In an attempt to remind PC gamers about its gaming back catalog of the past few years, Sega's PR team launched a campaign called "Make War, Not Love" last week. While this giveaway centered around free DLC for a trio of PC games, the campaign garnered more attention for its wholesale giveaways of unrelated Sega games that simply required showing up and submitting an e-mail address.

The campaign concluded on Saturday with its primary, popularity-contest portion swinging in the direction of Warhammer 40K: Dawn of War II. Players of that game will receive free DLC in the near future. Anyone else can currently show up to the site and sign up for a Steam code which, upon redemption, will grant full access to a trio of freebies: Viking: Battle for Asgard, Gunstar Heroes, and Renegade Ops.

Two of those count among the greatest co-op blasting games of all time—at least, in this humble author's opinion. 2011's Renegade Ops is a delightful, twin-stick retread of the '80s action game Jackal, as it asks two players to drive suped-up, gun-mounted four-by-fours and blow up archetypal terrorists. Meanwhile, 1993's Gunstar Heroes needs little introduction for any Mega Drive or Genesis owner, but if you've never played it, this frenetic, side-scrolling shooter really put game studio Treasure on the map, which was formed by ex-Konami staffers to make some of the craziest video games of the '90s.

Feel free to ignore the ho-hum, hack-and-slash combat of Viking, however.

Players who'd already stumbled across the site earlier in the week had the opportunity to claim a bunch of other Sega freebies via Steam, including '90s beat-'em-up Streets of Rage 2, graffiti-loaded classic Jet Set Radio, and underrated 2012 future-shooter Binary Domain. Those giveaways have since closed.

Sega's giveaway page will warn you that codes for the final freebie trio may take up to three days to arrive, and there's a newsletter sign-up requirement to claim them, so just set a reminder to check your spam queue for a Steam code in a few days and unsubscribe. Two out of three of these freebies are totally worth the hassle. This sign-up will end very soon and has no listed timeframe, by the way, so don't hesitate to jump on it.