Questions and answers
Short answers; where there is more to say, a link leads to the matching guide.
What does PlayCascade cost?
Nothing. The 6×6 board, two AI levels, two-player mode and the Galaxy theme are free and ad-free. Pro is a one-time in-app purchase for the Hard and Expert AI, the 8×8 and 8×10 boards and all themes – no subscription. Learn more →
When does a cell burst?
When it holds as many marbles as it has neighbours: corner 2, edge 3, centre 4. One marble then moves into each neighbour and converts it. Guides: Rules →
Where do I start?
In a corner. It needs only two marbles to burst and can be attacked from just two sides. Guides: Opening Moves →
Why do I lose while ahead?
Because nearly full cells are stored energy. Whoever fires them first collects everything around them – whatever the marble count says. Guides: Strategy Tips →
How strong is the Expert?
A search several moves deep with deliberate variation. Very strong tactically, beatable with long, quiet plans. Guides: Beat the AI →
What does Kaskade mean?
It is the German name of the chain-reaction game: one overflow triggers the next until the board settles. Guides: Kaskade →
How long is a game?
A few minutes on 6×6; up to twenty on 8×10 between two experienced players. Guides: Game Length →
Can two people play without internet?
Yes – taking turns on one iPhone, with no account and no connection. Guides: Two-Player Games on One iPhone →
Does it work in airplane mode?
Entirely. AI, two-player mode and statistics run on the device; only the Pro purchase needs the App Store. Guides: Offline Strategy Games →
Is it suitable for children?
From about seven: one rule, no chat, no ads, no in-game currency. Guides: Kids & Families →
How fast can I learn it?
The tutorial plus one game against the Easy AI – about five minutes together. Guides: Learn in 5 Minutes →
Which board should I pick?
6×6 to learn and for quick rounds, 8×8 for real openings, 8×10 for long chain-building. Guides: Board Sizes →
Is it like Othello?
Related, but faster: in Othello a move flips a line; in Chain Reaction it can flip half the board. Guides: Games Like Othello →
Which devices and languages?
iPhone with iOS 18 or later. The app follows the device language.
New iPhone – is Pro gone?
No. Tap "Restore purchases" in the app settings; the purchase is tied to your Apple ID.