Species

1. Human: You are an ordinary human; Obtained by going into the Antipodal Painting and choosing The Essence Of Purity.

2. Bear: This adventurer is a huge, chubby and very furry bear; Obtained by working at the Fur and Feather Bar until you become friends with Grizz.

3. Mouse: You are a scrawny little mouse; Obtained by gambling without chips with Ace.

4. Dog: You are a furry, eager dog; Obtained by working for Mikhail for a while or by forming a high enough connection with Vicious.

5. Gargoyle: You are a tall, winged stone gargoyle; Obtained by examining the gargoyles at the churchyard.

6. Teddy Bear: You are a soft small living teddy bear; Obtained by going to the Two Feathers Inn: Bedroom and choosing the A Strange Teddy Bear option.

7. Fursuit: You are a living blue fox fursuit, made of fabric; Obtained by going to the Dormaus Marketplace and choosing the Fursuit Store option.

8. Fox: You are a furry orange fox with a bushy tail; Obtained by working for Flute and then accepting his final offer (includes TG) or by trying on a fox costume at the costume shop.

9. Pig: You are a big chubby pink pig; Obtained by working in the pigpen at the Morgan farm.

10. Horse: You are a tall and muscular horse; Obtained by becoming Turner's friend while being male.

11. Slime: You are a slimy slug creature made of goo; Obtained by having a Digger's Permit, traveling to the caverns east of Turner's House, and selecting Mysterious Slime?

12. Naga: You are a powerful naga, with a snake for a lower body; Obtained by having a Digger's Permit, traveling to the caverns east of Turner's House, and selecting A Serpentine Treasure...

13. Illithid: You are a monstrous tentacled illithid; Obtained in the caverns (see above), digging twice, and selecting Dark Water.

14. Lion: You are a sleek, golden lion; Obtained by entering the Hue Upon Stone art shop and selecting either Scent of a Prince (requires submissiveness, may also include TG) or A Very Cute Lion (requires dominance). Your Inventory description varies with this choice.

15. Imp: You are a short pudgy imp; Obtained by entering the Antipodal Painting in the art store and selecting Corruption of Fire.

16. Crystal Lizard Drone: You are a lizard-shaped, faceless crystal drone; Obtained in the caves by digging once and selecting Living Crystal.

17. Wolf: You are a mighty, proud wolf; Obtained by completing Bonacieux's quest, or by entering the Grease Pit and selecting The Grease Wolves.

18. Skunk: You are a skunk with a big black striped tail; Obtained by entering the Scent Store in the Streets of Dormaus.

19. Black Cat: You are a lithe, magical black cat ; Obtained after working in Saberhagen's bakery and having a Saberhagen Connection greater than 0.

20. Dwarf: You are a short muscular dwarf with a thick mustache; Obtained by investigating A Loud Party Underground in the Fur and Feather Bar.

21. Gorilla: You are a muscullar gorilla, with long hairy arms and tough grey skin; Obtained by selecting Rooftop Carpentry in the Alleyway.

22. Drider: You are a drider, a sinister creature with a huge spider for a lower half; Obtained in the caves after digging three times and selecting The Drider's Web.

23. Half-Wyvern: You are a half-wyvern, a humanoid creature with scaly skin and huge, bat-like wing arms; Obtained by selecting A Wyvern's Needs on the Windy Path.

24. Otter: You are a cute furry otter with a lithe and slender body; Obtained by going to the Otterton Dock and completing the fishing training with Robbie or by helping him with deliveries beside the river.

25. Seal: You are a chubby seal with a round belly and smooth grey skin; Obtained at the Otterton dock by selecting A Ship Entering Port.

26. Fruitbat: You are a cute little fruitbat with a leaf-shaped nose; Obtained by interacting with the Cliffside Bats at WItch's Peak Bluff.

27. Fishman: You are a fishlike creature, with webbed feet and smooth slipery skin; Obtained in Otterton by selecting Otters Need Fish.

28. Raccoon: You are a scruffy, short and dirty raccoon, with long and dexterous paws; Obtained by befriending Jack, visiting his hideout, and training with him or interacting with him during the Festival.

29. You are a soft small rabbit, with strong legs and long, fuzzy paws; Obtained by ?

30. Frog: You are a chubby frog with long green legs and a smooth slippery belly; Obtained by mudlarking after escaping the Makarna Harem.

31. Cow: You are a cow with a spotted black and white flank and large thick horns; Obtained by working at a farm after escaping the Makarna Harem.

32. Rubber Tiger: You are a squeaky ruber tiger with painted stripes; Obtained by selecting Tiger Training at the Makarna guard tower.

33. Ram: You are a wooly sheep with a thick curly fur and cloven hooves; Obtained by helping round up sheep in the Scrubby Farmland.

34. Pine Marten: You are a slinky, thin pine marten with a long, fuzzy tail; Obtained by engaging in A Spot of Banditry Down the Valley.

35. Rat: You are a scrawny rat with a long pink tail; Obtained by offering A Short Reprieve in Otterton.

36. Orc: You are a mighty orc, a green-skinned warrior with huge tusks; Obtained by Hunting Goblins at Witch's Peak Bluff, or by speaking to A Gang of Orcs at the Grease Pit.

37. Flying Squirrel: You are a short and fuzzy flying squirrel; Obtained by Climbing Into the Trees in the Eastwoods.

38. Donkey: You are a donkey, with long ears and cute, scruffy fur; Obtained by going to the Fountain Plaza and going to the Donkey Hypnotist twice.

39. Horse Satyr: You are a horse-satyr, with your lower body transformed into the two legs of an anthro horse; Obtained by working in the stables at the Morgan farm.

