7 Monkeys is very similar to 7 Piggies, both from Pragmatic Play, albeit with some small differences in the features and payouts. Both games have excellent big symbols - very nice to look at and comfortable to the eyes too - and the symbols are all stacked, so you'd be seeing lots and lots of same symbols appearing on the reels. But of course, getting lots of same symbols does not necessarily mean getting good wins, simply because the win values of all the symbols are very low indeed, except for the Wild symbol, which pays a decent 214x total bet for getting 5 of them. All Wild symbols would theoretically pay 1500x the total bet, but getting that would be another story, if possible at all in the first place.
My past plays on 7 Piggies turned from fairly good to bad, and I got the same experience on this 7 Monkeys game too. It seems that most, if not all, of Pragmatic Play games tend to play better in the early stages, then turning sour as you play more and more of it. So, to overcome this, or rather to avoid getting caught up with this, I would always play these games for a short time only, probably over not more than 5 sessions or so, and then I'd forget about them! Hahaha.