Drop Your Orphan Keys Here thread (Not sure if key got used or DESURA / other platform keys)

I don't know why I try. With only 1 hand I can't beat a regular person let alone a ninja. lol
I hope those who took the keys enjoy them an congratulations.
All who placed keys in this thread; thank you.

Metro 2033 for those who werent able to get one

https://www.humblebundle.com/gift?key=0x56 0x56 SxexXUrBqTRR 0155 0160

it's a challenge

QHW8W-4A0X6-RIM4D -Adventures of Shuggy
2EDBT-CA4YL-BIFLN -GTR Evolution

with my internet connection,
i think it's impossibruuuu

Nosgoth Veteran Pack
28HI0-BP0WL-3HW5P

We deaded it again.

Darksiders, Red Faction: Armageddon, Metro 2033, Company of Heroes, Company of Heroes: Opposing Fronts, and Company of Heroes: Tales of Valor
JCD3K-JY4I0-ZD9AD

Saints Row: The Third Steam Key
NZNZJ-LCF6N-FTKGM

Metro 2033
https://www.humblebundle.com/downloads?key=SSqX2cMdvcsVPhhH
Edit: Still looking for Metro?, add me on Steam
Edit 2: NO ALT ACCOUNTS (Lvl 0, Private profile, Non games)

I'll give Burnout Paradise: The Ultimate Box (Origin Key) or WRC Powerslide (Steam) to the person that can answer the following question, without copying and pasting the answer from another source.

When two photons experience destructive interference and are cancelled out, what happens to the energy of each of the two photons?

Hack, Slash, Loot 0ARIY-H2H8W-7I?8A (? = square root of 25)
Alien Zombie Megadeath 0AGQK-VEGH?-582ZI (? = square root of nine)
Pixeljunk Eden CG7AA-W0VLD-YH5A? (? = square root of fourty nine)
Noitu Love 2: Devolution 54CZM-ZPFTX-I?BR2 (? = square root of eighty one)

Auditorium 5AWJ?-XN82M-8AMXN (? = square root of thirty six)
Harvest: Massive Encounter ?QMQZ-G69T2-5GTPE (? = ten minus five)
The Journey Down: Chapter One EDHY8-LKYB?-MT9NW (? = ten minus three)
Gundemonium Recollection 5K?CK-D00MD-YICM7 (? = ten minus two)

Sugar Cube KNNVF--
Pid ??JGY--
Cargo Commander H3ICP--
Dungeon Hearts DHI7C--

How do one add games with keys posted here? Thanks

Blood Knights MM26P-L8ZMN-T9628
Shadows: Price For Our Sins WIL82-8NR5K-W6C6A
House of 1,000 Doors: Family Secrets JYB4B-YX8PM-4KQ79
Rhiannon: Curse of the Four Branches E8X28-M4P6H-RPJ72

Jets'n'Guns Gold
Inquisitor Deluxe Edition
3089 – Futuristic Action RPG FPS
Ethan: Meteor Hunter

3079 – Block Action RPG FPS
Inquisitor Deluxe Edition
Universe Sandbox *****

The Flock alpha keys.

QXW7E-HWJVN-XRVZT

FF75K-YWMBM-ZPG4G

Have fun! :)

Trapped Dead : http://adf.ly/u8dXK

Have fun for play <3

Ion Assault ??LRA-KCQLV-99229 (?? = 416 div 8)

https://www.humblebundle.com/gift?key=!Ca!DM!ztTHYcthP

Guess the numbers that hides behind exclamation mark and you will be rewarded :) (I think)

@EDIT
Somebody got it. Coungratulatons!

(I think) keeps me from even trying... and worst might be you already got the game XD

Some Metro 2033, not sure if already used though

https://www.humblebundle.com/gift?key=8ZMSHBKbGq!zE6h?

The exclamation mark is a number

The question mark is the thirteenth letter in alphabet, please find out if capital or not

Pirates of Black Cove Gold Steam Key: AIILM-LYNCH-KGBT3

The Flock closed alpha 535BQ-6699W-P64QH and 0P0H5-Y6DQ4-5T0VD