Reus 2: Luxury Achievements Guide

They are minuscule buffs that you may acquire based on the resources you have within the city’s borders, each time the city passes a certain Tech level. You’ll see a message about your city’s leader inventing something when this occurs.

You will see them listed in the “Inventions” in the city tab, where you see gains based on your resource level. This is also where the Era-given buffs and debuffs are shown, for some reason– such as the Has Plague debuff from the Plague Era.

• Do it during Free Play / post-game, in Relaxing difficulty. Era achievements may require you being on Giant, but these sure don’t.
• Quick-save. Make sure you save before placing that Science Biotica that will begin the new Invention, not any later when the Invention begins.
• Limit the Biotica in city borders to ones that have already produced a Luxury in some other city. It seems like you can’t acquire duplicates of a luxury in a single planet (presumably for Trading), so you can restrict the pool of available Inventions to the Bioticas that you haven’t gotten Luxuries for. You may also try clearing out the city’s tiles by Upgrading to higher tiers, if you have unwanted Luxuries.
• Work with cities with low Science, so their tech level increases with lower effort.

The listed Bioticas aren’t exhaustive; I’ve only noted down the sources of Luxuries that I’ve seen for myself. There may be more than the examples provided.

Required Bioticas are listed in the format of:
Name (Tier*) – Biome

Americana
Have the Fried Chicken and Fruit Pie Luxuries on the same Planet

Fried Chicken appears to be produced by any fowl-type Animal, such as:
Jungle Fowl (1*) – Rainforest
Guineafowl (1*) – Savanna

Fruit Pie comes from any Fruit-tagged Plants, such as:
Papaya Tree (1*) – Rainforest
Blueberry (1*) – Forest

Both sides of the Story
Have Cuddly Pets and Stew Luxuries on the same planet

Stew appear to be produced by Herbivore Critters, and confirmed from:
Rabbit (1*) – Forest, Taiga
Guinea Pig (1*) – Rainforest

Cuddly Pets seem to come from Guinea Pigs only (as suggested by the achievement picture).

All that Glitters
Have Majestic Earrings, Majestic Amulets and Majestic Rings all on one planet.

I have not yet seen more than one source for each of these items.

Majestic Rings:
Silver (2*)- Taiga

Majestic Earrings:
Ruby (3*) – Desert

Majestic Amulets:
Nephrite (2*)- Taiga

Rockin’ Bowties
Have encountered the Pet Rocks Luxury

Stone (1*) – Rainforest, Taiga