| # | Unlocked | Locked | Name | Beschreibung | Spieler | Global |
|---|---|---|---|---|---|---|
| 1 |
|
| A Sizeable Victory! | Unlock all the main levels of Sizeable. | 8 | 59.2% |
| 2 |
|
| The 5 Wonders of Sizeable! | Unlock all Wonders of the World levels! | 6 | 54.7% |
| 3 |
|
| Shellebration! | Find every tortoise and unlock the secret levels. | 6 | 46.3% |
| 4 |
|
| All Done! | Unlock every normal level in Sizeable! | 4 | 40.7% |
| 5 |
|
| From The Beginning! | 5 | 40.6% | |
| 6 |
|
| Cheshire | Find the Cheshire cat! | 5 | 34.9% |
| 7 |
|
| Hole In One! | 5 | 32.1% | |
| 8 |
|
| Welcome To The Jungle! | 5 | 31% | |
| 9 |
|
| Aquaduct to Rome! | 4 | 29.6% | |
| 10 |
|
| TMNP! | Find every hidden Ninja Pippin in the Sewers level! | 4 | 29.1% |
| 11 |
|
| Prrreciousss! | It's mine, my own! | 6 | 20% |
| 12 |
|
| <3 | Find the special Valentines level! | 6 | 20% |
| 13 |
|
| Ho Ho Ho! | Find the special christmas level! | 7 | 19.7% |
| 14 |
|
| Happy Easter! | Find the special Easter level! | 5 | 19.6% |
| 15 |
|
| Cabin Fever! | Find the special halloween level! | 6 | 18.4% |
| 16 |
|
| Eggcelent! | Crack open all 17 eggs in the Easter level! | 5 | 17.2% |
| 17 |
|
| Faster than Ero?! | Reset your game and unlock all Sizeable's normal levels in 40min or less! One sitting, but no tortoises or secrets needed! | 3 | 7.3% |