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Weekly challenge

Bondline featured this week

One spotlight each week. Bondline, Star Forge, and Worldspin are free to play — this week's game gets center stage. Hunt trophies and climb the board before Monday's next spotlight.

Week of Oct 26 – Nov 1, 2026 · Spellstorm in 6h 48m 39s

Featured this week

Spellstorm in 6h 48m 39s

Collect the table. Balance the bonds. Keep every discovery.

Our free Signature chemistry deckbuilder: build molecules, explore valence, and grow a permanent Periodic Journal.

After Sunday, the spotlight moves on — Bondline stays playable. Signature series games like Bondline and Star Forge are always free.

Play Bondline

Weekly trophy hunt

Collect every trophy before the spotlight moves Monday.

0/10

Sign in with a student account to track trophies across devices.

  • First Bond

    Complete your first Bondline run.

  • Lab Regular

    Clear 25 antes across runs.

  • Chain Reaction

    Hit a 5-reaction streak in one run.

  • Ante Chemist

    Clear all 8 antes in a single run.

  • Perfect Titration

    Win a run without a failed reaction.

  • Master Reaction

    Clear every ante and win the run.

  • Oasis Clear

    Beat your first boss blind.

  • Power Buyer

    Visit the element shop in a run.

  • Valence Streak

    Land 10 successful bonds in one run.

  • Bondline Legend

    Unlock every Bondline trophy.

This week's leaderboard

Best score for Bondline, resets when the next weekly drop goes live.

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Weekly Challenge, Free signature game this week | Lesson Worlds