GreenManGaming is currently offering Batman: Arkham Knight with a 40% discount. This basically means that you can get this upcoming Batman game for 30 bucks, making this a really tempting offer.
This offer lasts until June 15th, 11.59pm.
All you have to do is use the following voucher code while purchasing the game from GMG (without quotation).
“40OFFB-ATAKVC-GMGRB9”
In addition, GreenManGaming is offering a 25% discount on all PC games (including GTA V and The Witcher 3, making this offer way better than the one found on Steam) until Friday 19th.
For a 25% discount, you can use this voucher code while purchasing the game from GMG.
“GRAB25-PERCNT-OFFNOW”
You can get Batman: Arkham Knight from the following link.
Enjoy!