Game: Harbor
Developer: Castilva Games
Publisher: Wandering Wizard
Genre: Open-World Post-Apocalyptic Survival
Event: Closed alpha playtest
Alpha Starts: September 11, 3:00 PM PT
Sign-Ups Close: End of day, September 10
Release: 2026
Platform: PC (Steam)
⏰ Sign-Ups Close Today
If you want into Harbor’s closed alpha, registration closes at the end of the day on September 10 — that’s today. The playtest itself begins tomorrow, September 11 at 3:00 PM PT. There’s no indication the window will reopen, so if this interests you at all, sign up first and read the rest afterwards.
☢️ Harbor is running a closed alpha playtest starting September 11. Castilva Games and publisher Wandering Wizard are opening their open-world post-apocalyptic survival game to a select group of players, with feedback from the test feeding directly into development ahead of Early Access.
⚖️ There Are No Rules. There Is One Safe Zone.
Harbor’s pitch is about as stripped-back as survival games get, and the structure is what gives it shape.
You scavenge limited resources, craft what you need, build shelter, and try to hold onto all of it. Hunger and thirst are the least of your problems — the release is explicit that “there are no rules,” and that the real question is who you can trust.
You can form alliances. You can trade. You can be robbed by someone you just traded with.
And in the middle of all that sits Harbor itself — the game’s sole safe zone, where you take on missions, trade resources, and get some temporary security before heading back out into a world that has none.
The only safe zone is Harbor
A single hub where violence isn’t possible, surrounded by a world where it’s the default. Every interesting decision in a game like this happens on the walk back.
Harbor is an open-world post-apocalyptic survival game from developer Castilva Games and publisher Wandering Wizard, and it’s opening a closed alpha playtest tomorrow.
The test gives a selected group of players an early look at the game, with their feedback feeding directly into development. It kicks off September 11 at 3:00 PM PT — and sign-ups close at the end of today.
The Safe Zone Is the Interesting Part
🏙️ One Hub, and Everything Outside It
Plenty of survival games have trader outposts. Building the whole game around a single named safe zone that the game is titled after is a stronger structural commitment than that.
It concentrates everything. All the trading happens in one place, which means all the negotiating, all the sizing-up, and all the deals that get honoured or don’t. Missions are taken there, so everyone’s leaving from the same gate.
In practice that creates the thing this genre lives on: you recognise people. The player who traded fairly with you last week is standing across the market square. So is the one who didn’t. Reputation only means something when there’s somewhere it can follow you.
Whether the alpha’s population is big enough for that to emerge is exactly the sort of thing a closed test is meant to find out.
🥫 Scarcity
Limited resources are the core constraint. Hunger and thirst are only the start.
🔨 Build & Craft
Shelters and essential equipment, made from whatever you can carry home.
🤝 Alliances
Team up or trade with other survivors — and work out which of them means it.
🛡️ Defend It
Protecting what you’ve built is explicitly part of the loop, not an afterthought.
They’re Being Upfront About the State of It
🔧 “Bugs, Balance Issues, Incomplete Features”
Credit where it’s due. Rather than overselling the test, Castilva have written the caveat into the announcement themselves.
Players should expect an experience still actively being developed — bugs, balance issues, incomplete features and plenty that will change. The team asks for “the time and space needed to address issues and incorporate feedback.”
That’s the right framing for an alpha, and it’s more honest than most studios manage at this stage. It also sets a reasonable bar: if you go in expecting a finished game you’ll have a miserable weekend, and that’s on you rather than them.
The flip side worth naming: a team pre-emptively managing expectations this carefully is usually a team that knows the build is rough. Go in curious, not hopeful.
🗺️ What’s Planned Beyond the Alpha
Castilva have set out where feedback is expected to take the game on the road to Early Access:
• Expanded environments and new biomes
• New enemies and locations
• More resources and crafting options
• Additional equipment and weapons
• Building customisation
That’s a broad list, and broad lists at alpha stage are best read as direction rather than promise. But it does tell you what the team considers the game’s growth areas — and notably, almost all of it is content breadth rather than systems change, which suggests they’re reasonably settled on the core loop.
How to Get In
📋 Sign Up Today, Play TomorrowSign-ups close at the end of the day on September 10. The closed alpha begins September 11 at 3:00 PM PT — that’s 6:00 PM ET, 11:00 PM UK, and midnight in Central Europe going into the 12th.
Registration runs through the official sign-up page, and there’s a Harbor Discord for announcements and, presumably, for the test itself.
Harbor is listed on Steam with a 2026 release window and is available to wishlist now. No price has been announced, and the game is PC-only at this stage.
☢️ Post-Apocalyptic
🥫 Survival
🌍 Open World
🔨 Crafting
🏚️ Base Building
🤝 Trading
Who’s Making It
🛠️ Castilva Games
The developer behind Harbor, running the closed alpha as a direct feedback exercise rather than a marketing beat. Their stated approach is community-driven development, with player input continuing to shape the game through to Early Access.
🧙 Wandering Wizard
Publishing Harbor. They’re handling the announcement and the sign-up process, with the game available to wishlist on Steam now.
Harbor’s closed alpha begins September 11. If you want in, today is the day to register.
Hi there! I’m Marie, also known as CtrlQueen. I’m passionate about keeping up with the latest in gaming news and sharing my insights. RPGs steal my heart with their rich narratives and immersive worlds, but I also love unwinding with fun, casual games. Whether you’re here for deep dives into game mechanics or just to chat about your favorite casual game, you’ve found the right place! Let’s game and explore together.
