Engineer: a support trooper that automatically builds turrets, mines, and barricades

Stealth: vanishes while standing still, then dashes in and knifes enemies from behind for an instant kill

New enemy — Stealer: a fast, tiny raider that races to battlefield items and steals them for the red army

New enemy — Breacher: a lumbering bruiser that smashes through your built barricades

New enemy — Teleporter: opens portals that blink a pack of enemies forward, right over your walls

New enemy — Jetpack: a flyer that soars over cover and barricades and lands on top of the map

Shimmering cloak effect for the Stealth unit