How does your submission match the theme?
You only have one way to move/shoot/mine. You move around using recoil and shoot with your gun to mine as well. 1 mechanic for 2 purposes.

Third-party resources
Using Unity3D Engine 5.6.0f3
All graphics are made in Inkscape - https://inkscape.org/en/
Sounds used, that are released under acreative commons license:

shoot by fins - https://freesound.org/people/fins/sounds/146730/
shoot 3 by fins - https://freesound.org/people/fins/sounds/368732/
shoot 6 by fins - https://freesound.org/people/fins/sounds/368735/
Pickaxe #3.wav by Agaxly - https://freesound.org/people/Agaxly/sounds/233629/
Right Gravel Footstep 3 by Ali_6868 - https://freesound.org/people/Ali_6868/sounds/384879/
short finale 0M_21pi2 by Setuniman - https://freesound.org/people/Setuniman/sounds/153562/
1911 Reload by nioczkus - https://freesound.org/people/nioczkus/sounds/396331/
Cash Register Purchase by Zott820 - https://freesound.org/people/Zott820/sounds/209578/
Wine Glass2.wav by FullMetalJedi - https://freesound.org/people/FullMetalJedi/sounds/378189/
Car Crash by squareal - https://freesound.org/people/squareal/sounds/237375/
Chime sound by jgreer - https://freesound.org/people/jgreer/sounds/333629/
Vintage Camera Flash Powder and Shutter by Werra - https://freesound.org/people/Werra/sounds/232130/
Fundamental Knowledge by the_odds - https://freesound.org/people/the_odds/sounds/244192/
Cuckoo & The Nightingale Duet.MP3 by Vonora - https://freesound.org/people/Vonora/sounds/269570/

Font used is Yikes by Rick Montgomery - http://www.dafont.com/yikes.font

Contributors
Developer - Johannes Fornaeus
Tester - Sara Boman