Achievements
Complete each achievement to get the allotted gamerscore:
1,000 Cookies (40) - Obtain 1,000 Cookies.
10 Cousins (5) - Find 10 Cousins.
10 Presents (5) - Collect 10 Presents.
100 Cookies (5) - Obtain 100 Cookies.
20 Cousins (10) - Find 20 Cousins.
20 Presents (10) - Collect 20 Presents.
30 Cousins (20) - Find 30 Cousins.
30 Presents (20) - Collect 30 Presents.
40 Cousins (40) - Find 40 Cousins.
All Cousins (80) - Download stages and find all Cousins.
All Presents (80) - Download stages and collect all Presents.
All Requests (60) - Complete all Requests.
Astronomic Katamari (90) - Download stages and make a katamari over 1,500,000km.
Big Katamari (10) - Make a katamari that's 30m or more!
Collection 20% (5) - Roll up 20% of the Collection.
Collection 40% (10) - Roll up 40% of the Collection.
Collection 60% (20) - Roll up 60% of the Collection.
Collection 80% (40) - Roll up 80% of the Collection.
Colossal Katamari (60) - Make a katamari that's 10,000km or more!
Frequent Online Roller (10) - Play online 10 times.
Jumbo Katamari (20) - Make a katamari that's 500m or more!
Manic Roller (20) - Hint: Running into walls will destroy your katamari.
Mini Katamari (5) - Make a katamari that's 30cm or more!
Non-stop Roller (30) - Hint: Roll through the course without stopping once.
Online Roller (5) - Play online.
Quick Turner (10) - Hint: Use Quick Turn to your advantage.
Request x 3 (5) - Complete 3 Requests.
Request x 6 (5) - Complete 6 Requests.
Request x 9 (20) - Complete 9 Requests.
Resident Online Roller (40) - Play online 50 times.
Responsible Roller (30) - Hint: Roll through the course without bumping into any objects.
Small Katamari (5) - Make a katamari that's 1m or more!
Sorta Big Katamari (5) - Make a katamari that's 5m or more!
Speedy Roller (10) - Hint: Zip through the course with Dash.
Unlock Endless Mode
Get 100 points on any level to unlock endless mode for it. Now you can just roll around (there's no time limit or goal).
Unlock Formal Outfit
To unlock the Formal Outfit present, collect 100% of the items. On most cousins it resembles the King's clothes.
Snowball Fight
Gather all cousins and bring them to the snowy island. Release them and press [A] to make a snowball. Throw it with [A] at a cousin, then dodge when they retaliate. If the snowball hits another cousin, they will also try to hit you. If you keep dodging, they will keep throwing snowballs until either you are hit or nobody is hit.