Hmm, I think I'll participate this year.
Likes:
> Pixel art(duh?)
> Paintball
> Minecraft
> Artistic games(Shadow of the Colossus, Okami)
> Gaming in general
> Horrific/psychological monster designs(think Silent Hill)
> Zombies
> Space/Astronomy
> Adventure Time
> Mythological stuff from most of the older religions(Japanese, Roman and so on)
> Nintendo(Zelda, Mario, Metroid...)
> Exploration
> Beautiful landscaping/Earth porn
Not much I can say for dislikes.