Case studies

What brands observed, stated plainly.

Each study lists what was measured, over what period, and what we cannot claim. More studies will be added when owners supply supporting material.

Micro-Mark

Hobby and specialty retail
  1. 1. Challenge

    Promote Micro-Mark Acrylic Paints to hobby painters and modelers through relevant YouTube creator content.

  2. 2. Work

    Per the owner, the team used SparkLine's creator and video analysis to pick which YouTube content to promote, and ran paid amplification around the launch.

  3. 3. Observed results

    In YouTube Studio, the channel gained 30.9K subscribers from July 10 to October 7, 2026, 56% more than the previous 90 days. Channel-wide, not a paid-only result.

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AndaSeat

Gaming chairs and community seeding
  1. 1. Challenge

    Introduce the AndaSeat Kaiser chair to Geometry Dash viewers, in a crowded gaming-chair market where generic chair ads are easy to scroll past.

  2. 2. Work

    Per the campaign owner, the chair was seeded to a creator in the Geometry Dash community and appeared in the streaming setup. The supplied evidence does not establish payment or endorsement terms.

  3. 3. Observed results

    A public video from that creator, GRIEF VERIFIED, showed 2,959,423 views and 170,654 likes on October 8, 2026. These are video statistics, not chair exposure or sales.

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TrickGMD

Creator merchandise, pre-launch
  1. 1. Challenge

    Announce an official TrickGMD Cube Plush to a Geometry Dash community through the creator's own video and a global purchase channel.

  2. 2. Work

    Per the supplied links, Trick announced the product in a YouTube video and listed it on Makeship. We document no SparkLine tool work and no contract terms.

  3. 3. Observed results

    No sales results yet. The Makeship listing showed Coming Soon on October 8, 2026, with launch scheduled for October 30, 2026.

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