I saw the following games have coupons (there are probably more):

• Concordia $44.49 - $11.12 = $33.37
• Marvel Dice Throne (Limited timed deal) $42.49 - $10.62 = $31.87
• 7 Wonders Architects $39.99 - $10 = $29.99
• Gloomheaven JotL $37.95 - $7.96 = $29.99
• King of Tokyo $39.99 - $10 = $29.99
• Arkham Horror TCG $35.96 - $8.99 = $26.97
• Res Arcana $39.99 - $10 = $29.99
• Most Tiny Epic games have a 5% off coupon
• Trekking the World / Trekking the National Parks / Trekking through History, each $50 - $5 = $45
• Tapestry $71.99 - $18 = $53.99
• The Lord of the Rings: Journeys in Middle-earth $87.99 - $22 = $65.99
• The Loop $44.95 - $8.50 = $36.45

Some have good discounts, some not so much...