Coop Clash has a 7x7 grid with no paylines. After all, the game does utilise the cluster-paying mechanic (a minimum of 5 matching symbols is necessary), as well as cascades. As soon as you strike a win, the game will remove the triggering icons and let new symbols drop into their place, thus expanding your winning opportunities.
The symbols are as follows:
Star: Scatters:
Bomb, Rabbit: Wild symbols, may also appear as Wild Multiplier,
Eggshell pays up to x7.5;
Green egg pays up to x10;
Tan egg pays up to x12.5;
Purple egg pays up to x15;
Golden egg pays up to x20;
Grey pigeon pays up to x20;
Green hen pays up to x22;
Purple hen pays up to x22;
Orange hen pays up to x30;
Red hen pays up to x50.