A Bakumatsu puzzle where you stack stone walls, line up and clear rows, and build daiba (gun batteries). Conquer all 10 constructions from the arrival of the Black Ships to Goryokaku, and rise from Ronin to Supreme Commander ─ one-time purchase $3.49
Japanese-style BGM, saved records, no sign-up, on-device, no ads.
Thank you for your purchase. This unique key — please keep it safe.1 key for up to 3 devicesyou can play. On another device, enter this key on the 🔒 screen.
ZB-XXXX-XXXX-XXXXStack the stone wall and clear it by completing tiers (horizontal rows).
From the arrival of the Black Ships to Goryokaku, march the path of Western-style fortress-building.

Seven kinds of stones fall from above.Left/Rightdraw in,Rotateto change direction,Dropto drop all at once.
When a horizontal row (tier) fills with stones, it collapses and vanishes,Score. The more you topple at once, the higher your score. For each fort,Target points, the construction of that battery is complete.
Ten forts in all, from the Black Ships’ arrival to GoryokakuBuild it, drive back the enemy, and toward the achievement of the Restoration. If the stones pile up to the ceiling, the construction restarts. Progress is saved automatically.
Each time you break throughRonin → Trooper → Captain → CommanderPromoted. When you rise in rank,Undo a move count and score multipliers increase, your foundation firms up, and the falling slows. Your appearance changes too.
CPU←→Move,↑Rotate,↓Soft drop,Spacefor hard drop,Zto take back one move.