Wii Sports Resort doesn't have traditional "levels" in its Swordplay Showdown mode. Instead, it offers three difficulty tiers:
Each tier increases opponent AI aggression, reaction speed, and block/parry frequency. There's no level progression or unlockable stages—just replay the same duel gauntlet at higher difficulty.
Note: Other modes (Archery, Basketball, etc.) have stamp challenges and skill ratings, but Showdown is purely difficulty-based.