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› Soroba
The soroban is an abacus developed in Japan. It is derived from the ancient Chinese suanpan, imported to Japan in the 14th century. Like the suanpan, the soroban is still used today, despite the proliferation of practical and affordable pocket electronic calculators.
Explore the dungeon, defeat monsters, and collect treasure.
Your score is based on exploration, kills, loot, speed, and HP remaining.
One attempt per day — make it count!