Mammoth is primarily designed as a community and review theme for a particular product such as games, movies, gadgets etc. It is highly customizable and comes in three shades, black, light or brown. It features 3 unique template skins (black, brown and light), fully integrated voting system using GD Star Rating WordPress plugin and muxh more.
This is a very neat magazine-styled theme geared towards the gaming or movie niche blogs. I think you could use it out of the box and no need for heavily modding anyways. The integrated voting system is definitely a huge plus. I would suggest checking it out.