> For the complete documentation index, see [llms.txt](https://ret2basic.gitbook.io/ctfwriteup/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ret2basic.gitbook.io/ctfwriteup/rareskills-puzzles/yul-puzzles.md).

# Yul Puzzles

- [01 - ReturnBool](https://ret2basic.gitbook.io/ctfwriteup/rareskills-puzzles/yul-puzzles/01-returnbool.md)
- [02 - SimpleRevert](https://ret2basic.gitbook.io/ctfwriteup/rareskills-puzzles/yul-puzzles/02-simplerevert.md)
- [03 - Return42](https://ret2basic.gitbook.io/ctfwriteup/rareskills-puzzles/yul-puzzles/03-return42.md)
- [04 - RevertWithError](https://ret2basic.gitbook.io/ctfwriteup/rareskills-puzzles/yul-puzzles/04-revertwitherror.md)
- [05 - RevertWithSelectorPlusArgs](https://ret2basic.gitbook.io/ctfwriteup/rareskills-puzzles/yul-puzzles/05-revertwithselectorplusargs.md)
- [06 - RevertWithPanic](https://ret2basic.gitbook.io/ctfwriteup/rareskills-puzzles/yul-puzzles/06-revertwithpanic.md)