honestly, not only one of the biggest packs, but also one of the most quality packs (even if the levels are old), and honestly, i didn't even know you could make different level clear themes in the map, let alone make a custom signpost! wait, i'm getting ahead of myself...
if you have not tried srb2thepast and you're reading this, please check it out! this was definitely worth the wait. 10/10, pico approved!
as someone who got srb2 in 2.2.8, i love old srb2 so much