Orphan keys drop thread

Domestic Dog Simulator: oVYRV-JP23M-TbJX7
You may have to be able to read my mind to crack it, sorry if it's too hard :)
I think it's this game: https://store.steampowered.com/app/340340/Domestic_Dog/

Heavy Metal Machines Dirt Devil Pack Key
?IDIN-7P?WY-?BVPG
?=J

I think this is for 'Heavy Metal Machines Dirt Devil Pack', a pack for a free-to-play game.
?JNW7-##72X-HG3PX
? is the first letter of the name of the best kaiju. ## is a measurement of how much blood the patient needs, stat!

Ashes of the Singularity: Escalation
FZWQ?-TIDZY-¿W3RG
(? = 5+1 ; ¿ = 2+3)

Edit: like someone pointed out, it's 5+1 instead of 5-1, prob taken by now but I'll correct it anyways just in case

Overcast
AGY9N-?E?4D-VE3RZ

?=zero

Let the bots redeem the keys for a demo you can get for free and doesn't give you +1 nor cards.

Operation Tango Demo (Steam keys):
YQQLV-498CA-69RRV
EVG24-AMF6A-LFHCW

I purchased a key from Fanatical, to Neon Abyss, but I failed to see it was region restricted so can't be redeemed on my Steam account.

Now, I can simply not be bothered to VPN it in, or even find out where it is valid to create a GA for it.
If you want a chance to beat the bots to it, stay tuned. In less than 5 minutes (approx 12:10 UTC) I will post the key here for y'all to battle over.
May the fastest hand win.

Humble a while ago ran a Train Simulator 2021 bundle, which I got. On redeeming the keys some of the DLC's would not redeem as it seems I already own them for Train Simulator 2013, which is really odd, because I can't seem to find any evidence of ever owning that. I guess the Train Simulator updates itself every year or so and then changes the name?
Anyway, those DLC's are here, so if you want'em, come and get'em.

Train Simulator 2013 - DB BR423 Retail - redeems as: DB BR423 EMU Add-on
CxYQZ-YVRPY-Q69N9

x=5-4+2

Train Simulator 2013 - LNER Thompson B1 Retail - redeems as: Thompson Class B1 Loco Add-On
CyW2D-EX35B-87B6K

y=6-8+5

Train Simulator: MRCE BR 185.5 - redeems as: MRCE BR 185.5 Loco Add-On
zBWX3-D7M8Z-3XYAQ

z=8-3+4-2-2

The Whispered World Special Edition (GOG)
http://www.gog.com/redeem/5SZK2E48752091FA1B

B?5JT-TK22Q-8MAE3
? =8

Jubox 2

Timberman

EI60F-PB68N-MLBVC

The first segment is actually the last

Trinium Wars

FQIJT-33573-Y9ZH5

Every three is actually the threesome letter in my username

Vertical Drop Heroes HD

9753H-JKZZ5-XJJ6I

The last letters of the alphabet are actually the initials of a well known inhabitant of Duckburg.

Warp Rider

EYTGD-YZMWY-7C$$4

The dollar signs need to be replaced with a common abbreviation for three dimensional.

X-Blades

%29EX-NHNQD-L%HI2

Percentages. Their first letter.

Skullgirls 2nd Encore
MB7I7-3Z7NR-5LGDJ
7=4+4

Outward: 93E7W-Y1H7E-QPTHH

9 = 1-1
1 = 2+2

Bizango Blast

Z96IZ-967EA-555RK

The numbers in the last segment are letters. Be (b)right back.

The Safeguard Garrison

AFMZA-2VAJB-WHH8X

The first letters of the alphabet are actually numbers, resembling love making.

Bibou

079KJ-0744W-KQ7Y4

The sevens are not sevens they are... not gonna tell :X

Olympia Rising

AALYI-WR4B7-92F27

The last segment is actually the middle segment. And the eff is a pee, if you know what i mean.

Dirty Bomb Booster Pack and 3 Mercs

$640F-XYWRI-BIA9R

$= kiu

Melting World Online Steam
D9BBR-GHXXX-06WD7

XXX = Tea ninetynine