The now legendary Invisible Sun RPG ...

Moves of the Diamond Hand Early Access and Updated Demo

The surreal dice-driven RPG Moves of the Diamond Hand, sequel to Betrayal at Club Low, launches in early access April 13 with a massive demo update available right now.

Eliza Crichton-Stuart

Eliza Crichton-Stuart

Updated Mar 20, 2026

The now legendary Invisible Sun RPG ...

If you slept on Betrayal at Club Low back in 2022, now is the perfect time to wake up. Developer Cosmo D has announced that Moves of the Diamond Hand, the sequel to that wonderfully weird dice-driven RPG, is hitting Steam Early Access on April 13. Better yet, you don't have to wait to get a taste. An updated demo is live right now, and it's substantial. 

What Made Betrayal at Club Low Worth Your Time

Betrayal at Club Low was one of those games that flew completely under the radar despite being genuinely brilliant. You play a secret agent disguised as a pizza deliveryman, tasked with infiltrating a discotheque to rescue a colleague from a blown undercover operation. That premise alone should tell you everything about the game's energy.

It played like Disco Elysium crossed with a chaotic tabletop one-shot, full of branching paths, reactive builds, and memorable characters. The Cooking/Music multiclass alone was worth the price of admission. Short, yes, but the kind of short game you replay three or four times just to see what else is hiding in the cracks.

Cosmo D has been building the world of Off-Peak City for years, and Club Low was the moment it all clicked into something genuinely special.

How Diamond Hand Expands on the Formula

This isn't just more of the same. Moves of the Diamond Hand makes some significant structural changes that push the experience into new territory.

  • First-person perspective replaces Club Low's fixed adventure-game camera, making the world feel more immediate and immersive
  • Multi-act structure replaces the single contained scenario, with each act offering a sandbox roughly the same scope as all of Club Low
  • The same dice-based RPG systems return, but with more room to breathe across a bigger canvas

To put the scale in context: Club Low took around four hours to finish on a first playthrough. The demo for Diamond Hand covers just the first act, and that alone runs about three hours. The full early access release will contain multiple acts beyond that.

The Demo Is Already Doing Heavy Lifting

The updated demo isn't a throwaway slice. It ends with what can only be described as a "final boss" confrontation involving a sentient Big Mouth Billy Bass, which tells you exactly the kind of surreal, laugh-out-loud writing that defines this series. The game lurches between pure absurdist comedy and genuinely gripping noir storytelling, sometimes within the same conversation.

Here's the thing: the characters, even the silliest ones, have real heart to them. That's what separates Diamond Hand from games that mistake weirdness for personality.

Off-Peak City and the World Behind the Game

For newcomers, Off-Peak City is the shared setting across all of Cosmo D's games. The vibe is somewhere between a half-remembered late-night Adult Swim short from 2001 and a jazz-soaked fever dream. It's been a passion project years in the making, and Club Low was the first time the world got proper RPG mechanics to match its atmosphere.

Diamond Hand looks to carry that forward with more ambition and more space to tell its story. The early access launch on April 13 will represent the beginning of that process, with additional content expected to follow.

What to Do Before April 13

The demo is free on Steam right now. If you haven't played Betrayal at Club Low, that's the obvious first stop. It's short enough to finish in an evening and gives you all the context you need for what Diamond Hand is building on.

For more upcoming RPGs worth keeping an eye on, you can always check out the latest gaming news and reviews to stay across what's coming. April 13 isn't far off, and this is one early access launch that has a genuinely strong foundation to build from. Make sure to check out more:

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updated

March 20th 2026

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March 20th 2026

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