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