Steam Playtests
HADALYTH ZERO

Open now · By request

HADALYTH ZERO playtest

by CLAYMORE_DEV

HADALYTH ZERO is a penguin-based multiplayer fishing chatroom game with fleshed out life-sim mechanics. Catch hundreds of unique fish, customize your penguin, complete objectives, and hangout with people.

It's free to ask. The developer chooses who gets in.

Access
By request
On playtest since
Apr 8, 2026
Planned release
To be announced
Developer
CLAYMORE_DEV
Platforms
Windows, Linux
Players
Co-op, Multiplayer, Online co-op, Single-player
Languages
English

How to join the HADALYTH ZERO playtest

  1. Open the game's Steam page with the Request access button. Sign in to Steam if it asks.
  2. Request access to the HADALYTH ZERO playtest there. It's free and doesn't commit you to anything.
  3. The developer lets players in, often in batches, so it can take a while. Steam emails you when you're in, and the playtest appears in your library.

New to playtests? How Steam playtests work

About HADALYTH ZERO

There are over 400 unique fish to catch in HADALYTH ZERO. Catch them all to gain a deep sense of personal accomplishment and show off to your friends that you're the one true penguin fishing master.

With hundreds of unique cosmetics ranging from a normal Gentoo Penguin all the way to the exotic and coveted Dragon Penguin, there is something for everyone. Truly express your inner penguin in ways you've never seen before.

HADALYTH ZERO has every way to communicate with other players. You can use text chat, voice chat, and even picture chat to write, talk, and draw whatever you're trying to say.

From the game's Steam page.