The last stretch before 1.0.6 was about two things: making the game read better (which chapter am I in, what can I upgrade, which intro am I skipping) and tuning difficulty after two more full playthroughs.

Chapters now have a look

The title screen wears the biome of the chapter you're in (the last castle played): sky, parallax strips, grass and dirt are recoloured exactly like in-game.

The castle map does the same on its background, and the colours change as you turn the page between chapters.

The workshop and shop follow the last castle's chapter too, so the whole menu flow feels like one world.

Clearer feedback

The red alert dots that signal an available upgrade now blink harder (stronger pulse plus an alpha flash), so they're much harder to miss.

The blink also works in the pause and level-complete menus, not just on the main screens.

The level intro (title + castle shot) is back on NEXT and when opening a castle. Only RESTART skips it.

Level design

New castle layouts for 1-1 to 2-12, with stone/metal mixes and more ballistas in chapter 2, followed by a chapter 3 rework and tweaks to the 2-x castles.

Chapters 2 and 3 reordered by playtest difficulty, so the curve climbs more smoothly.

Last-minute castle edits: BrimstoneKeep has fewer soldiers and more TNT; ObsidianTower moves from wood to metal.

Goals rebalanced

Each level has its own DESTRUCTION goal, following a sawtooth pattern inside each chapter, and each castle has its own shot goal.

On the replay, every chapter 1 castle still fell in one or two shots, so the goal went up from 55–68% to 60–73%, with a further per-chapter bump by castle position. The middle of chapter 1 (1-5 to 1-10) asks for +5 because it still fell to one shot.

After the second playthrough, the shot goals came down where they were too strict. For example, 2-11 (FrostTowers) went from 5 to 3.

Notes

Nothing here changes the core loop. 1.0.6 is mostly polish and balance on top of the systems introduced earlier in the cycle (unlimited slabs, the shots star, the DESTRUCTION meter).