
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grasslands/gx_03_rock_01.jpg - CC-BY 3.0 - CliffRock.JPG by Dim from http://opengameart.org/content/dims-enviromental-and-architectural-textures; resized in GIMP
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grasslands/american_cherry.jpg - CC0 - wood1.jpg by JCW from http://opengameart.org/content/wood-texture-tiles; resized in GIMP
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grasslands/dirt01.jpg - CC-BY 3.0 - PackedDirt.JPG by Dim from http://opengameart.org/content/dims-enviromental-and-architectural-textures; resized in GIMP
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grasslands/dirt02.jpg - CC-BY 3.0 - dirt1.png by Lamoot from http://opengameart.org/content/dirt-004; recoded in GIMP
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grasslands/grass04.jpg - CC-BY 3.0 - Grass2.JPG by Dim from http://opengameart.org/content/dims-enviromental-and-architectural-textures; resized in GIMP
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grasslands/grass03.jpg - CC-BY 3.0 - IMGP1392.jpg by bart from http://opengameart.org/content/26-high-res-ground-textures; resized, cropped and made seamless again (because of cropping) in GIMP
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grasslands/grass5.jpg - CC-BY 3.0 - IMGP1533.jpg by bart from http://opengameart.org/content/26-high-res-ground-textures; resized, cropped and made seamless again (because of cropping) in GIMP
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grasslands/rock01.jpg - GPL 2.0 - Tileable8c.png by p0ss from http://opengameart.org/content/117-stone-wall-tilable-textures-in-8-themes; resized and converted to jpg in GIMP
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grasslands/brick01.jpg - CC0 - by Nebenbei from https://pixabay.com/es/fondo-textura-estructura-muro-1260304; recoded, resized, cropped and edited to make tileable in GIMP
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mech/crate.jpg - CC0 - crate2_diffuse.png by Luke.RUSTLTD from http://opengameart.org/content/3-crate-textures-w-bump-normal; recoded and resized in GIMP
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mech/metalbox.jpg - CC0 - set3_example_4.png by rubberduck from http://opengameart.org/content/free-metal-texture-creation-set-03; recoded and resized in GIMP
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mech/box-metal01.jpg - CC0 - metalbox_full.png by Luke.RUSTLTD from http://opengameart.org/content/scratched-metal-crate; recoded and resized in GIMP
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mech/basefloor01.jpg - CC-BY-SA 3.0 - by Parallel Realities
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mech/plasmapipe.jpg - CC-BY-SA 3.0 - by Parallel Realities
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mech/computerscreen01.jpg - GPL 2+ - Fedora_24.jpg by Funkruf from https://commons.wikimedia.org/wiki/File:Fedora_24.jpg; recoded and resized in GIMP
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mech/computerscreen02.jpg - CC-BY 4.0 - CentOS_7_GNOME_rus.png by The CentOS Project from https://commons.wikimedia.org/wiki/File:CentOS_7_GNOME_rus.png; recoded and resized in GIMP
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mech/computerscreen03.jpg - CC-BY-SA 4.0 - Gnome_Shell_Applications_Screen.png from https://commons.wikimedia.org/wiki/File:Gnome_Shell_Applications_Screen.png; recoded and resized in GIMP
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mech/computerscreen04.jpg - GFDL 1.3+ - Trisquel_GNU_Linux_5.5_screenshot_-_Desktop_settings.jpeg by The Trisquel Project from https://commons.wikimedia.org/wiki/File:Trisquel_GNU_Linux_5.5_screenshot_-_Desktop_settings.jpeg; recoded and resized in GIMP
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mech/computerscreen05.jpg - CC-BY-SA 4.0 - Kde5.png by Beast from https://commons.wikimedia.org/wiki/File:Kde5.png
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mech/computerscreen06.jpg - CC-BY-SA 3.0 - Fedora_15_Lovelock_Gnome3.png by Pascal Schneider from https://commons.wikimedia.org/wiki/File:Fedora_15_Lovelock_Gnome3.png; recoded and resized in GIMP
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mech/computerscreen07.jpg - Public domain - Bioslax-SS6.jpg by Markds from https://commons.wikimedia.org/wiki/File:Bioslax-SS6.jpg; recoded and resized in GIMP
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mech/computerscreen08.jpg - GFDL 1.2+ - Trisquel_7.0_LTS_screenshot.jpg by The Trisquel Project from https://commons.wikimedia.org/wiki/File:Trisquel_7.0_LTS_screenshot.jpg; recoded and resized in GIMP
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mech/computerscreen09.jpg - GPL 2+ - Tilda_Screenshot.png by Jbalint from https://commons.wikimedia.org/wiki/File:Tilda_Screenshot.png; recoded and resized in GIMP
