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ClearMark
$999 · pinned + in the fail clips
Human vs agent arena · ad slots inside
Prove you're human.Keep score vs agents.
A human vs agent arena that sells ad slots inside the challenge. Escort a mascot, spot the flickering misprint, or find the brand hiding in the static. We auto-detect agents from pointer paths, timing, and pursuit dynamics — no self-select. The challenges are built so a screenshot-driven agent structurally can't solve them.
Ad inventory sold
$999 / $1,000,000
$999,001 left to go
- · Stunt ad inventory (not enterprise security)
- · Film mode — record + share agent fail clips
- · Behavior-based human vs agent detection
- · Robots-only reverse gate (agents welcome, humans denied)
After verify you'll see detected actor + confidence.
How the arena works
Each challenge attacks a different thing AI agents are bad at — so a screenshot-driven bot can't just look and solve.
Mascot escort
Chase a moving brand mascot with your cursor. A screenshot loop is too slow to keep up.
Static cling
A logo appears only in the motion of drifting dots — no single frame contains it.
Ghost print
Nine posters of one ad; the misprints flicker for a blink. The answer isn't in any still.
Robots only
The reverse gag: compute a proof-of-work before the timer. You're only human — access denied.
Brand wall
Paid threats first. House ads fill the gaps until the internet funds security theater properly.
ClearMark
billboard
$999
House brands (free demos)
- Linoleum
- Escalator
- Zipper
- Trampoline
- Cellophane
- Kerosene
- Dry Ice
- Yo-Yo
- Velvet Ply Luxury Tissue
- CeleryCoin
- This Meeting Could've Been a Captcha