⌛ Guide

How Long Does a Game of Chain Reaction Take?

Short enough for a coffee, long enough to think. Here is what to expect from a game of Chain Reaction depending on board, opponent and how carefully you count.

Typical durations

These are rough figures from play, not laws. Two cautious players on 8×10 can sit in a standoff for a long time; two reckless ones on 6×6 are done in ninety seconds.

Why games end suddenly

Chain Reaction does not wind down – it detonates. The board fills with nearly-full cells until one of them is touched, and then one cascade decides everything. That is why the move count is a poor predictor: the first twenty moves take ten seconds each, and the twenty-first takes two minutes of counting. See Strategy Tips on tempo.

What makes games longer

• Bigger boards. More corners, longer edges, more room to avoid contact. See Board Sizes.
• Evenly matched players. Both sides avoid loading cells next to each other, so the standoff lasts.
• Step-by-step cascades. PlayCascade can play cascades one overflow at a time. It is great for learning and adds a few seconds per big chain; switch to the faster mode once you can read the board.

What makes games shorter

• The Easy AI: it takes obvious captures and loads cells next to yours, so it usually hands you a cascade early.
• Opening in the centre, which exposes four-sided cells to attack.
• Not counting – the single biggest cause of two-minute losses. Learn in 5 Minutes fixes that.

Fitting it in

A 6×6 game is a queue game or a commute game. 8×10 between two people is an after-dinner game. Auto-save means you can close the app in the middle of either and resume later without losing the position.