3CR4G-92LVP-CDQW6 - GOOCUBELETS

8RZ7Z-9CBF0-FCE45 - GOOCUBELETS

N4L96-ALFCJ-DBV23 - MEDIEVAL MERCS

0BVEJ-MCBB4-L67QP - NYCTOPHOBIA

GQF53-FYG67-6LNTI - NYCTOPHOBIA

DJM3I-2WNYQ-KRMMM - NYCTOPHOBIA

2GLTJ-7LNI6-CV4DP - NYCTOPHOBIA

TXW5Q-5FVMB-IH94I - AWESOMENAUTS (DLC)

CDBQH-3G0NH-AMF5J - AWESOMENAUTS (DLC)

JJCXF-9A35M-AKFKE - FORGE OF GODS : INFERNAL WAR PACK (DLC)

9GYCZ-BB5NM-A0LHJ - Deadbreed (DLC)

NC9GK-8R7DW-58W5K - DEADBREED UNDEAD PACK (DLC)

B48B4-VLHWW-ZRCTX - WHY SO EVIL, WHY SO EVIL DYSTOPIA, BRILLIANT BOB. (BUNGLE)

2Y08C-5QMH7-NGPX2 - BREAK INTO ZATWOR, ABSCONDING ZATWOR, FRIENDS OF IMPRISONMENT (BUNGLE)

8BY0Q-RJN39-P25H9 - PIXEL PUZZLES 2: ANIME, PIXEL PUZZLES ULTIMATE (BUNGLE)

XYH7R-P9HIR-HP6MQ - BEAST BLASTER, CYBORG DETONATOR, ZOMBIE BOOM (BUNGLE)

Also, these keys are old. Some might have expired by now.

92CZW-KZVI3-HJNCE - Heaven Island: Life Edition

260B8-309DN-Z30FL - MEDIEVAL MERCS

B30E2-VH0EF-F6B3Y - MEDIEVAL MERCS