NeweggFlash takes an extra 25% off Steam downloads of a selection of Warner Brothers games for Windows, already marked up to 75% off, via coupon code "NEFPSBQ25". Deal ends March 8. A couple of best bets, with prices after coupon:

Mad Max for PC for $3.74 (low by $16)

Injustice 2 for PC for $25.12 (pictured, low by $10)