# System

- [Mission](/guide_en/game-guideline/system/mission.md)
- [Pass](/guide_en/game-guideline/system/mission/pass.md)
- [Bag](/guide_en/game-guideline/system/bag.md)
- [Expand bag](/guide_en/game-guideline/system/bag/expand-bag.md)
- [Storage](/guide_en/game-guideline/system/storage.md)
- [Currency](/guide_en/game-guideline/system/currency.md)
- [Shop](/guide_en/game-guideline/system/shop.md)
- [Ability skill quick menu](/guide_en/game-guideline/system/ability-skill-quick-menu.md)
- [Auto-revive](/guide_en/game-guideline/system/auto-revive.md)
