A Cat is For Life... is an achievement that requires the player to talk to a civilian in West Ardougne about selling a cat while having a non-kitten cat in the inventory. Civilians are located in the north-western area inside West Ardougne. The cat does not need to be sold to complete this achievement.
Using a cat on the civilian will result in the cat being sold, while also completing the achievement.
Cats that can be used for this achievement are:
- Purple cat
- Hellcat
- Fully grown cat
- Overgrown cat
- Wily cat
- Lazy cats