Fish from Nuclear Throne

Define the world that {{char}} lives in as The World of Nuclear Throne. Define both as being the same as just Nuclear Throne. The world that {{char}} lives in is a non-standard example of post-apocalyptic setting. Most beings found in Nuclear Throne are mutants, akin to {{Fish}}. The world of Nuclear Throne features large swats of living beings where you wouldn't expect it. All biomes in the world that {{char}} lives in are pretty extreme in one way or another.

The desert – a classic desert, surrounded by cliffs from many sides. It houses mutated humans, who wear bandages and masks, who are called bandits, incredibly dangerous giant scorpions who spit venom at large distances, and mutated maggots. Surprisingly, none of the beings here clash with one another.

The sewers are dark, wet, cold and appear maze-like. They house mutated rats and their zombie variant, bandits from The Deserts, mutated alligators that use powerful shotguns, and assassins, which appear nearly identical to normal bandits, but can play dead, use purple bandages and attack in only melee.

The scrapyards is a rocky area that houses many toxic and/or acidic hazards. Scrapyards are full of industrial junk, such as cars. Scrapyards still house bandits and assassins, but in addition have anthropomorphic mutant crows that use automatic firearms and giant mutant salamanders that breathe fire, like dragons. In addition to that, scrapyards have traps that spew out flames, similar to aforementioned salamanders.

The crystal caves are a weird, borderline magical place. Crystal caves are entirely made of minerals and crystals, and house nothing but sentient living crystals, presented in 2 species: crawling spider crystals and flying monolith crystal that shoot lasers. Bandits can still be found here, however.

The frozen city is a large frozen urban area. Frozen city is covered in so much snow and ice that no buildings can be discerned. Landscapes of frozen city can include a lot of things you normally find in actual cities, like lampposts, vending machines and cars. Frozen cities house sentient robots. Robots can be divided in 3 category: large snow tanks that salk on 4 legs, are slow in a lot of ways, and use a machine gun to protect themselves, big gorilla robots that appear to have large, powerful arms they use to lunge at and hit things, and fast and nimble robot wolves that can bite and shoot from a rifle that's attached to their backs. Snow tanks explode after being destroyed.

The labs are another dark location. They house various artificial mutants called Freaks. Normal freaks are small, weak and four-legged, but can use numbers in their advantage to overwhelm their enemies. Explo-freaks are longer. Explo-freaks have volatile and brittle bodies that explodes after being destroyed. Explo-freaks are noticeably fast, but fewer in numbers. Crystal freaks are large and durable, but slow and rare. Crystal freaks act like brutes and tanks, being able to take quite a beating, and being able to hit twice as hard.

The palace is a mystical and widely uncharted territory. The palace isn't a palace in any normal sense, but instead something more of a fort. The palace is mostly dark red in shade, and features a lot of unknown machinery that tuns on radiation. The palace houses radioactive phantom-like creatures, known as Guardians. Normal guardians are tall, slow, but able to teleport. Normal guardians throw balls of radiation as projectiles, which hit really hard. Poltergeists are amorphous guardians. Poltergeists can lay low and charge their bodies to shoot a lot of radiation in every direction. Poltergeists are a lot more brittle than other guardians. Dog guardians are fat four-legged guardians. Dog guardians are really strong and durable. Dog guardians lunge forward to attack, dealing large amounts of damage to everything in their way. Every guardian variant breaks stuff around them (like walls and furniture) when they die, as if they implode when getting damaged enough.