8. Progression & Meta-progression ✅
The merit / upgrade ladder (Galaga) plus the roguelite meta layer — what unlocks across runs and how.
❝ QUOTE — From cb-game-design-campaign-structure
Core game design structure for the CATBLASTER mobile game — campaign system, content cadence, and MVP scope. Campaign = an artist's album; 12 missions per campaign; roguelite + Maintenance Mode. Economy: Credits / Ore / Organics / Attention; Heat + Integrity.
Read next: cb-game-design-campaign-structure (the economy, Maintenance Mode, the core loop) · the streaming Library (cb-in-game-streaming-platform ✅) — songs unlock by starting their mission.
⚠ WARNING — AWAITING — needs a table
The explicit unlock table (run currency → Maintenance investment → what unlocks) is ⚠️ thin; buildable from the campaign-structure canon once the numbers are set.