Special Stages · Stage 5Commemorating... what?何かの記念メダル!?Data updated: 2026-07-2460Energy Cost5,358XP Reward60,000Enemy Base HP4,000Stage Length10Max Enemies3.1Difficulty Build a lineup for this stage Test your team vs this stageStage rewards100% — はてなボックス ×1 · first clear70% — はてなボックス ×1Enemy spawns (10)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesThe Face100%13.3s—100%BossHippoe200%16.7s—100%—Metal Hippoe100%113.3s—100%—Hippoe200%126.7s—100%—Hippoe200%130s—100%—Hippoe200%136.7s—100%—Metal Hippoe100%150s—100%—Metal Hippoe100%153.3s—100%—Hippoe200%∞66.7s20s~40s100%—Ms. Sign100%∞900s900s100%—All Q1. What's in the Box? Quiz stages