| Date | User | Challenge | Score |
| nighty_night | Great Snakes | 3 | |
| origabai | Decrypting TLS 1.3 | 35 | |
| nighty_night | Finding Flags | 2 | |
| kotoha_knth | ProSign 3 | 100 | |
| BarredOwl | You either know, XOR you don't | 30 | |
| origabai | Decrypting TLS 1.2 | 30 | |
| achu72 | Greatest Common Divisor | 15 | |
| kotoha_knth | Curveball | 100 | |
| j_m | Let's Decrypt Again | 175 | |
| deadlypool | XOR Starter | 10 | |
| deep07 | XOR Starter | 10 | |
| rad0xus | Finding Flags | 2 | |
| sha1nks | XOR Properties | 15 | |
| giardinodecorati | Bean Counter | 60 | |
| j_m | Vote for Pedro | 150 | |
| j_m | Blinding Light | 120 | |
| j_m | Let's Decrypt | 80 | |
| j_m | Signing Server | 60 | |
| kotoha_knth | Smooth Criminal | 60 | |
| Dersteppenwolf74 | Base64 | 10 | |
| j_m | Null or Never | 100 | |
| ret2win | XOR Starter | 10 | |
| j_m | Bespoke Padding | 100 | |
| j_m | RSA Backdoor Viability | 175 | |
| j_m | Ron was Wrong, Whit is Right | 90 | |
| j_m | Fast Primes | 75 | |
| j_m | Marin's Secrets | 50 | |
| j_m | Infinite Descent | 50 | |
| j_m | Beatboxer | 150 | |
| deep07 | Bytes and Big Integers | 10 | |
| Magixx | You either know, XOR you don't | 30 | |
| deep07 | Base64 | 10 | |
| deadlypool | Base64 | 10 | |
| j_m | Endless Emails | 150 | |
| j_m | Forbidden Fruit | 150 | |
| j_m | Everything is Still Big | 100 | |
| j_m | Crossed Wires | 100 | |
| j_m | Everything is Big | 70 | |
| j_m | Modulus Inutilis | 50 | |
| j_m | Salty | 20 | |
| j_m | Manyprime | 40 | |
| j_m | Square Eyes | 35 | |
| j_m | Monoprime | 30 | |
| j_m | Inferius Prime | 30 | |
| kotoha_knth | Export-grade | 100 | |
| j_m | Factoring | 15 | |
| Yeonjae | Modular Inverting | 25 | |
| j_m | RSA Signatures | 25 | |
| Dersteppenwolf74 | Hex | 5 | |
| j_m | RSA Decryption | 20 |
You are now level Current level