| Date | User | Challenge | Score |
| 18123038 | You either know, XOR you don't | 30 | |
| sayyidabin | Base64 | 10 | |
| eugeniosanchez | Base64 | 10 | |
| ab3620 | Great Snakes | 3 | |
| zazzup | XOR Properties | 15 | |
| kevinlean | You either know, XOR you don't | 30 | |
| ab3620 | Finding Flags | 2 | |
| eugeniosanchez | Hex | 5 | |
| jpr39 | XOR Starter | 10 | |
| eugeniosanchez | ASCII | 5 | |
| QWXXHSX123 | Modes of Operation Starter | 15 | |
| eugeniosanchez | Great Snakes | 3 | |
| eugeniosanchez | Finding Flags | 2 | |
| yayaski | ASCII | 5 | |
| yayaski | Great Snakes | 3 | |
| kevinlean | Favourite byte | 20 | |
| funkyduk2 | XOR Starter | 10 | |
| kevinlean | XOR Properties | 15 | |
| anaking | Finding Flags | 2 | |
| funkyduk2 | Bytes and Big Integers | 10 | |
| funkyduk2 | Base64 | 10 | |
| funkyduk2 | Hex | 5 | |
| funkyduk2 | ASCII | 5 | |
| funkyduk2 | Great Snakes | 3 | |
| funkyduk2 | Finding Flags | 2 | |
| Waffleman | Background Reading | 5 | |
| y_str01 | Finding Flags | 2 | |
| 0r30_ChL0rc4L3 | Hash Stuffing | 50 | |
| Valcia | Lemur XOR | 40 | |
| 0r30_ChL0rc4L3 | Collider | 50 | |
| anis76 | Base64 | 10 | |
| 0r30_ChL0rc4L3 | Jack's Birthday Confusion | 30 | |
| 0r30_ChL0rc4L3 | Jack's Birthday Hash | 20 | |
| HoangNhoo | ECB Oracle | 60 | |
| Valcia | You either know, XOR you don't | 30 | |
| Nosiume | Pad Thai | 80 | |
| gandalf99 | Resisting Bruteforce | 10 | |
| anis76 | Hex | 5 | |
| gandalf99 | Keyed Permutations | 5 | |
| anis76 | ASCII | 5 | |
| anis76 | Great Snakes | 3 | |
| Royogurt | Hex | 5 | |
| anis76 | Finding Flags | 2 | |
| nuttnuggett | Finding Flags | 2 | |
| Royogurt | ASCII | 5 | |
| Royogurt | Great Snakes | 3 | |
| tanphatbboy | Network Attacks | 5 | |
| kev6 | Bytes and Big Integers | 10 | |
| 0r30_ChL0rc4L3 | Roll your Own | 125 | |
| 0r30_ChL0rc4L3 | Beatboxer | 150 |
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