Marsh
Mallow, our brand is launching a Roblox world next month, and I keep hearing the post-launch attendance drops to zero almost immediately at other brands. I'm nervous.
Mallow
Fair worry. For brand-experience worlds, 70–90% of total visits land in the first week. The remaining 10–30% is the long thin tail across the following months. So week one is where the campaign is actually fought.
Marsh
That's a brutal drop-off… For a normal campaign we'd expect to ramp up over a month or two.
Mallow
The Roblox discovery algorithm weighs early momentum heavily. If visits and play time rise in the first 3–7 days, Roblox itself will push the world on the home screen. A quiet start means it falls out of the recommendation queue and almost no one finds it after that.
Marsh
So it's basically SNS viral logic. What goes into week one?
Mallow
Three concurrent loops. (1) External ads pulling traffic into Roblox. (2) In-Roblox discovery — make the world easy to surface. (3) Creator activations spreading it. Drop any one of the three and momentum stalls.
Marsh
What's "external ads," concretely?
Mallow
YouTube and TikTok. 80%+ of Roblox users live on both. Short vertical video, 15–30 seconds, leading with "the most cinematic shot of the world + a tease of the limited-time item." Three flights: one week pre-launch, launch day, and three days post-launch.
Marsh
What's "in-Roblox discovery"?
Mallow
Inside Roblox there's an ad placement called Sponsored Ads. Spend on that aggressively in week one. Separately, write the world's thumbnail, title, and description with search-friendly keywords. That second part is the one teams often miss.
Marsh
I'd assumed we'd lead the thumbnail and title with the brand name. That's not enough?
Mallow
Brand name alone is weak. Combine the brand name with a genre tag ("escape," "simulator") and discovery keywords like "free items" or "limited." Kids and teens search literally for "free items" — your title needs to catch on that.
Marsh
A bit cynical but I see it. The third loop — creator activations — what does that look like?
Mallow
Have Roblox-specialist YouTubers stream or record the world. This is the single most effective lever in week one. One good video can pull thousands to tens of thousands of players the same day. Brief 3–5 creators in advance, align their drops with launch day.
Marsh
How do you find these YouTubers? I don't know any Roblox-specialist creators.
Mallow
Casting is easiest through Roblox-specialist agencies. A handful exist in Japan; the same is true in the US/EU. Pick by brand fit, the production quality of past campaigns, and — importantly — average views, not raw follower count.
Marsh
Is there a "non-negotiable day-one checklist"?
Mallow
Three lines. (1) On day 1 and day 2, a LiveOps partner (us, or someone equivalent) is watching the dashboard live — crashes and server overload have to be killed inside the first day. (2) The official brand SNS handles post the launch hashtag on day one. (3) Sponsored Ads are pre-submitted to Roblox review well ahead of launch so they actually go live that day.
Marsh
"Week one decides 70–90% of all traffic." "Run external ads + in-Roblox discovery + creator activations in parallel." "Don't go soft on day-one operations." I'm bringing this back to the team.
