All sounds that were originally in stereo were converted to mono.
All sounds that were not in ogg format were transcoded to Ogg Vorbis.
All sounds are licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/3.0/) or CC0.

Slimesling:
Squelchy squirt by DrMinky
https://www.freesound.org/people/DrMinky/sounds/167073/

Stone-Hit:
Pickaxe mining stone by ryanconway
https://www.freesound.org/people/ryanconway/sounds/240801/
metal falling on stone by p3n10
https://www.freesound.org/people/p3n10/sounds/171294/

Wood-Hit:
Hitting Wood by altfuture
https://www.freesound.org/people/altfuture/sounds/174633/

charged:
spark(fm_tri-90_sin-110).wav by FreqMan
https://www.freesound.org/people/FreqMan/sounds/24726/

discharge:
ELECTRIC_ZAP_001.wav by JoelAUdio
https://www.freesound.org/people/JoelAudio/sounds/136542/