Differences between achivements and ranks

Hi @lucastello

You have here a full explanation of all GamiPress elements and how they work or are designed for:
https://gamipress.com/docs/getting-started/introduction/

But in resume, ranks work exactly equal than achievements, but the difference is that ranks need to be earned in order (Rank 1, Rank 2, Rank 3, etc) and this is defined by the rank priority field:
https://gamipress.com/docs/getting-started/ranks/#the-rank-priority

Hope it helps