heap 11
- HITCON CTF 2022 -- Fourchain - Browser
- MeePwn CTF 2017 -- Brainfuck 1 & 2
- MeePwn CTF 2017 -- anotherarena
- DEFCON CTF 2017 Quals -- badint
- 33C3 CTF 2016 -- babyfengshui
- SECCON CTF 2016 -- chat
- HITCON CTF 2016 Quals -- Shelling Folder
- HITCON CTF 2016 Quals -- Secret Holder
- ASIS CTF Finals 2016 -- shadow
- ASIS CTF Finals 2016 -- car market
- SCTF 2014 -- Pwn400