Random Adding · guide library
Find your way around the game
Use these guides to set up and play a round, understand results, or follow a supported recovery path. Each guide labels what this local build can do and what to expect next.
Scope: Random Adding. Status labels show which actions this local build supports.
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Journey guides
- Play a solo roundSet up a timed addition sprint as a guest, or practice for an explicitly selected Melirate learner when member access is enabled.Solo play
- Choose round settingsAdjust the number range, optional total cap, and timed-round length before playing.Round setup
- Return and edit your guest nicknameRecognize a returning guest on this browser and change the nickname without starting a second guest profile.Guest profile
- Read your results and replayUnderstand guest device saves and member practice receipts, and choose what to do after a round.Results
- Understand guest data and practice scoresSee what this guest preview keeps on the device, how room results are labeled, and where learning-evidence claims stop.Guest profile
- Sign in and choose a learnerUnderstand the explicit Home handoff and local member practice path, and why the current hosted preview still offers guest play only.Account access
- Create an Open ChallengeMake a private local-review room, share its code or invite link, and let each player start whenever ready.Open Challenge
- Join an Open ChallengeEnter a private local-review room from an invite link or six-character code, then play without waiting for the host.Open Challenge
- Play again and improve an Open Challenge scoreSubmit rounds in an Open Challenge, read the current room comparison, and understand how best-score ranking updates.Open Challenge
- Moderate or end a roomUse host-only controls to remove a participant or close an Open Challenge or Live Race room.Room management
- Recover an offline or unsaved resultKeep guest play available through local storage problems and understand room retries and the member answer journal where configured.Recovery
- Recover an unavailable, expired, or interrupted roomRead room errors, repair an invite when possible, return to solo play, and know when local room state is gone.Recovery
- Review the projected-room flow locallyRehearse the Open Challenge code and QR screen; loopback-only review links cannot be reached from participants' separate devices.Group play
- Host a Live RaceCreate a local-review race room, wait for connected players to be ready, start the shared countdown, then review final standings.Live Race
- Join a Live RaceOpen a local-review race invitation, join the lobby, mark ready, and play after the host starts the shared countdown.Live Race
- Reconnect to a Live RaceReturn to the same race before its shared deadline and restore saved answers without restarting the clock.Live Race
- Leave and return to a Live RaceLeave the countdown or gameplay view while the shared race continues, then return before the deadline if you want to resume.Live Race
- Read group results and rematchDistinguish a personal result from a room placement, wait for Live Race final standings, and use the right rematch action for your role.Results
Screen guides
- Setup: the default roundThe start screen shows two editable addend caps, an optional total, a one-minute duration, and two ways to continue.Round setup
- Setup: two or three addendsAdd a third editable maximum or remove it while keeping the equation preview readable.Round setup
- Setup: optional total capSet a nonnegative whole-number limit for the sum, or leave the field blank for No limit.Round setup
- Setup: a small problem poolA small set of possible problems is allowed and gets a brief note so repeated questions are expected.Round setup
- Setup: duration wheelsChoose a round length with the minutes and seconds controls, including keyboard alternatives.Round setup
- Setup: narrow-screen layoutUse the setup screen on a narrow viewport and scroll when the secondary action falls below the visible area.Accessibility
- Gameplay: active roundThe active screen keeps the question, answer entry, timer, score, streak, and best visible together.Solo play
- Gameplay: keypad on a short screenUse the complete three-column keypad and submit control on a short mobile viewport.Accessibility
- Gameplay: correct, wrong, and empty answersSee how submissions affect the score, streak, and next question.Solo play
- Gameplay: timer expiry and background tabUnderstand the fixed deadline when the timer reaches zero or the browser tab is hidden.Recovery
- Results: outcome headlineThe results headline changes with the score history for these exact settings.Results
- Results: metrics and local saveCheck the correct count, accuracy, longest streak, best score, and truthful device-save state.Results
