Credits

Tungsten Moon and the Tungsten Moon Demo are built using the Godot open-source game engine. Godot is distributed free under the MIT license.

Other assets used in Tungsten Moon Demo include:

Textures named Metal010, Ground51, and Ground58 are distributed by Ambient CG under the Creative Commons CC0 1.0 Universal License.
The planet about which Tungsten Moon orbits uses a texture image by Opengameart user ycbcr, licensed under CC0.
The gas pump icon uses an SVG image, “gas-pump” from SVGrepo, licensed under CC0.
The headlight icon uses an SVG image “headlights-fill” from SVGrepo, licensed under CC0.
The font used for the Sky Dart logo is Sansilk by Syafrizal a.k.a. Khurasan, which is %100 free for commercial use.
The Tungsten Moon title font is Astro Armada, used under license from Dan Zadorozny of Iconian Fonts.