For this achievement you need to complete the following missions in Town:
- The Baseball Stadium
- Catch the Dog!
- Looking for Rover
- Chasing Dogs
- Canal Race
- A Deserted Place
- Dog Days
- Battle in the Stadium
- King Klong
- Cleaning the Circus
- Singing in the Rocks
- Chuck on TV
- Chased!
- Alien Friendly
- Parking Valet
- Time To Go!
- Stop Grawl!
You can check your progress by selecting "Missions" after you load your game.