Supervolcano is the sixth and last stage in Cherry Isles.
- 1 Cyberhorn spawns after 10 seconds300f.
- Infinite Squire Rels (4,000%) spawn after 0 seconds0f, delay 3.33~10 seconds100f~300f.
- 10 Relic Doges spawn after 30 seconds900f, delay 6.67~10 seconds200f~300f.
- When the base reaches 99% HP:
- 10 Sir Rels spawn after 0 seconds0f, delay 13.33~16.67 seconds400f~500f.
- 3 Corporal Weylands spawn after 0 seconds0f, delay 40 seconds1,200f.
- 8 Oldhorns spawn after 0 seconds0f, delay 8.33~10 seconds250f~300f.
- 4 Oldhorns spawn after 0 seconds0f, delay 16.67~20 seconds500f~600f.
- 1 Oldhorn spawns after 0 seconds0f.
- 1 Squire Rel (100%) spawns as the boss after 0 seconds0f.
One way of beating this stage is to use the Cyberhorn at the beginning to stack Long Distance cats such as Golfer Cat and Awakened Mina to snipe the enemy base and the Corporal Weylands, and/or units that can help in dealing with the Oldhorns like Ultra Delinquent Cat and/or talented Rodeo Cat.