Note that the following list, from Cheap Ass Gamer, has prices listed in dollars so bear that in mind when working out whether or not you like the look of something:
XCOM EU and EW Pack [Online Game Code] - 14.99
The Bureau: XCOM Declassified [Online Game Code] - 4.99
Batman: Arkham Origins [Online Game Code] - 16.99
Batman Arkham City GOTY [Download] - 7.49
Batman Arkham Asylum GOTY [Online Game Code] - 4.99
Scribblenauts Unmasked [Online Game Code] - 9.99
Scribblenauts Unlimited [Download] - 6.79
LEGO Marvel Super Heroes [Online Game Code] - 9.99
Battlefield 2142 Deluxe Edition [Instant Access] - 2.99
Battlefield 3 [Download] - 4.99
Battlefield 3 [Instant Access] - 4.99
Battlefield 3: Premium Edition [Online Game Code] - 13.49
Battlefield 3: Premium Service [Online Game Code] - 9.99
Battlefield 4 [Download] - 35.99
Battlefield 4 [Instant Access] - 35.99
Command and Conquer The Ultimate Collection [Online Game Code] - 4.99
Command & Conquer The Ultimate Collection [Instant Access] - 4.99
Crysis 3 [Download] - 4.99
Crysis 3 [Instant Access] - 4.99
Dead Space 3 [Download] - 4.99
Dead Space 3 [Instant Access] - 4.99
Medal of Honor: Warfighter [Download] - 4.99
Medal of Honor Warfighter [Instant Access] - 4.99
The Sims 3 Into the Future [Online Game Code] - 13.99
The Sims 3 Into the Future (Mac) [Online Game Code] - 13.99
The Sims 3: Into the Future [Instant Access] - 13.99
The Sims 3 Seasons [Online Game Code] - 13.99
The Sims 3 Seasons [Mac Download] - 13.99
The Sims 3 Seasons [Instant Access] - 13.99
The Sims 3 Starter Pack [Online Game Code] - 13.99
The Sims 3 Starter Pack (Mac) [Online Game Code] - 13.99
The Sims 3: University Life [Download] - 13.99
The Sims 3: University Life (Mac) [Download] - 13.99
The Sims 3 University Life [Instant Access] - 13.99
Crusader Kings II [Download] - 9.99
Crusader Kings II: Dynasty Shields DLC Pack [Online Game Code] - 0.4975
Crusader Kings II: Mongols DLC Pack [Online Game Code] - 0.4975
Crusader Kings II: Ruler Designer DLC [Online Game Code] - 1.2475
Crusader Kings II: Songs of Albion DLC [Online Game Code] - 0.4975
Crusader Kings II: Songs of Faith DLC [Online Game Code] - 0.4975
Crusader Kings II: Songs of the Holy Land DLC [Online Game Code] - 0.4975
Crusader Kings II: African Unit Pack DLC [Online Game Code] - 0.4975
Crusader Kings II: Songs of the Caliph DLC [Online Game Code] - 0.4975
Crusader Kings II: Sword of Islam [Online Game Code] - 2.4975
Crusader Kings II: African Portraits [Download] - 0.4975
Crusader Kings II: Byzantine Unit Pack [Download] - 0.4975
Crusader Kings II: Dynasty Shield II [Download] - 0.4975
Crusader Kings II: Legacy of Rome [Download] - 1.2475
Crusader Kings II: Sunset Invasion [Download] - 1.2475
Crusader Kings II: Russian Portraits [Download] - 0.4975
Crusader Kings II: Russian Unit Pack [Download] - 0.4975
Crusader Kings II: Songs of the RU [Download] - 0.4975
Crusader Kings II: Mediterranean Portraits DLC [Download] - 0.4975
Crusader Kings II: Songs of Prosperity DLC [Download] - 0.4975
Crusader Kings II: The Republic DLC [Download] - 2.4975
Crusader Kings II: Hymns to the Old Gods [Download] - 0.4975
Crusader Kings II: Norse Portraits [Download] - 0.4975
Crusader Kings II: Norse Unit Pack [Download] - 0.4975
Crusader Kings II: The Old Gods [Download] - 3.7475
Crusader Kings II: Celtic Portraits [Online Game Code] - 0.4975
Crusader Kings II: Celtic Unit Pack [Online Game Code] - 0.4975
Crusader Kings II: Dynasty Shield III [Online Game Code] - 0.4975
Crusader Kings II: Europa Universalis IV Converter (DLC) [Online Game Code] - 2.4975
Crusader Kings II: Customization Pack DLC (Mac) [Online Game Code] - 1.2475
Crusader Kings II: Customization Pack DLC [Online Game Code] - 1.2475
Tomb Raider [Download] - 6.99
Hitman: Absolution [Online Game Code] - 4.99
Hitman Absolution: Professional Edition [Online Game Code] - 7.49
Sleeping Dogs [Download] - 4.99
Deus Ex: Human Revolution - Standard Edition [Download] - 4.99
Deus Ex: Human Revolution - Augmented Edition [Download] - 7.49
Just Cause 2 [Download] - 3.69
Final Fantasy XIV: A Realm Reborn [Download] - 14.99
Final Fantasy XIV: A Realm Reborn Collector's Edition [Download] - 24.99
LEGO Marvel Super Heroes [Online Game Code] - £5.97
Hitman: Absolution [Online Game Code] - £2.98
Crysis 3 [Download] - £2.98
XCOM EU and EW Pack [Online Game Code] - £8.97
The Bureau: XCOM Declassified [Online Game Code] - £2.98
Batman: Arkham Origins [Online Game Code] - £10.16
Batman Arkham Asylum GOTY [Online Game Code] - £2.98
Batman Arkham City GOTY [Download] - £4.48
Scribblenauts Unmasked [Online Game Code] - £5.97
Scribblenauts Unlimited [Download] - £4.06
Command and Conquer The Ultimate Collection [Online Game Code] - £2.98
Battlefield 3 [Download] - £2.98
Battlefield 4 [Download] - £21.54
Battlefield 3: Premium Edition [Online Game Code] - £8.07
Battlefield 3: Premium Service [Online Game Code] - £5.98
Dead Space 3 [Download] - £2.98
Medal of Honor: Warfighter [Download] - £2.98
Sleeping Dogs [Download] - £2.98
Deus Ex: Human Revolution - Standard Edition [Download] - £2.98
Deus Ex: Human Revolution - Augmented Edition [Download] - £4.48
Just Cause 2 [Download] - £2.20
Hitman Absolution: Professional Edition [Online Game Code] - £4.48
Battlefield 2142 Deluxe Edition [Instant Access] - £1.79