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mech/energybarrier01.jpg - CC-BY 4.0 - by Xavier Mendez
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mech/energybarrier02.jpg - CC-BY 4.0 - by Xavier Mendez
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mech/glass01.jpg - CC-BY 4.0 - by Xavier Mendez
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mech/biohazard.jpg - public domain - Biohazard.svg (version from 2016-01-20) from https://commons.wikimedia.org/wiki/File:Biohazard.svg; removed frame, changed by solid background, changed foregroud colors and rastered in Inkscape
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liquid/lava01.jpg - CC0 - Fire_Texture_01.png by DragonMaster4131 https://commons.wikimedia.org/wiki/File:Fire_Texture_01.png; recoded and made seamless in GIMP
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liquid/lava02.jpg - CC0 - melty_02.png by Prime_8 from http://opengameart.org/content/molten-rock-like-thing; recoded and modified (with color curves) in GIMP
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liquid/cryptpool.jpg - CC-BY-SA 3.0 - by Parallel Realities
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liquid/mist.jpg - CC-BY-SA 3.0 - by Parallel Realities
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liquid/waste01.jpg - CC-BY-SA 3.0 - by Parallel Realities
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arctic/snow_01.png - CC-BY 3.0, OGA-BY 3.0 - Snow.png by erxer1 from http://opengameart.org/content/seamless-snow-texture; recoded and resized in GIMP
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game/AIUnit.png - CC-BY-SA 3.0 - by Parallel Realities
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game/altSwitch1.png - CC-BY-SA 3.0 - by Parallel Realities
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game/altSwitch2.png - CC-BY-SA 3.0 - by Parallel Realities
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game/aquaBlob.png - CC-BY-SA 3.0 - by Parallel Realities
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game/arrow.png - CC-BY-SA 3.0 - by Parallel Realities
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game/black.png - CC-BY-SA 3.0 - by Parallel Realities
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game/blackDroid.png - CC-BY-SA 3.0 - by Parallel Realities
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game/blood01.png - CC-BY-SA 3.0 - by Parallel Realities
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game/blood02.png - CC-BY-SA 3.0 - by Parallel Realities
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game/blood03.png - CC-BY-SA 3.0 - by Parallel Realities
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game/blood04.png - CC-BY-SA 3.0 - by Parallel Realities
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game/blood05.png - CC-BY-SA 3.0 - by Parallel Realities
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game/blueGem.png - CC-BY-SA 3.0 - by Parallel Realities
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game/bullet.png - CC-BY-SA 3.0 - by Parallel Realities
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game/cherry.png - CC-BY-SA 3.0 - by Parallel Realities
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game/cherryTexture.png - CC-BY-SA 3.0 - by Parallel Realities
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game/danger.png - CC-BY-SA 3.0 - by Parallel Realities
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game/darkBlob.png - CC-BY-SA 3.0 - by Parallel Realities
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game/dawn.jpg - CC-BY-SA 3.0 - by Parallel Realities
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game/demolitionPlate01.png - CC-BY-SA 3.0 - by Parallel Realities
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game/demolitionPlate02.png - CC-BY-SA 3.0 - by Parallel Realities
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game/demolitionPlate03.png - CC-BY-SA 3.0 - by Parallel Realities
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game/demolitionPlate04.png - CC-BY-SA 3.0 - by Parallel Realities
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game/demolitionPlate05.png - CC-BY-SA 3.0 - by Parallel Realities
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game/demolitionPlate06.png - CC-BY-SA 3.0 - by Parallel Realities
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game/demolitionPlate07.png - CC-BY-SA 3.0 - by Parallel Realities
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game/demolitionPlate08.png - CC-BY-SA 3.0 - by Parallel Realities
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game/demolitionPlate09.png - CC-BY-SA 3.0 - by Parallel Realities
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game/demolitionPlate10.png - CC-BY-SA 3.0 - by Parallel Realities
