Sixteen classes, PoP as the ceiling.
Every class The Last Camp ships is listed below, grouped by archetype. Level cap is 65. AAs stop at the Planes-of-Power-era set. Berserker is canonically GoD-era but enabled on The Last Camp as the sixteenth playable class. No Epic 1.0 — see Epics for why the chain doesn't extend to Berserker.
Plate
Front-line tanks and hybrid plate. Hold aggro, survive the swings.
Melee
Light-armor melee. Position, burst, evade.
Hybrid
Melee with a spellbook. Utility, pulling, flexibility.
Caster
Silk casters. Nukes, pets, DoTs, crowd control.
DoTs ticking on every target forever.
The biggest crit in the game when it lands.
The pet does the work. You summon things for everyone.
Mezz, charm, clarity. The encounter is whatever the Chanter makes it.
Priest
Healers and buffers. The spine of every group.