UK store base.com are doing some good deals at the moment. Some that stood out to me (prices are approx)
Metal Gear Solid V: The Definitive Experience (PS4) $28
Bloodborne - Game of the Year edition $39
Rocket League $27
Tales from the Borderlands $12
Shipping is just £1.49 ($2.65) per game, and they remove tax at checkout if being delivered to NZ. They also do XB1 games but I've not checked out any of those
No definite expiry date. Lots of games on sale have a browse!
10.4% Cashback