From BlenderWiki

Game Engine - Unsupported bits in the UI

Properties Panel

The options noted are the ones that are not supported. All the others were tested as of August 2014.

Object Constraints

• Motion Tracking: None works
• Transform: None works
• Tracking: None works
• Relationship: only Rigid Body Joint is supported

Object Modifiers

http://wiki.blender.org/index.php/Doc:2.6/Manual/Modifiers

• Modify: Mesh Cache, UV Project, UV Warp, Vertex Weight
• Generate: Boolean, Build, Skin
• Deform: Wave
• Simulate: only Soft Body is supported

Mesh

Geometry data

Curve

Not Supported.

Surface

Not Supported.

Armature

Supported.

Bone

Supported.

Bone Constraints

Supported.

Lattice

Supported.

Material

• Volume and Halo types
• Shading: Translucency, Tangent Shading
• Options: Traceable, Full Oversampling, Sky, Invert Z Depth, Light Groups, Pass Index
• Shadow: Receive Transparent, Shadows Only, Auto Ray Bias, Ray Bias, Cast Only, Cast Approximate
• Transparency: raytrace

Texture

• Types: procedural textures (only Image or Movie and Environment Map are supported)
• Influence: Intensity, Translucency, Mirror, Ray Mirror