40. Crystal Rabbit: You are a strange purple rabbit made of flickering light, with a crystal replacing your crotch; Obtained in the caves by digging once and selecting An Unusual Crystal.

41. Hellhound: You are a monstrous red-furred hellhound; Obtained by purchasing a Useless Raccoon from Mikhail, entering the Antipodal Painting in the art store, and entering the Crevasse.

42. Gnoll: You are a smelly and brutish gnoll; Obtained by taking A Risky Nap at the Underground Pool inside the Antipodal Painting.

43. Arctic Fox: You are an elegant arctic fox with beautiful white fur; Obtained in the Hornloft Prison by joining the Arctic Gang (requires dominance and being female).

44. Ermine: You are a twitchy short and thin ermine, with a long white body; Obtained in the Hornloft Prison by joining the Arctic Gang (requires submissiveness).

45. Polar Bear: You are a massive, powerful polar bear, with a huge belly; Obtained in the Hornloft Prison by joining the Arctic Gang (requires dominance and being male).

46. Panther: You are a tall black panther, with a long and slender tail; Obtained by forging a relationship with Alder, and meeting him in the Two Feathers Inn: Bedroom.

47. Rubber Panther: You are a squeaky rubber panther with a long and shiny tail; Obtained by selecting Goofy Grin at the Costume Shop.

48. Rhinoceros: You are a massive grey rhinocerous with huge muscles and a heavy horn; Obtained by Helping Flute Gather Wood in the Backstreets.

49. Badger: You are a stocky, fuzzy badger with striped fur and a portly round belly; Obtained at the Costume Shop by selecting Help Making Masks.

50. Piñata: You are a living piñata, a horselike being with paper strips for fur; Obtained by helping to decorate the Fur and Feather Bar.

51. Reindeer: You are a large shaggy reindeer, with powerful branching antlers; Obtained by bonding with Kristoph in the North.

52. Lizard Person: You are a smooth, scaly lizard creature with a long, powerful tail; Obtained by Loading Cargo or by entering The Hookah Lounge in Makarna.

53. Chimera: You are a mixed up chimera creature with various mismatched body parts; Obtained by selling all of your body parts in the Makarna Body Shop and asking to be repaid.

54. Lion Golem: You are a gleaming golden golem, a metal lion made from solid metal with bejeweled eyes; Obtained in the Rob the Moneychanger mission by freeing the lion and successfully resisting your captors twice.

55. Royal Boar: You are a royal boar, a rare breed of soft-furred boar with fluffy paws; Obtained by Requesting Healing after giving King Gareth a Witch Lotus in the Underground Ruins.

56. Servant Jackal:  Somewhere underground, a former adventurer has become a minion for an ancient jackal evil; Obtained by failing to defeat the Jackal (Ace’s Quest).

57. Accursed: You are now a resident of the catacomb, lumbering through the darkness feasting on smaller prey and adventurers who dare think they’re superior; Obtained by failing the Accursed Beast Option without any of Bonacieux Supplies.

58. Mighty Dragon: You are a mighty dragon, surging with power unlike anything you felt before with a massive muscular body to match; Obtained by selecting 'Art demonstration' at the 'Hue Upon Stone Art Store' at Dormaus village.

59. Toilet: This toilet is covered in stains and is clearly well-used, but very rarely cleaned.; Obtained by having the piss curse and "helping out" at the The Grease Pit

60. Mole: You are a stocky mole, with muscular arms built for mining but also possessing a soft rotund belly. Obtained entering the quest "Hue Upon Stone Art Store", entering "Antipodal Painting", proceeding your way through the "Crack in the Wall", "East Out the Crevasse", "East to the Cavern Entrance" and picking up "The Abandoned Pickaxe"

61. Rubber Drone Cow: ''This adventurer is a rubber drone in the shape of a small anthro cow. Despite any gender they may have, they can be seen mindlessly rubbing a bulge in between their legs.'' Obtained entering the quest "Hue Upon Stone Art Store", entering "Antipodal Painting", proceeding your way through the "Crack in the Wall", "East Out the Crevasse", "East to the Cavern Entrance" "East to the Outside" then heading "East Towards the Farmland" and looking at "The Bell"

62. Boar: ''You are a large boar with dark brown fur and large white tusks. Your extremely fat belly jiggles a bit as they walk, and you always appear to be hungry.'' Obtained entering the quest "Hue Upon Stone Art Store", entering "Antipodal Painting", proceeding your way through the "Crack in the Wall", "East Out the Crevasse", "East to the Cavern Entrance" "East to the Outside" then heading "East Towards the Farmland" and having a scoop of "Pig’s-Berry Jam"

63. Satyr: ''A skinny and hairy Satyr, with goat legs and two small horns on their head. They are likely to be seen drunk and partying more often than not.'' Obtained by entering the quest "Hue Upon Stone Art Store", entering "Antipodal Painting", proceeding your way through the "Crack in the Wall", "East Out the Crevasse", "East to the Outside" and partaking in "A Fey Night" and meeting your host Nysus

64. Deer: ''You are a noble and agile deer, a large, snow-white stag with big antlers and powerful legs. They seem to exude a feeling of masculinity and power except when scared.'' Obtained via Hue Upon Stone Art Store: Quest "Antipodal Painting", proceeding your way through the "Crack in the Wall", "East Out the Crevasse" and partaking in "The Great Hunt".

66. Kitsune: You are a magnificent and mystical white-furred kitsune. Obtained by interacting with the "Stone Guardian Statues" in the Northern Plains.

Unknown TFs
At some point, it was apparently possible to become a Latex Skunk Drone.