Codes that work as of now
GAMESPARK
3DMGAME
PCGAMESN
rewards are in the image in order
6NU9-UFK1-W2TX-89RW-M96B
6NU9-W2TX-UFK1-89RW-M96B
UFK1-6NU9-W2TX-89RW-M96B
UFK1-W2TX-6NU9-89RW-M96B
W2TX-UFK1-6NU9-89RW-M96B (incorrect but gives you dogtag)
*RUMOR : These dogtags are sent with msg completing 'circle'
Hence putting all dogtags into cultist cirlcle results in 6 hr timer -> recipe. Don't know the reward yet
W2TX-6NU9-UFK1-89RW-M96B (correct one with keytool) image 4