! This post is subject to change with new ideas filling blank areas !
An interior DLC would be amazing :
The Kitchen:
with new bugs
(flies, ****roaches, centipedes, fleas)
new armors
(fleas boots for jumping higher)
new weapons and tools with new uses ???
Animal fur near a bowl (cat or dog)
cat or dog food for ???
more vertical level design (with a possibility to craft a glider with ****roaches wings ?)
a cold biome like in the fridge with a new armor craftable with animal fur to fight the cold (cut content) ! an idea from an other post, can't remember the name of the user !
a new mutation to fight the cold
change colors of armors and clothes with a natural resource ??? need ideas
more food resources like (cereals, honey, milk with new smoothies ?)
new materials (open to ideas)
electricity from batteries for base building
A new boss
The Bathroom :
Silverfishes, ****roaches
soap crafting resource for making ... ???
a use for soap bubbles in this area ?
The Living room :
The Bedroom :
Plastic from toys to make an even larger storage solution