Full list of all 50 Viva Piñata achievements worth 1,000 gamerscore. It takes around 40-50 hours to unlock all of the achievements on Xbox 360.
Played the game for 50 hours (real time)
Full bonus growth for 25 plants
Full bonus growth for 5 plants
Become Master Romancer for 20 species
Player has reached Level 50
Made 50 species resident
Evolved 8 species
Player has been brought a Romance Sweet by a Macaracoon
Player has distracted Dastardos with the Crowla
Player has used the Mallowolf to scare off Ruffians
Player has attained full bonus growth for a plant using the Cocoadile tears
One Piñata worth 10,000 chocolate coins
Player has healed a Piñata with the Chewnicorn's power
Successfully completed 20 Factory requests
Garden worth 100,000 chocolate coins
Become Master Romancer for 5 species
Cross romancing a Swanana and a Rashberry
Player has 100,000 chocolate coins
Grown 25 plants to maturity
Tower of Sour has 6 pieces
All the Watering Can upgrades
All the Shovel Handle upgrades
Made 20 variant Piñatas
Player has distracted Dastardos with the Sherbat
Employed a Diggerling
One Piñata worth 5,000 chocolate coins
Evolved 2 species
Player has hatched an egg using the Cluckles
Garden size at maximum
Player turned the Beggar into a Trader
Played the game for 10 hours (real time)
Made 5 variant Piñatas
Player has made fertilizer with the Taffly
Successfully completed 5 Factory requests
Player has 25,000 chocolate coins
Employed a Watchling
Employed a Weedling
Employed a Sprinkling
Garden worth 25,000 chocolate coins
All the Shovel Head upgrades
Tower of Sour has 2 pieces
Collected produce from a Buzzlegum, Moozipan or Goobaa
Named a Helper
Employed a Gatherling
Garden size increased once
Player has reached Level 10
Made a Custom Label
Made 5 species resident
Grown 5 plants to maturity
Named a Piñata