Explorer ship 1162 poly:

Speed boat 938 poly:

Turret 760 poly:

Laser 970 poly:

For the splash screen (I'm still not happy with it):

Low poly models are UV and textured, for real time game play. Anyhow they will be relatively small on screen so they don't need too much details.
Software used:
Modeling, UV, and preview rendering: Modo 601
Texture: Modo 601, ZBursh and Photoshop
Splash screen: Vue 10