Pokud jsou myšleny ty level účtu, tak dostaneš maximálně 1 xp. Kdyby ses podíval přímo do infa, tak tam je :
To raise your level you can:
Craft badges (100 XP per badge, can up to 5 levels of regular and 1 Foil Badge per game, special badges have no limit)
Collect games (1 XP per non-Free to Play game)
Complete tasks of the community; 100 XP, 200 XP or 500 XP, depends on how many tasks completed.
Gain Event badges (pre-determined amount of experience)
50 XP per year that you have a Steam account
A samozřejmě : Level 1 - 100XP = +5 Friends Slots
Vše jasně popsané, sepsané.. stačí hledat..