Credit where it is due. Thanks so much! This game would be a lot worse without you.

Twilight's Scepter by jessicat0 http://jessicat0.deviantart.com/art/Twilight-s-Scepter-415551642

Banners:
~ Queen Chrysalis ~ by overmare http://overmare.deviantart.com/art/Queen-Chrysalis-345174872
Queen Chrysalis by junglepony http://junglepony.deviantart.com/art/Queen-Chrysalis-No-Background-302081680
FEED by UrpleB3atin http://urpleb3atin.deviantart.com/art/FEED-297709432
Thus Saith the Queen by the-Orator http://the-orator.deviantart.com/art/Thus-Saith-the-Queen-298035824
Chrysalis Caramelldansen by TomDanTheRock http://tomdantherock.deviantart.com/art/Chrysalis-Caramelldansen-335826581
Most other wall banners by Grumbeerkopp http://grumbeerkopp.deviantart.com/

Intermission 1 (introduction) bg thanks to a mlp-vector-club collaboration. http://mlp-vector-collabs.deviantart.com/art/Group-Background-6-Orchard-sunset-327116649

Rarity and Trixie sprite bases by feitaru.deviantart.com (formerly X-Celestia-X, but I think they've been deleted), based off of http://fehlung.deviantart.com/art/MLP-pony-bases-Commission-336896481
Changeling sprites by bahatumay


Music Credits:

Startup: Gustav Sting, by Kevin MacLeod (incompetech.com)

Intermission: One-eyed Maestro, by Kevin MacLeod (incompetech.com)

E1M1: CommandSpry fixes Rarity's theme, by CommandSpry https://www.youtube.com/watch?v=HQjgQ1IqGxU

E1M2: Assembly Line Apparitions by Protricity, OCRemix.org http://ocremix.org/remix/OCR00980/

E1M3: Castle Crescendo, by Sole Signal, OCRemix.org http://ocremix.org/remix/OCR02082/

E1M4: Sonic Spectrum, by ferriswheel42 http://www.youtube.com/watch?v=T-kkELqWLUo&feature=plcp

E1M5: Future Gladiator, by Kevin MacLeod (incompetech.com)

E1M6: Oldskool Demon, by Mazedude, OCRemix.org http://ocremix.org/remix/OCR00987/

E1M7: Polygons Are Inaccurate, by Mikeaudio, OCRemix.org http://ocremix.org/remix/OCR02579/

E1M8: Demon Resident Mine Cart ~Queen Chrysalis Remix~ by KingSpartaX37 http://www.youtube.com/watch?v=2mvtCnvieQI

E1M9: WoodenToaster + TheLivingTombstone - Lost On The Moon (Sonic Breakbeat Remix) http://www.youtube.com/watch?v=IW_WjCB2Odg


E2M1: Before Time, by Danny Baranowsky and Ryan Probst http://ocremix.org/remix/OCR01223/

E2M2: Pinkie's Hot Head Bop, by Delta Brony https://www.youtube.com/watch?v=KN-AjTec7GU

E2M3: In a Heartbeat, by Kevin MacLeod (incompetech.com)

E2M4: Ride the Sky, by B 86ed https://youtu.be/zUfv5t6p9To

E2M5: Honest, by Hydra https://youtu.be/peex_IfZmf4

E2M6: Synthetic Demon, by Scott Peeples https://ocremix.org/remix/OCR00740

E2M7: All-Powerful Trixie, by Not a Clever Pony https://www.youtube.com/watch?v=6CvTVx81uXw

E2M8: MLP FiM Spike's Island - Big Bad Queen Chrysalis http://www.youtube.com/watch?v=6VGiv2oPtvY

E2M9: Bump in the Night, by Kevin MacLeod (incompetech.com)


E3M1: E1M1 Remix, by kada http://www.doomworld.com/classicdoom/info/music.php?wad=remix (scroll down to about a third of the way down the page; there's no direct link).

E3M2: Harmful or Fatal, by Kevin MacLeod (incompetech.com)

E3M3: Bass Crusher, by GaugeN https://www.youtube.com/watch?v=AjIqzrA5E-0

E3M4: Rejected, by Pony Music https://youtu.be/Plz8UlbKkd4

E3M5: Not Afraid to Fall, by ShinZm https://youtu.be/1uvWxCDIb2U

E3M6: Party With Pinkie (Instrumental), by The Living Tombstone https://www.youtube.com/watch?v=hBYGTEj7s0w

E3M7: Chrysalis, by Pony Music https://www.youtube.com/watch?v=IiOSBGzlulA

E3M8: Heroes of the Sky, by The L-Train https://www.youtube.com/watch?v=zPQAfZIW7Jo

E3M9 (both): The Rainbow Factory: WoodenToaster feat. Mic the Microphone (Yoko the Changeling Remix)

E3M9 Exit: Awoken, by WoodenToaster and H8_Seed https://www.youtube.com/watch?v=ytKvgLuy7ng


E4M1: Wolf Among Sheep, by DasDeer https://www.youtube.com/watch?v=7Vj0u7baoEM

E4M2: Friendly Fire (Super Dodge Ball Remix), by Level 99 and WillRock
http://ocremix.org/remix/OCR02306

E4M3: A common Neurosis, by aluminum
http://www.doomworld.com/classicdoom/info/music.php?wad=remix (it's a E1M9 remix, about halfway down the page).

E4M4: Timberwolves, by Pony Music https://www.youtube.com/watch?v=k6Z0IhFXAG8

E4M5: Tirek, by Hydra https://www.youtube.com/watch?v=o-gMBJcMg_4

E4M6: Wonderbolts, by Panic https://www.youtube.com/watch?v=1WoPk7ZQdOo

E4M7: Wicked Six, by Sixto Sounds http://ocremix.org/remix/OCR01407

E4M8: This Day Aria, StormWolf https://www.youtube.com/watch?v=Rp6yqNG60_0

E4M9: The Stare Master, General Mumble https://www.youtube.com/watch?v=rOzHpwIJkoo

Victory: Diamond Destiny, by ferriswheel42 http://www.youtube.com/watchv=ZGZzZmIYoxY


Music from OCRemix.org used under these conditions: http://ocremix.org/info/Content_Policy
Music by Keven MacLeod (incompetech.com) used under Creative Commons License: By Attribution 3.0