"Evoltile", known as "Evoldo" (エヴォルド Evorudo) in the OCG is an "Evol" sub-archetype consisting of FIRE Reptile-Type monsters whose effects support "Evolsaurs". They are the first stage in evolution where they will evolve into Dinosaur-Type "Evolsaurs".
Their play style, gears towards the Special Summoning of the "Evolsaur" monsters.
Their English names are a combination of evolution and reptile.
- Their tails resemble a DNA strand.
- The pictures of all "Evoltiles" have what appears to be an ancient language.
- Their pictures have some sort of molecule in the background.
- Their pictures also have a depiction of the "Evolution" of man in the lower right corner.