is offering extra 25% OFF on PlayerUnknown's Battlegrounds [greenmangaming.com]
when you go to their homepage and click on Get Your Code
button for the game.
The code can be applied for both (base & event pass) or just the base game. Total for base game comes out to $14.99 after the code.
This is a unique code generated for each account and the offer is valid till next 3 days. The redemption code is for STEAM.