You can grab Yet Another Zombie Defense HD for free on Steam right now, but only until July 30. The top-down tower defense zombie shooter normally costs a few bucks, but Valve's latest Free to Keep promotion has dropped the price to zero for one week. No tricks, no trials — just add it to your library and it's yours forever.
The Deal: Free to Keep Until July 30
Steam's Free to Keep promotion is exactly what it sounds like: a game goes 100% free for a limited time, and once you claim it, it stays in your library even after the promotion ends. Yet Another Zombie Defense HD is the latest title to get the treatment. The offer expires on July 30, so you've got about a week to snag it.
What You Get: Tower Defense Meets Zombie Shooter
Released in 2017 by Awesome Games Studios, Yet Another Zombie Defense HD is a top-down tower defense game with a day/night cycle. During the day, you build your base, set up defenses, and scavenge for supplies. At night, you defend against increasingly aggressive zombie hordes. The game blends classic tower defense strategy with direct shooter mechanics — you can run and gun alongside your turrets.
Up to four players can team up online across three modes: Defense, Endless, and Deathmatch. There's also Steam Workshop support, so you can download custom character models and maps. The game's AI throws tougher enemies each night, creating an escalating pressure that rewards smart base layout and quick reflexes. It's an AI arms race between you and the undead.
Weapons range from pistols to shotguns to full-auto rifles — including the iconic AK-47, a fan favorite for mowing down zombies. The game runs on modest hardware, so even laptops with integrated AMD graphics can handle it smoothly.
Why Now? The Sequel Is Almost Here
This giveaway isn't random. The developer announced it's celebrating the release date confirmation of Yet Another Zombie Survivors, the next game in the series. That title has been in Early Access since July 2023 and is now locked in for an August 20, 2026 launch. With the sequel less than a month away, this freebie is a smart way to get new players invested in the franchise.
Yet Another Zombie Survivors shifts the formula to a survivor-like roguelite, but the core loop of fighting endless undead remains. If you enjoy the HD version, you'll likely want to pick up the sequel.
How This Stacks Up Against Other Free Game Promotions
Steam's Free to Keep giveaways have historically been less flashy than what Epic Games Store offers weekly. Epic frequently gives away AAA titles like GTA V or Control. Steam's freebies tend to be smaller indies. But that doesn't mean they're low quality. Yet Another Zombie Defense HD holds a "Very Positive" rating on Steam, with players praising its addictive loop and co-op fun.
The downside? Steam doesn't advertise these promotions well. There's no banner or email blast. You have to stumble upon them or follow a deal tracker. That's why it's easy to miss — and why you should grab it now rather than risk forgetting.
A Legitimate Skepticism: Is It Worth Your Time?
Not every free game is a must-play. Some Free to Keep titles are short, shallow, or buggy. Yet Another Zombie Defense HD isn't a graphical powerhouse or a narrative epic. It's a straightforward arcade-style tower defense game. If you've played one zombie horde game, you've played many. But the co-op mode and Steam Workshop support add replay value that most freebies lack. For zero dollars, it's hard to argue with the value.
What Comes Next
Once you claim the game, keep an eye on August 20 for Yet Another Zombie Survivors. The developer has hinted at more content for the HD version as well, possibly cross-promotional items. For now, add it to your library, maybe install it for a quick session with friends. The zombies aren't waiting.
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