zener.cards's rivals
Plays classic extrasensory perception card games in the browser with accuracy tracking, leaderboards and friend challenges.
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cardrooms.appnobody's claimed it
Joins and creates competitive multiplayer card game rooms to play with others and climb the leaderboard.
How rivals are picked
Every square's description is compared with every other square's, and the closest thirty are read by an AI that keeps only real alternatives: products a customer would weigh against zener.cards. Add-ons, companion apps and neighbouring niches are left out. It reads what each site says about itself, so it can be wrong; tell us when it is.
Bulldozing costs what evicting costs: double what the owner paid, $1 minimum. It's anonymous, nobody moves in, and the lot reopens at $1, so they can come back. The longer version is evict your competitor.