Explore all 69 sandbox lessons directly in the app with interactive circuits, diagrams and animations. After signing in and verifying course access, bundled lessons can be used offline. Lesson progress and quiz stars are saved locally for each account. Touch controls have been improved, animations pause in the background, and Reduce Motion is supported. Existing free and PRO course access remains unchanged. Leaderboards connect only when you choose to load or submit scores.

Improved PRO subscription purchases and restoration for more reliable access after payment. The app now rechecks purchases when you sign in or return, with clearer pending-payment messages to help prevent duplicate attempts.

Added 19 expedition music tracks, giving each of the 20 worlds its own background music. Music switches automatically when you enter a different world and continues across stages within the same world.

Updated PRO subscription information with store pricing and auto-renewal details. Fixed expedition progress resetting after returning to Home and improved account-specific save handling and overall stability.

Added a 200-stage expedition mode with 1–6 character squads and auto battles, plus a full equipment inventory, a 40-item codex, details, and four rarity tiers. Also added low-cost periodic Web/App progress sync with offline preservation and conflict reconciliation, and improved skill activation, loading audio, and mobile interactions.

Polished hero-selection animations for all six expedition heroes, fixed frame drift, visual artifacts, and animation transitions, and improved onboarding and expedition stability.

Added 20 expedition worlds and 200 stages, expanded equipment and progression, introduced six-hero parties and onboarding, and improved auto battle, character animations, tutorial guidance, and overall stability.

Added idle expeditions and cooperative expeditions with shared Boss answer voting. Improved answer confirmation, question image zoom, skill trees, safe-area layouts, expedition audio, transitions, and stability.

Added multiplayer PvP race rooms for 2–8 players, per-question time and room capacity settings, and improved arena layout and text readability.

Improved Secret Shop item and featured-card visuals, fixed the shop back button for some entry paths, and refined home screen and tutorial audio details.

Updated launch and onboarding visuals, improved profile and chat experiences, and enhanced overall stability.

Improved launch sequencing, landing and sign-in typography, and target-school reminder notification timing.

Fixed keyboard dismissal issues when editing profile information, improved Google sign-in display, and enhanced overall stability.

Polished study and practice surfaces, profile handling, pet care feedback, and overall app stability.

Improved pet care feedback, profile editing stability, login reliability, and overall app stability.

修正個人化資料輸入時鍵盤閃退問題，改善 Google 登入顯示與整體穩定性。

Fixed a keyboard stability issue in profile editing, improved Google sign-in display, and enhanced overall stability.