You know the drill. It's Friday and digital game dealers want your cash. Steam has reduced its entire C&C catalog by 75%, including last year's Tiberian Twilight. Impulse has cut 50% off Heroes of Might & Magic V, Direct2Drive offers 15% of all MMOs via promo code "hotpockets", and GamersGate has discounted various noteworthy titles, including Dead Space 2, The Witcher, Chronicles of Riddick Assault on Dark Athena and more. Meanwhile, Microsoft is pairing Bulletstorm with a free copy of Gears of War and Good Old Games takes 40% off half a dozen classics.

75% off all Command & Conquer titles (including C&C 4: Tiberian Twilight)
ProtoGalaxy $4.99 (50% off)
Cricket Revolution $0.99 (80% off)

Crusader Kings Complete $6.25 (75% off)
Heroes of Might & Magic V + Tribes of the East $9.99 (50% off)
Return to Mysterious Island Bundle $17.49 (50% off)
Valusoft Tycoon Bundle $14.99 (75% off)
Gods vs Humans $9.99 (50% off)
50% off all Enlight titles

15% off all MMO titles via promo code "hotpockets"
Trine (Mac version) $9.95 (50% off)

The Witcher: Enhanced Director's Cut $7.98 (60% off)
Dead Space 2 $39.95 (33% off)
Chronicles of Riddick Assault on Dark Athena $7.98 (60% off)
Star Trek Online Digital Deluxe Edition $7.48 (50% off)
Total Annihilation $3.98 (60% off)

Games for Windows
Tropico 3 Gold Edition $14.99 (50% off)
Free copy of Gears of War with purchase of Bulletstorm (ends March 8)

Good Old Games
40% off assorted classics