New Year is near, so it's good time to make a list of highest rated, probably the best games of the ending year 2007*. 

PSP
1. Final Fantasy Tactics: The War of the Lions - 88.0% (avg. score)
Refreshed version of Final Fantasy Tactics for PSX. Genre: tactical rpg.

1. Disgaea: Afternoon of Darkness - 88.0%
Remake of Disgaea: Hour of Darkness for PS2. Genre: tactical rpg.

3. Jeanne D'Arc - 87%
Historical-fantasy mix in a form of... tactical rpg. This one is PSP exclusive.

4. Ratchet & Clank: Size Matters - 86%
Well known duo on brand new PSP platformer/shooter adventures.

4. Syphon Filter: Logan's Shadow - 86%
TPP action game, follow-up to the Syphon Filter: Dark Mirror for PS2. Click do download demo.

4. Castlevania: The Dracula X Chronicles - 86%
Konami platformer for PSP. Brand new? - forget, it's remake of Japanese PC Engine

7. Puzzle Quest: Challenge of the Warlords - 85%
Puzzle game with strategy and RPG elements.

8. Crush - 83%
Platformer-puzzle game with 3D/2D ("crushed") sequences.

9. Sid Meier's Pirates! - 82%
Strategy action-adventure game, remake/conversion of PC/Xbox one, Arrr!

10. The Warriors - 81%
Fighting game that is PSP port of PS2/Xbox game based on the movie which is based on a novel.

10. Worms: Open Warfare 2 - 81%
Sometimes having worms isn't as bad as it sounds - these Worms are nice 2D artillery game. Download demo: EU version / US version

10. Pro Evolution Soccer 6 - 81%
Best soccer game. Port of PS2 version - Dual Shock 2 not included.

*There are few games that will be released in December, so this ranking isn't final
Source: gamerankings.com