PC game download deals for August 6-8 and beyond: space battles, fantastical quests, strategy

Plenty of bargains on offer this weekend, not least of which is Gratuitous Space Battles and all its accoutrements for 25 percent of the usual price at Steam - grab it before the discount expires, and pick up the free Alien Swarm at the same time.?

Also worth checking up on are Machinarium at Amanita Design, Mount & Blade Warband at Direct2Drive, Titan Quest, Torchlight and The Witcher at GamersGate, Jagged Alliance 2 and the later Earth titles at Good Old Games, and the first Victoria game at Impulse, timed nicely to coincide with the upcoming sequel's release.

Amanita Design
http://www.machinarium.net
Specialty: Own label

Machinarium, €3.92 / $5 (-75%)

Steam
Website: http://store.steampowered.com
Specialty: Valve Software, general gaming

Alien Swarm, free
realMYST, €4.99 (-17%)
Riven: The Sequel to MYST, €4.99 (-17%)
Puzzle Quest 2, €14.39 (-10%)
Gratuitous Space Battles, €4.99 (-75%)
Gratuitous Space Battles: The Order / The Swarm / The Tribe, €1.24 each (-75%)
Gratuitous Space Battles Collector's Edition (game + expansions), €5.99 (-75%)

Direct2Drive
Website: http://www.direct2drive.com
Specialty: General gaming

Alganon, $19.95 (-50%)
Amnesia: The Dark Descent, $17.95 (-10%)
Death Track: Resurrection, €2.50 / $3.50 (-75%)
Fallout 3 Game of the Year Edition (game + expansions), $24.95 (-50%)
Mount & Blade: Warband, €14.95 (-50%)

GamersGate
Website: http://www.gamersgate.com/offers
Specialty: General gaming

Deus Ex Invisible War, €3.39 (-66%)
Deus Ex: Game of the Year Edition, €3.39 (-66%)
Freedom Force vs the Third Reich, €1.34 (-66%)
Gothic II Gold Edition (game + expansions), €4.97 (-50%)
Gothic III Gold Edition (game + expansions), €7.48 (-50%)
King's Bounty Gold Edition (game + sequel), €8.73 (-75%)
Loki, €3.39, (-66%)
Mount & Blade: Warband, €20.06 (-33%)
The Great White Destroyer, €2.24 (-50%)
The Witcher: Enhanced Edition Director's Cut, €6.78 (66%)
THQ Complete Collection - 16 titles, €49.99 (-50%)
Titan Quest Gold Edition, €3.73 (-75%)
Torchlight, €3.98 (-75%)

Good Old Games
Website: http://www.gog.com
Specialty: Classics

Earth 2140 Trilogy, $4.19 (-30%)
Earth 2150 Trilogy, $4.19 (-30%)
Earth 2160, $4.19 (-30%)
Enclave, $4.19 (-30%)
Gorky 17 (aka Odium), $4.19 (-30%)
Jack Orlando: A Cinematic Adventure, $4.19 (-30%)
Jagged Alliance 2: Wildfire, $4.19 (-30%)
Knights and Merchants: The Peasants' Rebellion, $4.19 (-30%)
Septerra Core: Legacy of the Creator, $4.19 (-30%)
Two Worlds, $4.19 (-30%)
TopWare Pack - all 10 offers, $31.90 (-50%)

Impulse
Website: http://www.impulsedriven.com
Specialty: Strategy

Victoria, €9.99 / $13.17 (-50%)
Age of Booty, €4.99 / $6.58 (-50%)
Air Aces Pacific, €29.90 / $39.41 (-40%)
Cogs, €4.55 / $5.99 (-40%)
Dale Hardshovel and the Bloomstone Mystery, €4.55 / $5.99 (40-%)
Gratuitous Space Battles Complete, €19.69€ / $25.95 (-27%)
Lost Planet Extreme Condition - Colonies Edition, €749 / $9.87 (-50%)
THQ Ultimate Bundle - 17 titles, €65.49 / $86.31 (-80%)
World War 2 - Time of Wrath, €16.19 / $21.34 (-40%)