ninjaed 7X962DE4577DAB962B

cool! have a nice playing :)

"You have learned well, grasshopper"

En Garde!

27CJFDA34CC9D90F90

the key expires soon

Redeemed. Thanks ever so much!

I realise that this is my second ninja action this week. I'll take a break from ninjaing and donate some codes to the community giveaway in thanks

No not me, just wishing so and thanking for silent ninja

Wow! So he/she is unknown and shy...

Tomb Raider: AnniversaryPDRB34FD22D67F5DEA

Got this one, thanks a ton Rotwanger!
I'm quite delighted to get a chance to play it.

Showgunners

encrypted GOG code:

1842802681849145231520975633223

/let know, if You take it/

[taken]

I used the same table as before for coding.

Maybe also kindly let us know how u decrypted it

If the solver does not, I will. (^_^)

Edit 0: To clarify: currently, it remains in the unredeemed state.

Edit 1: It has been redeemed by another user. Hopefully, they (at the very least) had privately notified KillingMoon.

Solution:

Firstly, I wish to thank KillingMoon for stimulating the human mind. This puzzle had been very enjoyable. (^_^)

The previous Moonlighter puzzle (link is probably broken; so, search for post 7076) had featured abbreviated chemical elements (as depicted within the periodic table of elements).

Operating under the assumption that this second puzzle would somehow relate to the previous, I had immediately begun noticing certain familiar numbers. It had been obvious that the non-italicized sections should be understood as written (without modification).

The italicized sections seemed to be the relative atomic mass of certain isotopes of elements (which should be replaced by the first letter of the appropriate element). This theory had been proven to be accurate (refer to this link).

While it is certainly true that some relative atomic masses are shared (rather than unique), there were combinations which were simply incompatible with logic. As an example: in the context of a typical 18-character GOG game code, after the initial four characters, the remaining fourteen characters should always be within the ranges of [0-9], or [A-F]. For that reason, it had made much more sense that 223 had acted as a stand-in for the 'F' in Francium, rather than the 'R' in Radium. All that had been necessary was to simply continue following that line-of-thought.

Starting with:
1842802681849145231520975633223

I had separated the string:
184 280 268 184 914 52 3 152 0 9 75633 223

I had interpreted this to mean (prior to being converted, bold portions were formerly italicized, and, as previously-mentioned, the others are to remain unaltered):
W R D W 914 C 3 E 0 B 75633 F

Resulting code:
WRDW914C3E0B75633F

Later, KillingMoon had provided a hint, and, that might have aided the person whom had redeemed the code. : )

^ Perfect clarification of puzzle solution :)

I'm already feeling anxious for the next puzzle 8-)

Diggles - redeemed - Enjoy :)