The static newsletter box converts a low single-digit percentage of visitors. A branded game routinely converts far higher — and it is not magic, it is sequencing.
This article explains the exact mechanism: why asking for an email *after* someone has played beats asking before, which mechanics move the number most, and the benchmarks you should expect.
adgamify captures username, email, and a marketing opt-in after the first play, feeds scores to a leaderboard, and exports the whole audience to CSV. The result is an opt-in rate most static forms never reach.