The economy is intentionally simpler than vanilla MM2 (no trading, no rarity tiers). Keys unlock monster skins, abilities, and equipment in the shop.
Keys are spent in the shop for monster skins, abilities, and equipment.
Coins are awarded per round for survival and pickups, preserving the MM2 vanilla coin loop.
Nights is a tiered progression system that rewards longer survivals across rounds.
Revives may cost resources and are documented as a defensive utility for the team.
Keep entries useful by separating source-backed facts, player-tested strategy, and update timing.
Keep rarity, obtain method, abilities, and summary tied to official posts or repeatable in-game testing.
Link keys entries to matching builds, boss routes, and guide sections.
Keep tier values and obtain methods current after each game update.