Chaos Zero Nightmare Collab: What we know right now about future collabs

Chaos Zero Nightmare Artwork 4

The upcoming dark fantasy roguelite RPG Chaos Zero Nightmare has already sparked buzz among gacha fans, not just for its eerie aesthetics and strategic deck‑based combat, but also for hints that collaboration (“collab”) events may play a role in its content roadmap. In this article, we detail what is confirmed, what’s speculated, and what to watch for.

What is Chaos Zero Nightmare and its current collab status

Chaos Zero Nightmare is developed by Super Creative and published by Smilegate, combining sci‑fi horror with tactical, card‑based combat and narrative depth. The game’s official site describes a “dark fantasy roguelite” setting where players battle the spreading force known as “Chaos.”

As of now, one collab has already been announced: hololive EN talents Mori Calliope and Nerissa Ravencroft. This collab is focused on music rather than in‑game units: the two will release an original theme song, “OVER//RIDE,” as part of the game’s promotional campaign. This marks a first step into crossover content, but it doesn’t yet define full in‑game collaboration mechanics (e.g. character crossovers, themed events).

Below is a table summarizing what we know so far and open questions about future collabs:

AspectConfirmed / ObservedUnconfirmed / Speculative
Official collab partner(s)hololive EN (Mori Calliope, Nerissa Ravencroft) – theme song collabIn‑game collab units or crossovers with other IPs
Type of collab contentMusic / promotional songIn‑game skins, characters, events
Timing of collabAnnounced alongside pre‑registration in July 2025Whether collabs will be seasonal, limited, or recurring
Integration into gameplayNone confirmed yetWhether collab characters become part of the standard gacha pool or remain limited
Collab frequencyUnknownCould follow model in other gacha games (e.g. 1–2 collabs per year)

What clues the devs and community have dropped

Collab hints and developer signals

  • In developer commentary and limited playtests, the team has discussed character addition methods: seasonal and collab units are likely to be treated differently from standard units, with some remaining limited or requiring special reruns.
  • The game’s roadmap has not yet shown concrete collab schedules, but the early musical tie‑in suggests a willingness to merge crossover IPs even outside gameplay.
  • During promotional showcases (e.g. “THE PROTOGENESIS” event) the devs mention surprise reveals and future direction updates.

Community expectations and patterns

  • Gacha communities often look for crossovers with anime, VTubers, or popular franchises. Many fans expect future collabs to follow that trend.
  • Some veteran gacha players hope collab units, if introduced, will eventually enter the permanent character pool (after initial limited cycles), to prevent permanent exclusivity.
  • The fact that hololive’s collab is music‑based has led to speculation that future collabs may adopt nontraditional forms (events, cosmetics, music, narratives) before full unit crossovers.

What to watch for – predictions & advice for players

Possible types of collabs

  1. Character crossovers – Guest characters from anime, VTubers, or game IPs join as limited units.
  2. Themed skin collabs – Existing characters receive alternate costumes or skins tied to a brand or franchise.
  3. Event collabs – Time-limited events that bring cross‑IP stories or challenges, without necessarily introducing permanent units.
  4. Media tie-ins – Music, artwork, or multimedia collabs (like the hololive song) that promote synergy but aren’t fully “playable”.

Strategic advice for gacha players

  • Save for limited picks: If collab units are introduced as limited banners, be conservative with your currencies until you know the rates and model.
  • Watch announcements closely: Developers often drop hints in showcases, dev diaries, or social media.
  • Check permanence rules: If collab units eventually enter the standard pool, you may not need to pull right away.
  • Use early collabs to test demand: The hololive tie-in shows the devs are open to collaborations; gauging this first one can inform what’s likely next.

As of today, the Chaos Zero Nightmare collab landscape is relatively modest: a musical cross‑over with hololive EN has been confirmed, but no in‑game collab mechanics or units are firm. Still, the groundwork has been laid, and fans of gacha titles should keep a close eye on future dev updates and community leaks. If used wisely, collabs could become a major draw for the game’s longevity and hype cycles.

Jake is an SEO-minded Football, Combat Sports, Gaming and Pro Wrestling writer and successful Editor in Chief. Most importantly, he is a Gacha players who specialises in Genshin Impact. On top of that, Jake has more than ten years of experience covering mixed martial arts, pro wrestling, football and gaming across a number of publications, starting at SEScoops in 2012 under the name Jake Jeremy. His work has also been featured on Sportskeeda, Pro Sports Extra, Wrestling Headlines, NoobFeed, Wrestlingnewsco and Keen Gamer, again under the name Jake Jeremy. Previously, he worked as the Editor in Chief of 24Wrestling, building the site profile with a view to selling the domain, which was accomplished in 2019. Jake was previously the Editor in Chief for Fight Fans, a combat sports and pro wrestling site that was launched in January 2021 and broke into millions of pageviews within the first two years. He previously worked for Snack Media and their GiveMeSport site, creating Evergreen and Trending content that would deliver pageviews via Google as the UFC and MMA SEO Lead. Jake managed to take an area of GiveMeSport that had zero traction on Organic and push it to audiences across the globe. Jake also has a record of long-term video and written interview content with the likes of the Professional Fighters League, ONE and Cage Warriors, working directly with the brands to promote bouts, fighters and special events. Jake also previously worked for the biggest independent wrestling company in the UK, PROGRESS Wrestling, as PR Head and Head of Media across the social channels of the company.