| Date | User | Challenge | Score |
| kuclux | Dancing Queen | 120 | |
| the_amntl | Modular Arithmetic 2 | 20 | |
| skinnylegend711 | Extended GCD | 20 | |
| didatgi | Modular Arithmetic 2 | 20 | |
| IMU | You either know, XOR you don't | 30 | |
| the_amntl | Modular Arithmetic 1 | 20 | |
| Slimikz | Moving Problems | 150 | |
| priyanshoon | Greatest Common Divisor | 15 | |
| the_amntl | Extended GCD | 20 | |
| the_amntl | Greatest Common Divisor | 15 | |
| yuna78125 | ASCII | 5 | |
| the_amntl | Lemur XOR | 40 | |
| goosbo | Image Point Arithmetic | 30 | |
| qwra | Signing Server | 60 | |
| SOKUN | XOR Properties | 15 | |
| Nyxc | ASCII | 5 | |
| kuclux | Beatboxer | 150 | |
| MajorChrysalis | Great Snakes | 3 | |
| the_amntl | You either know, XOR you don't | 30 | |
| skinnylegend711 | Greatest Common Divisor | 15 | |
| the_amntl | Favourite byte | 20 | |
| the_amntl | XOR Properties | 15 | |
| Nyxc | Great Snakes | 3 | |
| luoht | XOR Starter | 10 | |
| yuna78125 | Great Snakes | 3 | |
| Nyxc | Finding Flags | 2 | |
| the_amntl | XOR Starter | 10 | |
| sunshiine | Extended GCD | 20 | |
| the_amntl | Bytes and Big Integers | 10 | |
| goosbo | Where's the Supersingular Curve | 25 | |
| luwofi | Find the Lattice | 100 | |
| the_amntl | Base64 | 10 | |
| Bohnenman | Modular Arithmetic 1 | 20 | |
| Dangee | Favourite byte | 20 | |
| sunshiine | Greatest Common Divisor | 15 | |
| Bohnenman | Extended GCD | 20 | |
| the_amntl | Hex | 5 | |
| the_amntl | ASCII | 5 | |
| lllll | Modular Binomials | 80 | |
| kuclux | Triple DES | 60 | |
| skinnylegend711 | Bytes and Big Integers | 10 | |
| kuclux | ECB Oracle | 60 | |
| 0x1622 | Modular Square Root | 35 | |
| eniga | Bringing It All Together | 50 | |
| shaggdex298 | Great Snakes | 3 | |
| Exodus5578 | ASCII | 5 | |
| eniga | Diffusion through Permutation | 30 | |
| the_amntl | Finding Flags | 2 | |
| NguyenNK | Noise Cheap | 90 | |
| skinnylegend711 | Base64 | 10 |
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