Unlockable Characters
| Unlockable | How to Unlock |
|---|---|
| Commander Video | Complete the warp zone in Chapter 1 level 12 |
| Meat Ninja | Get 100% in the game. This includes Cotton Alley after defeating the game the first time. |
| Flywrench | Complete the warp zone in Chapter 4 level 18 |
| Jill | Complete the warp zone in Chapter 2 level 8 |
| Ogmo | Complete the warp zone in Chapter 3 level 16 |
| The Kid | Complete the warp zone in Chapter 5 level 7 |
| Unlock 4 Bit Meat Boy | Collect 60 bandages. |
| Unlock 4 Color Meat Boy | Collect 80 bandages. |
| Unlock 8 Bit Meat Boy | Collect 40 bandages. |
| Unlock Captain Viridian | Collect 90 bandages. |
| Unlock Goo | Collect 10 bandages. |
| Unlock Josef | Collect 30 bandages. |
| Unlock Mr.Minecraft | Collect 100 bandages. |
| Unlock Naija | Collect 50 bandages. |
| Unlock Runman | Collect 70 bandages. |
| Unlock the Headcrab | Collect 10 bandages. |
Steam Achievements
| Achievement | Description |
|---|---|
| &*>?1$ | Complete Level -2 |
| (=+66&1$ | Complete Level -3 |
| *|-0&&{}~5& | Complete Level -5 |
| Accidental Arsonist | Unlock Mr. Minecraft (100 bandages) |
| Blood Clot Boy | Complete the Hospital Dark World without dying |
| Brimstone Boy | Complete World 4 without dying |
| Congratulations you have OCD! | A+ every single level |
| Dead Boy | Complete The End without dying |
| Demon Boy | Complete the Hell Dark World without dying |
| Dr.Fetus Boy | Complete the End Dark World without dying |
| Girl Boy | Complete Cotton Alley without dying |
| Golden God | 100% the game |
| I Have Crabs! | Unlock Head Crab (10 bandages) |
| I Smell something Fishy... | Unlock Naija (50 bandages) |
| Impossible Boy | Complete the Cotton Alley Dark World without dying |
| Living in the past | Complete 5 retro Warp Zones |
| Maggot Boy | Complete World 5 without dying |
| Metal Head | Unlock Josef (30 bandages) |
| Missile Boy | Complete the Salt Factory Dark World without dying |
| MS PAINT RULZ! | Unlock RunMan (70 bandages) |
| N#7*<1!23 | Complete Level -1 |
| N&8^2^%$1`` | Complete Level -6 |
| Needle Boy | Complete World 2 without dying |
| Nostalgia | Complete 1 retro Warp Zone |
| Old School | Complete 10 retro Warp Zones |
| Retro Rampage | Complete all 20 retro Warp Zones |
| Salt Boy | Complete World 3 without dying |
| Seneca Falls | Beat the dark world Cotton Alley |
| Squirrel Boy | Complete the Forest Dark World without dying |
| Suffragette | Beat the light world Cotton Alley |
| The Bootlicker | Unlock Jill |
| The Commander | Unlock Commander Video |
| The End | Beat the light world |
| The Fly Guy | Unlock Flywrench |
| The Jump Man | Unlock Ogmo |
| The Kid | Unlock The Kid |
| The Real End | Beat the dark world |
| Vx6 | Unlock Captain Viridian (90 bandages) |
| Well look at you | Unlock Tofu Boy (via a cheat code) |
| Wood Boy | Complete World 1 without dying |
| Zombie Boy | Complete the Rapture Dark World without dying |
| ^**5%_=+12 | Complete Level -4 |
