Level selection screen - will be used to select the Multiplayer maps and Singleplayer missions:
Main menu - the background screen was photographed in South Africa (Helderberg) and edited later with Photoshop:
Control settings screen - key "W" is just set as a placeholder:
HUD elements: cover indicator, hit direction indicator, mission objective icon, weapon + ammo display, player name, score table, timer and crosshair.
Health bar (regenerating health):