The playable runtime is at /game/. The portal provides navigation and searchable explanatory content.
<iframe src="https://krillion.dev/game/?mode=daily" title="Deep Recall trivia" width="100%" height="760" allow="fullscreen; web-share"></iframe>Other domains require an explicit EMBED_ORIGINS allowlist entry. Validate both sender window and origin for the typed resize messages. Browser restrictions can affect saved progress in third-party embeds.