- Both have smart male leads with a hidden past
- Deals with memory loss in some sense
- Psychological
- Both series have major plot twists
- Definitely owns up to the tags suspense and mystery
- Both keeps you on the edge of your seat
- Brings up serius topics that splits you between two (or more) sides
- No real right or wrong (?)

Both start of with a pretty simple storyline and one-sided characters but as the series progress so does the plot. Though Liar game is more of a mental struggle compared to Duels emotional roller coaster.

- Smart male lead
- Crime
- Mystery
- Shared past
- Plot twists
- Money issues