| Date | User | Challenge | Score |
| Doge | Base64 | 10 | |
| Adekunle | Great Snakes | 3 | |
| hogwartsfailure | Finding Flags | 2 | |
| Atra0003 | Hex | 5 | |
| zero0x1 | XOR Properties | 15 | |
| Ahmedelbehi | Gram Schmidt | 30 | |
| x3ric | Key Backup Service 2 (HKCERT CTF) | 0 | |
| Adekunle | Finding Flags | 2 | |
| zero0x1 | XOR Starter | 10 | |
| Ahmedelbehi | What's a Lattice? | 40 | |
| zero0x1 | Bytes and Big Integers | 10 | |
| yy8ay | Sign in Please (HKCERT CTF) | 0 | |
| kryx | Base64 | 10 | |
| x3ric | Key Backup Service 1 (HKCERT CTF) | 0 | |
| kryx | Hex | 5 | |
| kryx | ASCII | 5 | |
| kryx | Network Attacks | 5 | |
| Ahmedelbehi | Size and Basis | 15 | |
| Ahmedelbehi | Vectors | 10 | |
| x3ric | Oofbleck (Firebird Internal CTF) | 0 | |
| Seventt | Oracular Spectacular | 150 | |
| x3ric | Real Mersenne (Zh3r0 CTF V2) | 0 | |
| g3k1 | Parameter Injection | 60 | |
| Linyx | Extended GCD | 20 | |
| x3ric | Sign In Please, Again (HKCERT CTF) | 0 | |
| hamza2002 | Base64 | 10 | |
| SCHROBB | Round Keys | 20 | |
| ferrat | Pad Thai | 80 | |
| x3ric | SpongeBob SquarePants / Battle for Bikini Bottom - Rehydrated (HTB Cyber Apocalypse) | 0 | |
| Gryfman | Crossed Wires | 100 | |
| joselayt | Finding Flags | 2 | |
| lucy54 | Vote for Pedro | 150 | |
| Croven | Finding Flags | 2 | |
| adante77 | Great Snakes | 3 | |
| conor13rp | Exceptional Curves | 100 | |
| x3ric | Sratslla SEA (HKCERT CTF) | 0 | |
| Pr4nav | XOR Starter | 10 | |
| Qu1n7as | An Evil Twisted Mind | 175 | |
| Pr4nav | Bytes and Big Integers | 10 | |
| uswr11 | Finding Flags | 2 | |
| duxy | Keyed Permutations | 5 | |
| Gryfman | Everything is Big | 70 | |
| x3ric | Substitution Cipher III (DownUnderCTF) | 0 | |
| Pr4nav | Base64 | 10 | |
| x3ric | Tenet: The Plagarism (HKCERT CTF) | 0 | |
| Gryfman | Modulus Inutilis | 50 | |
| maksushka | Jack's Birthday Confusion | 30 | |
| x3ric | Twist and Shout (Zh3r0 CTF V2) | 0 | |
| Pr4nav | Hex | 5 | |
| Pr4nav | ASCII | 5 |
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