Here is something else that I found on the Internet that I think can help you to find the right word to use for your game:
This is taken from
human being - any living or extinct member of the family Hominidae characterized by superior intelligence, articulate speech, and erect carriage
human, homo, man
lumbus, loin - either side of the backbone between the hipbone and the ribs in humans as well as quadrupeds
human beings, human race, humankind, humans, mankind, humanity, world, man - all of the living human inhabitants of the earth;
Homo erectus - extinct species of primitive hominid with upright stature but small brain; "Homo erectus was formerly called Pithecanthropus erectus"
Homo soloensis - extinct primitive hominid of late Pleistocene; Java; formerly Javanthropus
Homo habilis - extinct species of upright East African hominid having some advanced humanlike characteristics
Homo sapiens - the only surviving hominid; species to which modern man belongs; bipedal primate having language and ability to make and use complex tools; brain volume at least 1400 cc
Homo sapiens neanderthalensis, Neandertal, Neandertal man, Neanderthal, Neanderthal man - extinct robust human of Middle Paleolithic in Europe and western Asia
body, organic structure, physical structure - the entire structure of an organism
chassis, bod, human body, material body, physical body, physique, build, anatomy, figure, flesh, frame, shape, soma, form - alternative names for the body of a human being;
human, man, woman, person, mortal,
A member of the human race:
being, body, creature, homo, human, individual, life, man, mortal, party, person, personage, soul.
A four-footed animal.
An animal, esp a mammal, that has all four limbs specialized for walking,having four feet
tetrapod - a vertebrate animal having four feet or legs or leglike appendages
Any of numerous multicellular eukaryotic organisms of the kingdom Metazoa (or Animalia) that ingest food rather than manufacturing it themselves and are usually able to move about during at least part of their life cycle. Sponges, jellyfishes, flatworms, mollusks, arthropods, and vertebrates are animals.
An animal organism other than a human, especially a mammal.
A person who behaves in a bestial or brutish manner.
A human considered with respect to his or her physical nature, as opposed to rational or spiritual nature.
A person having a specified aptitude or set of interests: "that rarest of musical animals, an instrumentalist ......"
Relating to, characteristic of, or derived from an animal or animals, especially when not human: animal cells; animal welfare.
Relating to the physical as distinct from the rational or spiritual nature of people: animal instincts and desires.
1. (Zoology) zoology any living organism characterized by voluntary movement, the possession of cells with noncellulose cell walls and specialized sense organs enabling rapid response to stimuli, and the ingestion of complex organic substances such as plants and other animals.
2. any mammal, esp any mammal except man
3. a brutish person
any member of the kingdom Animalia, comprising multicellular organisms that have a well-defined shape and usu. limited growth, can move voluntarily, actively acquire food and digest it internally, and have sensory and nervous systems that allow them to respond rapidly to stimuli.
any such living thing other than a human being.
a mammal, as opposed to a fish, bird, etc.
the physical or carnal nature of human beings; animality.
an inhuman person; brutish or beastlike person.
Any of a wide variety of multicellular organisms, most of which have a digestive tract, a nervous system, the ability to move voluntarily, and specialized sensory organs for recognizing and responding to their environment. Animals cannot manufacture their own food and must feed on plants, other animals, or other organic matter. Animals are grouped as a separate kingdom in taxonomy.
I guess describing your game figures as:
"multicellular organisms which have a digestive tract and nervous system and who tend to move around while very often feeding on meat and having the ability to make noise"
...is a very correct describtion for both humans and animals but to describe figures in a game, it sounds rather long and complicated - lol :)