Is the Cthulhu Wars Sleeper Expansion Worth Adding to Your Collection?

Is the Cthulhu Wars Sleeper Expansion Worth Adding to Your Collection?

Yes, for most Cthulhu Wars owners who already know the base game well. The Sleeper adds the Tsathoggua faction, a Great Old One built around stolen resources and disruption rather than raw force, for $59.99. It isn't the expansion a brand-new player should buy first, but it's a strong pick once you've run a few sessions with the four core factions and want something that plays by different rules.

What Is the Sleeper Expansion in Cthulhu Wars?

The Sleeper Faction Expansion Packs product adds a fifth playable faction to Cthulhu Wars, centered on the Great Old One Tsathoggua. It's a faction expansion, not a new base game or a standalone product. You need the Cthulhu Wars O4 Edition on the table to use it. Petersen Games' own product listing describes Tsathoggua as "the god of indolence" and calls the faction "filled with tricks and traps for your foes," which sums up the pitch pretty well: this is a faction that wins by taking what other players have built, not by out-muscling them.

The Sleeper first appeared as a Kickstarter-era expansion during Petersen Games' Onslaught campaigns and has stayed part of the ongoing Cthulhu Wars expansion ecosystem since. Component sets like this typically include the Great Old One miniature itself, a set of faction-specific cultist and monster figures, and the faction's own spellbook cards. Check the current listing on the Sleeper Faction Expansion Packs product page for the exact component breakdown before you buy, since packaging details can shift between print runs.

Who Is Tsathoggua, the God Behind the Sleeper Faction?

Older than you'd guess. Tsathoggua didn't originate with Cthulhu Wars, or even with H.P. Lovecraft. He's the creation of writer Clark Ashton Smith, who introduced him in his Hyperborean fiction of the late 1920s and early 1930s as an idle, toad-like entity dwelling in the caverns beneath the fictional land of N'kai. Smith's stories gave him the epithet "the Sleeper of N'kai" well before Sandy Petersen built a Cthulhu Wars faction around the name. Lovecraft picked up the character and referenced him across several of his own stories, cementing Tsathoggua as one of the more frequently mentioned deities in the shared Cthulhu Mythos. The full history is covered in Wikipedia's entry on Tsathoggua and in the background on Clark Ashton Smith, the author who created him.

Worth clearing up here: Tsathoggua is a distinct Great Old One from Great Cthulhu, who anchors the base game's core faction of the same name. Both entities carry a "sleeper" theme in different corners of Lovecraft's mythos, but in Cthulhu Wars the product branded "the Sleeper" refers specifically to this Tsathoggua faction expansion. Great Cthulhu is a separate faction, included in the O4 core box, with its own units and playstyle. If you're searching for "the Sleeper" expecting Cthulhu himself, this expansion is a different god entirely.

What Does the Sleeper Faction Add to the Game?

A different way to win. Most Cthulhu Wars factions build power by holding gates and fielding monsters directly. The Sleeper faction leans into indirection instead: parasitizing what opponents have already built, forcing awkward trade-offs on other players, and turning patience into a resource. That's a real shift in how a session plays out once Tsathoggua sits down at the table.

For collectors, there's also a straightforward production-value case. Petersen Games' faction expansions ship with the same premium miniature standard as the base game, so the Tsathoggua figure and its supporting units match the O4 core box in sculpt quality rather than feeling like an afterthought. At $59.99, it sits in the same price range as the game's other major faction and content packs, and it's a purchase most Cthulhu Wars households make once they've decided the base game is a keeper rather than a one-and-done.

Should You Buy the Sleeper First, or a Different Expansion?

Buy the base game and play it several times before you buy anything. That's the honest starting point for this whole question. The Cthulhu Wars O4 Edition already ships with four full factions, and learning gate control, power management, and combat timing on those factions is the foundation everything else builds on.

Once you're past that stage, where the Sleeper lands depends on what you already own and what kind of expansion you're after:

• Want a new faction with a genuinely different playstyle? The Sleeper is a strong pick. Its disruption-focused identity doesn't overlap much with the four core factions, so it adds real variety to your faction rotation.
• Want more Great Old Ones to recruit across any faction? Great Old One Pack 1 ($39.99) adds several neutral Great Old Ones, including Yig, that any faction can recruit, which changes strategy across every game rather than adding a new faction to choose between.
• Want new threats rather than new factions? Cosmic Terrors ($29.99) adds Terror-class units that raise the stakes for every player at the table, independent of which faction you're running.
• Curious about a second human-cultist faction? The Tcho-Tchos ($59.99) are their own standalone cultist faction, distinct from the Sleeper and from the Yellow Sign's core-game roster, and worth comparing against the Sleeper if disruption-style factions are what you're after.

If you're choosing between the Sleeper and the Tcho-Tchos specifically, the difference comes down to flavor. The Tcho-Tchos build an economy through numbers and territory. The Sleeper wins by making everyone else's plans more expensive. Collectors who eventually want the full expansion ecosystem tend to pick both up over time rather than treating it as an either-or decision.

Who Should Skip the Sleeper Expansion?

Brand-new players. If you haven't played Cthulhu Wars yet, the Sleeper isn't where to start. Its whole identity depends on understanding what the other factions are trying to do so you can interfere with it, and that only clicks once you've learned the base game's core loop first. Buy the O4 Edition, run it through a handful of sessions with friends, and let the group's own experience point you toward the next purchase.

Players who mainly care about raw combat power might also find the Sleeper's indirect style less satisfying than a straightforward monster-flooding faction. It rewards reading the table and timing your interference, which is a different skill set than committing to a fight and winning it outright. That's not a knock on the faction. It's just not for every playstyle.

Where to Buy the Cthulhu Wars Sleeper Expansion

The Sleeper Faction Expansion Packs are available directly from Petersen Games alongside the rest of the game's growing lineup. Browse the full Cthulhu Wars collection to see the current base game, faction expansions, and add-on packs together, or start with the Cthulhu Wars O4 Edition if you don't own the core game yet. In-stock orders process within 48 hours, and US orders ship via USPS Ground Advantage, typically arriving in 2-5 business days once they leave the warehouse. Shipping rates are calculated at checkout based on destination and package weight.