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game/energyShot.png - CC-BY-SA 3.0 - by Parallel Realities
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game/explosion.png - CC-BY-SA 3.0 - by Parallel Realities
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game/flameThrower.png - CC-BY-SA 3.0 - by Parallel Realities
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game/goodBlob.png - CC-BY-SA 3.0 - by Parallel Realities
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game/goodBlobInjured.png - CC-BY-SA 3.0 - by Parallel Realities
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game/grad.png - CC-BY-SA 3.0 - by Parallel Realities
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game/greenGem.png - CC-BY-SA 3.0 - by Parallel Realities
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game/grenade.png - CC-BY-SA 3.0 - by Parallel Realities
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game/grenadeBlob.png - CC-BY-SA 3.0 - by Parallel Realities
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game/grenadeDroid.png - CC-BY-SA 3.0 - by Parallel Realities
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game/grenadeLauncher.png - CC-BY-SA 3.0 - by Parallel Realities
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game/grenadeTexture.png - CC-BY-SA 3.0 - by Parallel Realities
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game/grey.png - CC-BY-SA 3.0 - by Parallel Realities
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game/groundTarget.tga - CC-BY-SA 3.0 - by Parallel Realities
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game/hackerSwitch.png - CC-BY-SA 3.0 - by Parallel Realities
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game/hackerSwitch1.png - CC-BY-SA 3.0 - by Parallel Realities
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game/hackerSwitch2.png - CC-BY-SA 3.0 - by Parallel Realities
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game/halo.png - CC-BY-SA 3.0 - by Parallel Realities
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game/hook.png - CC-BY-SA 3.0 - by Parallel Realities
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game/iceGun.png - CC-BY-SA 3.0 - by Parallel Realities
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game/keycard.png - CC-BY-SA 3.0 - by Parallel Realities
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game/laserBeam.png - CC-BY-SA 3.0 - by Parallel Realities
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game/laserBlob.png - CC-BY-SA 3.0 - by Parallel Realities
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game/LifeCrystal.png - CC-BY-SA 3.0 - by Parallel Realities
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game/machineGunBlob.png - CC-BY-SA 3.0 - by Parallel Realities
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game/machineGunDroid.png - CC-BY-SA 3.0 - by Parallel Realities
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game/manualTargetter.png - CC-BY-SA 3.0 - by Parallel Realities
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game/mastermindArrow.png - CC-BY-SA 3.0 - by Parallel Realities
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game/mastermindBackground.png - CC-BY-SA 3.0 - by Parallel Realities
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game/mastermindBall1.png - CC-BY-SA 3.0 - by Parallel Realities
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game/mastermindBall2.png - CC-BY-SA 3.0 - by Parallel Realities
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game/mastermindBall3.png - CC-BY-SA 3.0 - by Parallel Realities
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game/mastermindBall4.png - CC-BY-SA 3.0 - by Parallel Realities
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game/mastermindBall5.png - CC-BY-SA 3.0 - by Parallel Realities
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game/mastermindBall6.png - CC-BY-SA 3.0 - by Parallel Realities
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game/mastermindBall7.png - CC-BY-SA 3.0 - by Parallel Realities
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game/mastermindBall8.png - CC-BY-SA 3.0 - by Parallel Realities
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game/medicine.png - CC-BY-SA 3.0 - by Parallel Realities
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game/medipack.png - CC-BY-SA 3.0 - by Parallel Realities
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game/noTarget.png - CC-BY-SA 3.0 - by Parallel Realities
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game/orangeGem.png - CC-BY-SA 3.0 - by Parallel Realities
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game/overcast.png - CC-BY-SA 3.0 - by Parallel Realities
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game/pistolBlob.png - CC-BY-SA 3.0 - by Parallel Realities
