Collaboration Stages · Stage 1
Round 1 (Easy)
一回戦 初級
Round 1 (Easy) is a Battle Cats stage in Sophomore Summer. It costs 50 energy and sends 9 enemy spawn lines — led by Hater as the boss — against a 3,000 HP enemy base, and clearing it rewards 7,050 XP.
Data updated: 2026-08-31
50Energy Cost
7,050XP Reward
3,000Enemy Base HP
3,600Stage Length
8Max Enemies
1.1Difficulty
Enemy spawns (9)
| Enemy | Strength | Count | First Spawn | Respawn | Base HP Trigger | Notes |
|---|---|---|---|---|---|---|
 Doge | 100% | 1 | 0s | — | 100% | — |
 Snache | 100% | 1 | 13.3s | — | 100% | — |
| Doge | 100% | 3 | 30s | 3.3s~6.7s | 100% | — |
| Snache | 100% | 3 | 46.7s | 3.3s~6.7s | 100% | — |
| Doge | 100% | ∞ | 60s | 13.3s~20s | 100% | — |
 Those Guys | 100% | 3 | 0s | 6.7s~13.3s | 90% | — |
| Those Guys | 100% | 5 | 0s | 3.3s~6.7s | 90% | — |
 Hater | 2% | 1 | 0s | — | 90% | Boss |
 Ms. Sign | 100% | ∞ | 900s | 900s | 100% | — |