Special Stages · Stage 19 Years of Fun!祝！９と１/２周年！！Data updated: 2026-07-249Energy Cost465XP Reward1,000Enemy Base HP4,500Stage Length5Max Enemies1.1Difficulty Build a lineup for this stage Test your team vs this stageStage rewards100% — Cat Food ×20 · first clearEnemy spawns (5)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesFireworks Guys (High-Yield)100%∞0s10s~16.7s100%—Fireworks Guys (Low-Yield)100%∞5s10s~16.7s100%—Doge100%∞6.7s6.7s~33.3s100%—9th Anniversary Birthday Cake100%10s—100%BossMs. Sign100%∞900s900s100%—All Birthday Present! stages