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game/pistolDroid.png - CC-BY-SA 3.0 - by Parallel Realities
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game/plasmaPistol.png - CC-BY-SA 3.0 - by Parallel Realities
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game/plasmaSpiderBlob.png - CC-BY-SA 3.0 - by Parallel Realities
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game/pressurePlate1.png - CC-BY-SA 3.0 - by Parallel Realities
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game/pressurePlate2.png - CC-BY-SA 3.0 - by Parallel Realities
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game/purpleGem.png - CC-BY-SA 3.0 - by Parallel Realities
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game/redGem.png - CC-BY-SA 3.0 - by Parallel Realities
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game/rifle.png - CC-BY-SA 3.0 - by Parallel Realities
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game/rocket.png - CC-BY-SA 3.0 - by Parallel Realities
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game/rocketLauncher.png - CC-BY-SA 3.0 - by Parallel Realities
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game/shieldBelt.png - CC-BY-SA 3.0 - by Parallel Realities
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game/shotgunSpiderBlob.png - CC-BY-SA 3.0 - by Parallel Realities
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game/spiderBlobCommander.png - CC-BY-SA 3.0 - by Parallel Realities
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game/spotLightMap.png - CC-BY-SA 3.0 - by Parallel Realities
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game/starsky.png - CC-BY-SA 3.0 - by Parallel Realities
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game/starsky2.png - CC-BY-SA 3.0 - by Parallel Realities
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game/switch1.png - CC-BY-SA 3.0 - by Parallel Realities
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game/switch2.png - CC-BY-SA 3.0 - by Parallel Realities
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game/targetter.png - CC-BY-SA 3.0 - by Parallel Realities
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game/teletag.png - CC-BY-SA 3.0 - by Parallel Realities
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game/thrownGrenade.png - CC-BY-SA 3.0 - by Parallel Realities
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game/weapon.png - CC-BY-SA 3.0 - by Parallel Realities
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game/weaponTexture.png - CC-BY-SA 3.0 - by Parallel Realities
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game/web.png - CC-BY-SA 3.0 - by Parallel Realities
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game/white.png - CC-BY-SA 3.0 - by Parallel Realities
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game/yellowGem.png - CC-BY-SA 3.0 - by Parallel Realities
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virtual/bridge.jpg - CC-BY-SA 3.0 - by Parallel Realities
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virtual/portal.jpg - CC-BY-SA 3.0 - by Parallel Realities
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virtual/virtual.jpg - CC-BY-SA 3.0 - by Parallel Realities
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common/blank.jpg - CC-BY 4.0 - by Xavier Mendez
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common/target.tga - CC-BY 4.0 - by Xavier Mendez
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common/target2.tga - CC-BY 4.0 - by Xavier Mendez
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radiant/notex.tga - CC-BY 4.0 - by Xavier Mendez
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radiant/shadernotex.tga - CC-BY 4.0 - by Xavier Mendez
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tools/nospawn.tga - CC-BY 4.0 - by Xavier Mendez
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tools/trigger.jpg - CC-BY 4.0 - by Xavier Mendez
###Music
- Intro.ogg - CC-BY 3.0 by Alexandr Zhelanov https://soundcloud.com/alexandr-zhelanov from http://opengameart.org/content/intro-0; recoded to OGG
- covert_operations.ogg - CC0 by artisticdude from http://opengameart.org/content/covert-operations; recoded to OGG
###Sounds
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ambience/grasslands/cardinal.ogg - CC-BY 3.0 - Cardinal.wav by CGEffex http://freesound.org/people/CGEffex/sounds/96217/; recoded to OGG and cut in Audacity
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ambience/general/rain.ogg - CC-BY 3.0 - Heavy Rain by lebcraftlp http://freesound.org/people/lebcraftlp/sounds/243629/; recoded to OGG and cut in Audacity
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gui/buttonClick.ogg - CC0 - Mouse Clicks.wav by joebro10 https://freesound.org/people/joebro10/sounds/219318/; recoded to OGG and cut in Audacityxo