Pretty Peculiar Pokemon (150pts)
Solved by: 12%

First solvers: metusec
Ash is on his mission to become world's best pokemon master. On his way he finds an amazing pokemon named charlizard, which he intends to catch in his pokeball. But he finds out that the last pokeball he had …

Solved by: 22%

First solvers: x0r19x91
Mr. Robot is being sent to future. But accidently he lost his passkey which he needs to activate the Time Machine. But he is smart and had already asked Elliot to save the key inside a file to use it in such conditions but …

# Welcome!!! (10pts)
Solved by: 38%

First solvers: Balsn

Go and checkout our bot in case you are bored and get some bonus points: https://t.me/pctf_bot

Prison Break
119 Points

Author: FeDEX

Your friend has been captured by some country's secret services and is being held in a prison. Having reached the prison, you realise there is a code there that you need to break.
The enemies have been kind enough to leave …

RSA is easy #1
50 Points

Author: stackola

challenge_files.zip a6ba5325c1a34910db0f4e8cce82f5bd

$ zipinfo challenge_files.zip 
Archive:  challenge_files.zip
Zip file size: 5533 bytes, number of entries: 3
drwxr-xr-x  3.0 unx        0 bx stor 20-Jan-15 17:07 challenge_files/
-rw-r--r--  3.0 …

RSA is easy #2
50 Points

Provide the flag in this format:

HackTM{words_you_found}

Example:
If you find "i am a flag"
submit:
HackTM{i_am_a_flag}

Author: stackola

challenge_files_2.zip bebe0b93b184fd375c3462488c9fde01

Point : 100

Lhzdwt eceowwl: Dhtnwt Pcln Eaao Qwoohvw

Okw qsyo okcln bah'i fslo cl baht Dhtnwt Pcln dhtnwt cy yazwalw'y eaao ehlnhy. Dho sy co ohtly aho, okso zcnko dw fkso bah nwo. S 4vksllwt hmqasiwi s mkaoa slalbzahyqb oa okw ycow ykafvsycln kcy ewwo cl …

Point : 500

My houseplant and I were working on a biology assignment together. Yes, my houseplant. Don't question it. Anyways, she ended up giving me a new cipher to use in my next project! So I'm giving it to my biology friends to see if they …

Point : 100
It was just a typical day in the bakery for Delphine. She was preparing her famous chocolate cake, when all of a sudden a GIANt burst through the doors of her establishment and demanded a cookie. Being the strong-willed girl she was, Delphine refused and …

Point : 50
AND JAKE IS ROUNDING THE BASES
HE PASSES BASE 32!!!
HE ROUNDS BASE 64!!!!!!!
WE'RE WITNESSING A MIRACLE!!!!!!!!!!!!!

Just one more base to go ;D

Hint : Ecbf1HZ_kd8jR5K?[";(7;aJp?[4>J?Slk3<+n'pF]W^,F>._lB/=r