After a day of post-launch bugifixing, all the currently known bugs are fixed. Here are the patch notes for the game over today:
Fixed a bug with all levels after level 1 not working
Fixed the achievement for simple and advanced difficulty completion
Fixed a bug with the level details screen not showing the correct difficulty stats
Fixed a bug where the level number on the details screen was incorrect
Fixed a bug where progression in simple and advanced were linked
Other Minor Fixes
These changes did require a small reset to save files. We are sorry for any inconvenience this caused.
-Endless Abyss Games