Green Man Gaming takes 75% to 80% off Steam downloads of XCOM titles, as listed below. Plus, coupon code "23PERC-ENTOFF-48HOUR" cuts an extra 23% off, yielding prices from $3.08. Coupon ends June 8. The deals, with prices after coupon:

• The Bureau: XCOM Declassified for PC and Mac for $3.08 (low by $2)
• XCOM: Enemy Unknown for PC and Mac for $5.77 (low by $2)
• XCOM: Enemy Within Expansion Pack for PC and Mac for $5.77 (low by $2)
• XCOM: Enemy Unknown - The Complete Edition for PC and Mac for $7.70 (pictured, low by $5)