Supervolcano is the sixth and last stage in Cherry Isles.
- Squire Rel spawns every 3.3~10 seconds100~300f.
- Cyberhorn spawns after 10 seconds.
- After 30 seconds, 10 Relic Doges appear, delay between them is 6.7~10 seconds200~300f.
- When the enemy base is attacked, Squire Rel, Sir Rel, Corporal Weyland and a trio of Oldhorns are spawned.
- Sir Rel respawns every 13.3~16.7 seconds400~500f, up to 10 can be seen.
- Corporal Weyland respawns every 40 seconds, up to 3 can be seen.
- The first Oldhorn respawns 7 times after 8.3~10 seconds250~300f each.
- The second Oldhorn respawns 3 times after 16.7~20 seconds500~600f each.
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.