Hugo

Chess needs no introduction. Despite the boom of "blitz" and "bullet", playing games can take a long time and requires a lot of preparation. By contrast, Chess puzzles are fun, satisfying and intellectually challenging. And played often, they will make you a better Chess player. We created Chess Puzzle Blitz to have a free to play chess puzzle game in a competitive format, and it's the only one...

The results make you realize that it's worth trying different combinations because some of them are really great. Pros: Easy, quick and fun Cons: None

Appcues builds great onboarding tools and I've used appcues flows at my prior company and use checklist at my current one. Pros: Very quick to implement (half a day). The UX is clean and the colors are customizable. I integrated directly but explored using segment. Cons: Need to instrument (or have instrumented) the events to progress checklist. But that is to be expected.