Accounts are optional. Everything on PlainLogic works without one — signing in just keeps your game progress in sync across your devices.
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Sign in to PlainLogic
Enter your email and we'll send you a sign-in link — no password to remember. The link signs you in on this device.
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We sent a sign-in link to . It expires soon — open it on this device to finish signing in.
No account yet? The same link creates one — there's nothing else to fill in. Prefer to stay anonymous? Just keep browsing; nothing here needs a sign-in.
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Bring your progress with you?
This device already has game progress saved in its browser. Upload it to your account once, and it will follow you to your other devices. Nothing uploads without your say-so.
Continue where you left off
Delete saved progress
Removes every progress row stored for your account on PlainLogic's servers. Your browser's local progress is untouched. This can't be undone.
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We couldn't reach the sign-in service. Everything on PlainLogic still works without an account — your progress keeps saving in this browser as usual. Try again later.