0-No

A math strategy game where every choice grows your score, but any zero inside your total gets deleted. Can you calculate quick enough?

Goal: Reach the highest score possible.
How: Pick 1 of 3 buttons each turn to add that number to your score.
Twist: If your score contains a 0, that digit disappears (e.g., 103 → 13, 120504 → 1254).
Modes: Endless mode + Timed mode.

Three random options per turn create constant decision-making and resource management.
Zero deletion rule adds volatility and long-term planning.
Mode structure:
- Timed: fast decision pressure, short-term optimization
- Endless: long-term planning, risk management

Turn-based tension from a simple rule: "Addition" becomes strategy once digits matter.
Risk vs reward: large gains are tempting but can introduce zeros that erase progress.
Readable mental model: the rule is weird, but easy to understand and immediately testable.