# Sounds

- `sounds/researcher_level_up.ogg` derived from ["Game Pickup" by INEBA](https://freesound.org/people/IENBA/sounds/698768/) at FreeSound.org, licensed [CC0](https://creativecommons.org/publicdomain/zero/1.0/)
- `sounds/researcher_research.ogg` derived from ["Supershort Ping, Or Short Notification.wav" by MATRIXXX_](https://freesound.org/people/MATRIXXX_/sounds/495650/) at FreeSound.org, licensed [CC0](https://creativecommons.org/publicdomain/zero/1.0/)
- `sounds/researcher_duplicate.ogg` derived from ["Rattle Egg" by qubodup](https://freesound.org/people/qubodup/sounds/171935/) at FreeSound.org, licensed [CC0](https://creativecommons.org/publicdomain/zero/1.0/)

# Textures

- `textures/researcher_gui_hb_bg.png` is a copy of [gui_hb_bg.png in Minetest Game](https://github.com/minetest/minetest_game/blob/master/mods/default/textures/gui_hb_bg.png) by paramat et. al., licensed [CC BY-SA 3.0](http://creativecommons.org/licenses/by-sa/3.0/), [CC BY 3.0](http://creativecommons.org/licenses/by/3.0/), or [CC0](https://creativecommons.org/publicdomain/zero/1.0/); see [Minetest Game license.txt](https://github.com/minetest/minetest_game/blob/master/mods/default/license.txt) for more info
- `textures/researcher_research_table_surface.png` made by Mirtilo as part of the [Baunilha texture pack](https://content.minetest.net/packages/Mirtilo/baunilha/), licensed [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)
- `textures/researcher_research_table_frame.png` made by JoeEnderman, dedicated to the public domain via [CC0](https://creativecommons.org/publicdomain/zero/1.0/)
- `textures/researcher_icon*` files derived from "Erlenmeyer icon" by Lorc and downloaded from <https://game-icons.net/1x1/lorc/erlenmeyer.html>, licensed [CC BY 3.0](http://creativecommons.org/licenses/by/3.0/)
- The light bulb icon used in `screenshot.png` and `screenshot.xcf` is derivied from ["Light Bulb by Anamika Singh"](https://thenounproject.com/icon/light-bulb-6757220/), licensed [CC BY 3.0](http://creativecommons.org/licenses/by/3.0/)