Get Borderlands: The Pre-Sequel for $30, and More in Steam's Co-Op Sale

Steam has another great Valentine's Day sale, offering deep discounts on cooperative games.

Some highlights from the sale include Borderlands: The Pre-Sequel for $30, Borderlands 2 for $5, Saints Row IV for $5, and many more.

The sale, which started today at 10:00 a.m. PST, will last until Monday 10 a.m. PST.

Steam isn't the only one offering Valentine's Day-themed sale today. In case you missed it, Sony is currently holding a PSN flash sale on a ton of PlayStation 4, PlayStation 3, and PlayStation Vita games.

For more great discounts, check out GameSpot's regular Gaming Deals posts.

Here's the full list of discounted games included in Steam co-op sale:

• Serious Sam 3: BFE -- $8
• Dungeon Defenders -- $3
• The Jackbox Party Pack -- $18.74
• Saints Row 2 -- $2.49
• Borderlands 2 -- $5
• Gang Beasts -- $13.39
• Viscera Cleanup Detail -- $8
• Serious Sam HD: The First Encounter -- $3
• Chariot -- $10.04
• Sanctum 2 -- $3
• Broforce -- $11.24
• Lethal League -- $7
• Garry's Mod -- $2.49
• Serious Sam 2 -- $2
• Magicka -- $2.49
• Gauntlet -- $10
• Guns of Icarus Online -- $3.74
• Borderlands -- $7.49
• Portal 2 -- $5
• STARWHAL -- $10.04
• Sanctum -- $1.49
• Saints Row IV -- $5
• Saints Row: The Third -- $3.74
• Borderlands: The Pre-Sequel -- $30
• Dungeon Defenders II -- $20
• Project Zomboid -- $9.74
• Orcs Must Die! 2 -- $3.74
• Don't Starve Together -- $17.24
• TowerFall Ascension -- $11.24
• Terraria -- $3
• Castle Crashers -- $3.74