Previously:
2008
--
KEY:
BEAT (B) = Finished the single player campaign
COMPLETED (C) = 100% done/all achievements
JANUARY

PSN Penny Arcade Adventures: On the Rain-Slick Precipice of Darkness, Episode 1 (B/C)
FEBRUARY

INDIE
Gravity Bone (B)

PSN Penny Arcade Adventures: On the Rain-Slick Precipice of Darkness, Episode 2 (B/C)

PSN Flower (B)
MARCH

PSN Noby Noby Boy (C)

Left 4 Dead (B) -- All campaigns completed

PSN Age of Booty (B)

INDIE
Burst (B)

Tom Clancy's Rainbow Six: Vegas 2 (B) -- Completed on 'Casual' difficulty

PSN Magic Ball (B/C)

PSN Cuboid (B)

Street Fighter IV (B) -- Beat arcade mode with all characters on 'Easiest' difficulty
APRIL

Killzone 2 (B) -- Completed on 'Trooper' difficulty in 8:05 hrs

Henry Hatsworth (B)
MAY

INDIE
Paper Moon (B)

INDIE
Minotaur in a China Shop (B)

INDIE
Today I Die (B)

Plants vs. Zombies (B)

Quantum of Solace (B) -- Completed on '007' difficulty
JUNE
n/a
JULY

inFAMOUS (B) -- Completed on 'Normal' difficulty

Red Faction: Guerrilla (B) -- Completed on 'Casual' difficulty in 18:12 hrs

PSN Shatter (B)
AUGUST

PSN Battlefield 1943 (C)

XBLA 'Splosion Man (B) -- Completed on 'Normal' difficulty in 5:02 hrs
SEPTEMBER

Batman: Arkham Asylum (B/C) -- Completed on 'Hard' difficulty, Platinum trophy
*

Burnout Paradise (C) -- Platinum trophy
OCTOBER

Red Faction: Guerrilla - Demons of the Badlands DLC (B)

Uncharted 2 (B) -- Completed on 'Hard' difficulty in 12 hrs
NOVEMBER

Borderlands (B) -- Completed Playthrough 1 solo as Brick

PSN Trine (B) -- Completed on 'Easy' difficulty w/ all experience and secrets collected

Torchlight (B) -- Completed on 'Hard' difficulty in 18:30 hrs

Call of Duty: Modern Warfare 2 (B) -- Completed on 'Hardened' difficulty in 7 hrs

PSN Trine (B/C) -- Completed on 'Very Hard' difficulty
DECEMBER

Hook Champ (B)

Assassin's Creed II (B) -- 69.6 sync in 24:42 hrs