| Date | User | Challenge | Score |
| ub_krypto_25_06 | Public Keys | 15 | |
| danielgalarza | Hex | 5 | |
| kaneman_of_zero | Base64 | 10 | |
| JellyGames | Greatest Common Divisor | 15 | |
| QwQll | Stream of Consciousness | 80 | |
| ub_krypto_25_06 | Modular Exponentiation | 10 | |
| ub_krypto_18 | Resisting Bruteforce | 10 | |
| ub_krypto_18 | Keyed Permutations | 5 | |
| JellyGames | You either know, XOR you don't | 30 | |
| ub_krypto_25_01 | Generators of Groups | 20 | |
| myrrhderous | Great Snakes | 3 | |
| ub_krypto_20 | Computing Public Values | 25 | |
| Reza_Ghasempour | XOR Starter | 10 | |
| WarSpore | CTRIME | 70 | |
| JellyGames | Favourite byte | 20 | |
| Reza_Ghasempour | Bytes and Big Integers | 10 | |
| JellyGames | XOR Properties | 15 | |
| toto123456 | Blinding Light | 120 | |
| LBN789 | Modes of Operation Starter | 15 | |
| ub_krypto_25_06 | Modular Inverting | 25 | |
| Reza_Ghasempour | Base64 | 10 | |
| ub_krypto_20 | Generators of Groups | 20 | |
| TeakH064 | You either know, XOR you don't | 30 | |
| JellyGames | XOR Starter | 10 | |
| ub_krypto_20 | Working with Fields | 10 | |
| JellyGames | Bytes and Big Integers | 10 | |
| Reza_Ghasempour | Hex | 5 | |
| Reza_Ghasempour | ASCII | 5 | |
| ub_krypto_25_06 | Modular Arithmetic 2 | 20 | |
| Moka | Hex | 5 | |
| s4lmon | Invariant | 250 | |
| Reza_Ghasempour | Great Snakes | 3 | |
| Reza_Ghasempour | Finding Flags | 2 | |
| JellyGames | Base64 | 10 | |
| JellyGames | Hex | 5 | |
| Yahya_Mansoub | Salty | 20 | |
| JellyGames | ASCII | 5 | |
| TeakH064 | Favourite byte | 20 | |
| BakerPh0nk | XOR Starter | 10 | |
| JellyGames | Great Snakes | 3 | |
| ub_krypto_25_06 | Modular Arithmetic 1 | 20 | |
| JellyGames | Finding Flags | 2 | |
| Mita | Modular Arithmetic 1 | 20 | |
| fr0stByte | Base64 | 10 | |
| KotoriMinami | Great Snakes | 3 | |
| ttttttt | Modular Inverting | 25 | |
| fr0stByte | Hex | 5 | |
| fr0stByte | ASCII | 5 | |
| fr0stByte | Great Snakes | 3 | |
| ub_krypto_25_06 | Extended GCD | 20 |
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