| Date | User | Challenge | Score |
| irontaff | XOR Starter | 10 | |
| panman4040 | Round Keys | 20 | |
| w4rf0t | Keyed Permutations | 5 | |
| Mugisha | Quadratic Residues | 25 | |
| Mugisha | Modular Inverting | 25 | |
| Ohrorong | Salty | 20 | |
| Mugisha | Modular Arithmetic 2 | 20 | |
| lone_wolf1889 | You either know, XOR you don't | 30 | |
| jungjaaae | Infinite Descent | 50 | |
| sulkycat | Computing Shared Secrets | 30 | |
| e52maw | Modulus Inutilis | 50 | |
| Mugisha | Modular Arithmetic 1 | 20 | |
| Mugisha | Extended GCD | 20 | |
| Mugisha | Greatest Common Divisor | 15 | |
| sulkycat | Computing Public Values | 25 | |
| haneenzuhair | Finding Flags | 2 | |
| Lienep | Bespoke Padding | 100 | |
| Omer_3542 | Finding Flags | 2 | |
| Ohrorong | Manyprime | 40 | |
| noobboymk | Round Keys | 20 | |
| jungjaaae | Modulus Inutilis | 50 | |
| cablestone | Base64 | 10 | |
| sulkycat | Generators of Groups | 20 | |
| White_Rabbbbit | Base64 | 10 | |
| panman4040 | Structure of AES | 15 | |
| Raymond | Greatest Common Divisor | 15 | |
| kckckck3679 | Modular Binomials | 80 | |
| cablestone | Hex | 5 | |
| jungjaaae | Salty | 20 | |
| White_Rabbbbit | Hex | 5 | |
| bunnsy26 | Export-grade | 100 | |
| cablestone | ASCII | 5 | |
| cablestone | Great Snakes | 3 | |
| jungjaaae | Manyprime | 40 | |
| White_Rabbbbit | ASCII | 5 | |
| cablestone | Finding Flags | 2 | |
| e52maw | Salty | 20 | |
| kc1 | RSA Signatures | 25 | |
| White_Rabbbbit | Great Snakes | 3 | |
| nigina_nx | Bytes and Big Integers | 10 | |
| bunnsy26 | Parameter Injection | 60 | |
| kuromie | Modular Arithmetic 1 | 20 | |
| tackmin1204 | No Way Back Home | 100 | |
| kitkitkit | Modulus Inutilis | 50 | |
| Ohrorong | Square Eyes | 35 | |
| sulkycat | Working with Fields | 10 | |
| Soliman | ASCII | 5 | |
| jungjaaae | Square Eyes | 35 | |
| 156792 | Adrien's Signs | 80 | |
| camo132108 | Infinite Descent | 50 |
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