| Date | User | Challenge | Score |
| cyros | Modular Arithmetic 1 | 20 | |
| vaibhav_67 | Base64 | 10 | |
| cyros | Extended GCD | 20 | |
| Dhrub_Singh_17 | ASCII | 5 | |
| ujjwal99 | You either know, XOR you don't | 30 | |
| Ronak48 | Bytes and Big Integers | 10 | |
| cyros | Greatest Common Divisor | 15 | |
| KarenWadie0153 | Bytes and Big Integers | 10 | |
| sharadyadav | XOR Properties | 15 | |
| cpicozzi | Bean Counter | 60 | |
| 24BECSE19_DT | Legendre Symbol | 35 | |
| Ronak48 | Base64 | 10 | |
| Diwakar_20 | Base64 | 10 | |
| Mix | Legendre Symbol | 35 | |
| ShiperNova | ASCII | 5 | |
| rfmph | Generators of Groups | 20 | |
| shivamyadav | ASCII | 5 | |
| spriing | XOR Starter | 10 | |
| smart2 | Network Attacks | 5 | |
| TheCursedChild | Encoding Challenge | 40 | |
| priyanshu44 | Great Snakes | 3 | |
| Navam | Greatest Common Divisor | 15 | |
| Mahi_26 | Bytes and Big Integers | 10 | |
| vaibhav_67 | Hex | 5 | |
| creativearun005 | XOR Starter | 10 | |
| qkimrobins | Bytes and Big Integers | 10 | |
| Arshad_27 | Hex | 5 | |
| cyros | Lemur XOR | 40 | |
| NINJA_SS | Great Snakes | 3 | |
| ujjwal99 | Lemur XOR | 40 | |
| nikhil_36 | Base64 | 10 | |
| creativearun005 | Bytes and Big Integers | 10 | |
| Diwakar_20 | Hex | 5 | |
| Zira | Passwords as Keys | 50 | |
| 24BECSE19_DT | Quadratic Residues | 25 | |
| blackhat69 | Base64 | 10 | |
| 24BECSE19_DT | Modular Inverting | 25 | |
| ghost08 | ASCII | 5 | |
| dewangdhakad | Hex | 5 | |
| ujjwal99 | XOR Starter | 10 | |
| Prachi_Baghel | ASCII | 5 | |
| ujjwal99 | Hex | 5 | |
| Ronak48 | Hex | 5 | |
| 24BECSE19_DT | Modular Arithmetic 2 | 20 | |
| thakarkirti13 | XOR Properties | 15 | |
| emors9 | Finding Flags | 2 | |
| nikky | Finding Flags | 2 | |
| Ronak48 | ASCII | 5 | |
| Nkp_nishant | Base64 | 10 | |
| 24BECSE19_DT | Modular Arithmetic 1 | 20 |
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