For the first letters, try solving the title clue! Thanks to brave test solvers skaldskaparmal and juff, and to artist Jaredd Craig for the Unsplash cover pic.
I'm so glad they landed with you! Definitely some eleventh hour cleanup to get it there, but I do feel like a mini should aim as much as possible for all killer no filler.
Thanks for asking. In video games, things are often ranked into tiers from D (being the worst) to S (being the best). So in the context of this video game surface, I think S for top-tier is valid (but maybe it was too niche a stretch).