MMOs similar to Crossout

Crossout is a post-apocalyptic vehicular combat game where your machine isn't picked off a shelf but hand-built from dozens of compatible parts — frame, armor, movement, weapons. Its defining trait is real-time physical destruction: components break off piece by piece as damage lands, rather than draining an abstract health bar.

Similar picks are chosen around one principle: games where a vehicle or combat unit is assembled from individual, stat-affecting modules rather than selected pre-made, and where that build gets tested directly in PvP or PvE combat.