Rise of Reptiles

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The Rise of Reptiles is a branch of evolution in the main simulation, introduced on June 23rd, 2020, in the v6.01 update. It becomes available when the player reaches Rank 3 in the Mesozoic Valley, as the Trophy Creature Reptile, as well as the Turtle generator, with additional content becoming available after reaching subsequent ranks. The Rise of Reptiles includes eight modern reptiles and birds and further details the chain of evolution of archosaurs and dinosaurs following the Cretaceous-Paleogene Extinction Event.

Generators and upgrades in this tree are purchased with EntropyEntropy, similar to the Main Tech Tree.

This branch expands on the base game's pre-existing Reptile Generator and the Mesozoic Valley in a similar fashion to the way that the Mammal Kingdom expansion supplements the Mammal Generator, later on in Fall 2020.

Tech Tree

Generators

Reptiles Sub Tree
Turtle	Entropy 35.80 B	"Originally emerging during the middle Jurassic period, turtles are one of the oldest of groups of living reptiles. They are known for their distinctive shells."	Unlocked after Beaks, Shells, and Mesozoic Valley Rank 3	Swimming, Sea Turtle, Slow Speed, Hiding, Box Turtle, Strong Jaws, Snapping Turtle, Long Lifespan, Galapagos Tortoise
Crocodilia	Entropy 61.00 T	"First appearing in the late Cretaceous period, crocodilians are large, predatory, semi-aquatic reptiles. Along with birds, they are the last descendants of the Archosaurs."	Unlocked after Sensitive Hearing and Mesozoic Valley Rank 6	Patient Predator, Saltwater Habitat, Crocodile, Freshwater Habitat, Alligator, Long Snout, Gharial
Lizard	Entropy 3.30 qi	"A mainly carnivorous group of reptiles, the lizards include over 6,000 distinct species and are located on every continent except Antarctica."	Unlocked after Prehensile Tongues and Mesozoic Valley Rank 10	Sticky Fingers, Geckos, Color Changing, Chameleon, Tail Regeneration, Skinks, Sudden Speed, Iguana, Deadly Bite, Komodo Dragon
Snake	Entropy 167.00 qi	"Long, skinny, and limbless, snakes are a family of carnivorous reptiles. They range in size from only a few centimetres to almost 7 metres in length."	Unlocked after Limbless, Mobile Jaws, and Mesozoic Valley Rank 15	Habitat Diversity, Slithering, Colubridae (after purchasing Habitat Diversity and Slithering), Constriction, Python (after purchasing Constriction), Hollow Fangs, Viper (after purchasing Hollow Fangs)
Birds Sub-tree
Galliformes	Entropy 6.67 Sx	"A group of toothless, ground-dwelling birds. Along with Anseriformes, Galliformes are one of only two types of modern birds to date back to (and have survived) the Cretaceous-Paleogene extinction event."	Unlocked after Game Birds, Running, and Mesozoic Valley Rank 23	Wattle, Digging, Turkey (after purchasing Wattle), Chicken (after purchasing Wattle and Digging), Quail (after purchasing Digging), Plumage, Peacock (after purchasing Plumage)
Anseriformes	Entropy 52.00 Sp	"A group of birds uniquely adapted for an aquatic environment. Along with Galliformes, Anseriformes are one of only two types of birds to date back to (and have survived) the Cretaceous-Paleogene extinction event."	Unlocked after Aquatic Adaptation and Mesozoic Valley Rank 28	Dabbling, Ducks (after Dabbling), Geese (after Dabbling), Monogamy, Swan (after Monogamy)
Palaeognathae	Entropy 25.40 Oc	"A group of mostly-flightless birds. They are notable for their pseudo-reptilian palate, proportionately small brains, and for the tendency for male birds to incubate their species' eggs."	Unlocked after Flightless and Mesozoic Valley Rank 33	Scent Acuity, Kiwi (after Scent Acuity), Kick, Ostrich (after Kick), Thirst Management, Emu (after Thirst Management)
Neoaves	Entropy 8.35 No	"Almost 95% of all known species of birds belong to the Neoave clade. They are extremely diverse, and appeared shortly after the extinction of the dinosaurs."	Unlocked after Raptor Ancestry, Rapid Diversification, and Mesozoic Valley Rank 38	Aggression, Blue Jays (after Aggression), Intelligence, Speech, Parrots (after Speech), Carrion, Crows, Hovering, Hummingbird, Vulture, Head Rotation, Owls, Flippers, Penguin, Flocking, Cranes, Homing, Pigeons, Eagle Eyes, Eagles