This is a clean dark blue and black responsive SMF 2.1 theme.

Gaming responsive theme

XPtsp.com theme for SMF 2.0 using CSS3

SkyFall is a dark transparent design which can blend in with many other websites!

Another Habbo theme for fansites

Habbo Theme for fansites

Last Chaos, Game Theme, gamigo, nemwar

Nice blue theme with CSS3 and color variants

Another Habbo Theme, in red

Steel look

Linux Theme for SMF Communities / Forums mainly for Linux Lovers and promoters

fish, fishing, theme, 2.0, camping, outdoor

Red & White Canadian Theme

Simple Gamer Theme

thor, red, black, dark, comic, book, hero, movie

Green, Lantern, Bright, Comic, movie

carbon, red, grey, bright, theme

7 themes in 1 - very different themes

A Blue Theme for 2.0

FenerBahce Tema  RC3  Fanatik Tema

Excellent Love RC2 RC3 pembe ,pink, love,aşk,sevgi,like

Green,yeşil,yesil,koyu,dark,core,default

Masmavi V3 - 2.0 RC3 - RC4-2.0