Those wonderful gems are made by 'firestorm200', published under the CC0.
	https://opengameart.org/content/gems-4

The startup splash screen is made by 'ansimuz', published under the CC0.
	https://opengameart.org/content/mountain-at-dusk-background

The glove for poking is made by 'yd', published under the CC0.
	https://opengameart.org/content/pointers-part-5
	
The background for the map was designed by 'Q_x', published under the CC0:
	https://opengameart.org/content/sheet-of-old-paper
	
The font was created by 'domsson', published under the CC0:
	https://opengameart.org/content/ascii-bitmap-font-cellphone

The panel graphics for the menus is by 'kenney', published under the CC0:
	http://kenney.nl/assets/ui-pack-rpg-expansion
	
The sky cylinder was made by 'The Chayed - KIIRA', published under CC-BY 3.0:
	https://opengameart.org/content/sky-box-sunny-day
	
The wall textures are from the wonderful texture pack
	https://www.johnsmithlegacy.co.uk/
	
And some graphics are actually made by me (but those are not that important)