# Key Features

- [Interactive Collecting](/sololeveling-unlimited/key-features/interactive-collecting.md): Solo Leveling: Unlimited (SL:U) will offer users a reward system and enjoyment that are on a different level from existing NFT projects.
- [C2E (Collect To Earn)](/sololeveling-unlimited/key-features/c2e-collect-to-earn.md): Solo Leveling: Unlimited is a system where you can collect, combine, and upgrade Digital Collectibles to earn various rewards.
- [Easy Access](/sololeveling-unlimited/key-features/easy-access.md)