# How it works

- [Free-to-play](/index/how-it-works/free-to-play.md): Freemium, should we say?
- [Running session](/index/how-it-works/running-session.md): Running without music is soulless.
- [Raffle system](/index/how-it-works/raffle-system.md): "God does not play dice with the universe." -- Albert Einstein
- [Marketplace](/index/how-it-works/marketplace.md): An open market place for traders and Hibiki Run players
- [Anti-exploitation system](/index/how-it-works/anti-exploitation-system.md): A Tom-and-Jerry type of thing.
- [Reputation system](/index/how-it-works/reputation-system.md): It's like 1984, but in a good way.
- [Asynchronous mode](/index/how-it-works/asynchronous-mode.md): Sometimes, it's just nice to have some delayed gratification.
- [Main game properties](/index/how-it-works/main-game-properties.md): No game, no life.
- [Mint](/index/how-it-works/main-game-properties/mint.md): It takes two to "breed" a pair of new headphones.
- [Charge](/index/how-it-works/main-game-properties/charge.md): Just a necessary token sink for good mental health.
- [Rarity](/index/how-it-works/main-game-properties/rarity.md): Do-re-mi-fa-so-la-ti, what tiers do you see?
- [Stamina](/index/how-it-works/main-game-properties/stamina.md): The more, the better.
- [Raffle limit](/index/how-it-works/main-game-properties/raffle-limit.md): You can only go all in once a day.