- Results: secondary achievement badgeA qualifying round may show one secondary badge below the main result.Results
- Results: next actionsChoose Play again, Challenge friends, or Change settings from the result screen.Results
- Guest profile: first nicknameOn the first Play or Challenge action, enter a nickname to continue as a guest.Guest profile
- Guest profile: returning identityA returning guest sees their local nickname and can edit it without a new nickname prompt.Guest profile
- Rooms: choose a modeChoose Open Challenge for independent play or Live Race for a shared start, or join using a room code.Group play
- Open Challenge: invitationAfter room creation, copy its code or link or display the QR for the private room.Open Challenge
- Open Challenge: empty roomThe host can start their own Open Challenge attempt before any other participant joins.Open Challenge
- Open Challenge: join by link or codeA direct invite opens the exact room; a manual join uses its six-character code.Open Challenge
- Open Challenge: invalid or expired roomUse the friendly room error to check the invite, return to the chooser, or continue with solo play.Recovery
- Open Challenge: standings and lifecycleRead best accepted scores, shared-place ties, room status, and host-only end controls.Open Challenge
- Open Challenge: result contextRead an accepted result's current room placement, tie/lead context, or gap to the leader.Results
- Open Challenge: result sync statesDistinguish a local pending result, a local-review receipt, and a rejected upload.Recovery
- Live Race: ready lobbyCheck who has joined, mark ready or undo readiness, and wait for the host to start.Live Race
- Live Race: countdownThe host starts a shared 3–2–1 countdown against the room's start timestamp.Live Race
- Live Race: active player and late spectatorActive players receive the same question sequence and deadline; late joiners spectate this race.Live Race
- Live Race: provisional resultRead your personal result while the room is still collecting or finalizing race submissions.Results
- Live Race: final standingsRead final places, podium treatment, scores, and no-submission states after the race is finalized.Results
- Live Race: host ends a raceAn explicit host command cancels an active race and leaves a clear ended-early state.Live Race
- Live Race: host rematchAfter final standings, the host can start a fresh-seed race in the same room.Live Race
- Live Race: host disconnectA host disconnect does not stop a race already in progress; rematch waits until the host returns.Recovery
- Live Race: request a rematchA non-host can request a rematch after final standings but cannot start it.Live Race
- Group room: local projection viewReview the local Open Challenge code, QR, roster, and current best scores; external devices cannot join this loopback-only preview.Group play
- Group play: loading or unavailableIf the room service cannot be reached, use the recovery path and keep solo play available.Recovery
- Group play: local review noticeThe room screens identify the local review environment and limit claims about hosted availability.Availability
- Accessibility: touch and responsive controlsUse the reviewed mobile controls and keyboard alternatives across setup and gameplay.Accessibility
Availability guides
- Account access: sign-in statusThe current hosted preview reports sign-in unavailable; a member-enabled build starts an explicit Home handoff only after its backend check succeeds.Account access
- Account access: choose an authorized learnerHome returns the verified account and learner choices; current canonical answer sync is supported for the self learner only.Account access
- Account access: member answers and Activity receiptsMember play runs locally and syncs finished answer batches; only confirmed receipts link to canonical Activity.Account access
- Account access: selected learner and profile switchingMember sync stays with its original verified self learner, separately from the browser-local guest profile.Account access
- Account access: guest separation and sign-outGuest-to-member is an explicit sign-in and learner-choice path; guest scores are never imported, and sign-out revokes the Random Adding session.Account access
- Account access: member sync and recovery statesAn enabled member flow reports Saving, Saved, Retry, and attention states truthfully; only canonical receipts confirm Activity records.Account access
- Account access: earlier practice savesThe Practice history screen lists earlier summary-only saves; new answer records are in Activity and are not deleted here.Account access
- Availability: hosted rooms unavailableThis app contains local-review room behavior, but hosted persistence, distributed realtime, and public invitations are not configured.Availability