School appears in all The Sims games except The Sims Castaway Stories. School bus takes children and teens to and from school. School hours vary by game: 9AM-3PM for children, 9AM-1PM for teens
Gene processors and xenogerms allow custom colonist abilities and xenotypes. Xenotype genes cover all biology aspects including skin, hair, and immunity. Players can create custom xenotypes using gene editor
Game contains 18 maps with 7 maps without variants. Each floor layout is randomly selected with semi-random spawns. Players earn 5 Ichor for surviving each floor
CommandStats' /time query daytime command returns current time in ticks. Value equals number of game days including skipped nights. Current time requires modulo 24000 operation. Requires objective, fake player, and target tracking
Artificial biomes are player-constructed areas that spawn enemies and provide materials. Only certain biomes can be artificially created. Biomes can be built in any layer, but some have specific depth requirements. No biome can override the Underworld except Meteorite
Flowers provide instant +5 sanity gain each. Prototyping new items and structures grants +15 sanity. Garland provides +1.33 sanity per minute. Top Hat offers +3.33 sanity per minute. Cooked mushrooms provide +15 sanity (green) or +10 (blue)