(January - May I wasn't sure about the correct prices, as I bought the majority from eBay. Did it to the nearest pound)

January:
Star Wars: The Force Unleashed - £21
Frontlines: Fuel of War - £10
3 on 3 NHL Arcade - £7.50 ish

February:
Gears of War - £7
Grand Theft Auto IV - £10
Fallout 3 - £10

March:
Assassin's Creed - £7.00
Call of Duty: World at War - £29

April:


May:


June:
Street Fighter IV - Gift
Resident Evil 5 - Gift

July:
Crackdown - £5.20
Prince of Persia - £6.51
Mass Effect - £9.98
The Orange Box - £9.50
Left 4 Dead - £21.25
Batman: Arkham Asylum (Pre-Order) - £29.59
Max Payne - £2.20

August:
Rock Band - £13.42
Call of Duty 4 - £18.49
Mirror's Edge - £2.98
Monkey Island - £9.75
Trials HD - £9.75
Shadow Complex - £9.75
Braid - £9.75

September:
Dead Space - £8.51
Halo 3: ODST - £26.94
MGS2: Substinence - £1.99
Prince of Persia: Sands of Time - £1.50
Harry Potter and the Prisoner of Azkaban - £1.50

October:
FIFA 10 - £24.98
The THQ Pack from Steam (19 Games ) - £29.96
Knights of the Old Republic - £1.74

November:
Borderlands - £22.12
Modern Warfare 2 - £26

December:
Dragon Age: Origins Collector's Editon - £21.22
Left 4 Dead 2 - Birthday Present
The Beatles: Rock Band - Birthday Present
Gears of War 2 - Birthday Present
Red Faction: Guerilla - Christmas Present
Band Hero (Set & All) - Christmas Present
Scribblenauts - Christmas Present
Oblivion - Birthday Present
InFamous - Christmas Present
Horse Training (Can't remember the full name) - £15 with Monster Truck Rally (Present for little sister)
Monster Truck Rally (Again, not sure about full name) - £15 with above (Present for little brother)
Battlefield 1943 - 560 MS Points/ £4.70 (ish)
Castle Crashers - 560 MS Points/ £4.70 (ish)


Total:
- 36 (Including XBLA games) - £369.09 (probably :P)
- 3 - £6.29
- 2 - £15.00
- 20 - £31.70

Overall: £422.08