| Achievement | How to unlock
|
|---|
| A Chilled Breeze (50 points) | Complete the Ice Age Levels.
|
| A Nutty Rival (15 points) | Complete Nuts About Scratte.
|
| A Sticky Situation (15 points) | Complete Grave Danger.
|
| Ace Shooter (15 points) | Complete Flight of the Pterodactyl.
|
| Always follow the Rules! (15 points) | Complete Expect the Unexpected!
|
| Amber Crystal Collector (25 points) | Collect all 16 Amber Crystals.
|
| Baby Proofer (15 points) | Complete Baby Proofing.
|
| Blue Crystal Collector (25 points) | Collect all 16 Blue Crystals.
|
| Cyan Crystal Collector (25 points) | Collect all 16 Cyan Crystals.
|
| Dedicated Collector (90 points) | Collect all 5 sets of 16 crystals.
|
| Diego's Challenge (25 points) | Complete Diego's Challenge in under 45 seconds.
|
| Dino Fighter Pilot (25 points) | Score 700 or more in the Flight of the Pterodactyl Challenge.
|
| Egbert, Shelly and Yoko (15 points) | Complete Egg Roll.
|
| Egg Hunt (15 points) | Complete Lonesome Sloth.
|
| Escape! (15 points) | Complete Run Sid Run!.
|
| Escaping from the Unknown (50 points) | Complete the levels below the Ice.
|
| Final Showdown (15 points) | Complete Skeleton Bridge.
|
| Going Home (90 points) | Complete the Game.
|
| Helping Scratte (15 points) | Complete Scrat's Jungle Jive.
|
| In Love (15 points) | Complete Scrat's Tar Pit Trouble.
|
| Keen Gardener (15 points) | Complete Flower Power.
|
| Meeting Buck (15 points) | Complete Buck to the Rescue.
|
| Momma's Challenge (25 points) | Score 350 or more in the Run Sid Run! Challenge.
|
| Protect the Babies (15 points) | Complete Noisy Nightlife.
|
| Pterodactyl Assault (25 points) | Complete Saving Sid Challenge in under 2 minutes 50 seconds.
|
| Pterosaur Troubles (15 points) | Complete Saving Sid.
|
| Purple Crystal Collector (25 points) | Collect all 16 Purple Crystals.
|
| Pursuit (15 points) | Complete The Pursuit.
|
| Quiet Time (25 points) | Score 700 or more in the Noisy Nightlife Challenge.
|
| Red Crystal Collector (25 points) | Collect all 16 Red Crystals.
|
| Rescue Egbert (25 points) | Complete Egg Roll Challenge 1 in under 40 seconds.
|
| Rescue Operation (15 points) | Complete Root of all Evil.
|
| Rescue Sid (15 points) | Complete Rudy's Revenge.
|
| Rescue Shelly (25 points) | Complete Egg Roll Challenge 2 in under 1 minute 15 seconds.
|
| Rescue Yoko (25 points) | Complete Egg Roll Challenge 3 in under 1 minute 45 seconds.
|
| Rudy's Challenge (25 points) | Score 450 or more in the Rudy's Revenge Challenge.
|
| Scrat's Time Challenge 1 (25 points) | Complete Nuts About Scratte Challenge in under 1 minute.
|
| Scrat's Time Challenge 2 (25 points) | Complete Scrat's Jungle Jive Challenge in under 2 minutes 15 seconds.
|
| Scrat's Time Challenge 3 (25 points) | Complete Scrat's Tar Pit Trouble Challenge in under 2 minutes.
|
| The Development Team (10 points) | View the Credits.
|
| The Early Bird (15 points) | Complete Sid's Early Start.
|