In the Fully Yoked 1.4 update to Grounded, the developers added something called Ant Queens. These are not bosses, but instead are an option offered to players who have ventured deep into the anthills around the map.
How to interact with the Ant Queens in Grounded Full Yoked
There are now three Queen Ants, one in each of the colonies. You have a choice for each of the Queens: you can either befriend them or betray them. There is also a secret third option which is to infect them. The Red Ant Queen, the Fire Ant Queen and the Black Ant Queen all have hidden, unique recipes for getting infected. All three Ant Queens are available in the base game, so you don't need to start New Game Plus to be able to interact with them. However, some of their options are not available until New Game Plus.
Red Ant Queen's choices in Grounded
This is the easiest of the Ant Queens to interact with. She is located deep within the Red Ant Hill, which is in the lower courtyard. She can be befriended, killed or infected, and each choice has its own consequences.
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Befriending the Red Ant Queen
The Red Ant Queen can be became friends giving her a Juicy Mushroom Sandwichwhich is unlocked by the Haze BURG.L Cockroach. If you feed her this delicious treat made from 2x Pompies, 5x Mushroom Piece, and 2x Aphid Honey Set, she will give a choice of rewards in exchange. You will receive a Baby Red Ant pet and its card, and all red ants on the map will become neutral to you.
Another plus is that you get the Ant Friend Offerings from Red Ant Queen Pheromones, and you get a level of Antbassador mutation. These can be researched to give you blueprints for the Ant Queen Scepterthe Red Ant Queen Chaiseand the Red Ant Queen Chandelier.
Kill the Red Ant Queen
You can too poison the Red Ant Queen with the Poisonous Mushroom Sandwich. It is made in the oven with 2x Apple Bits, 5x Mushroom Chunk, and 2x Spider Venom, and the recipe can be found in the Mist Lab. This will kill the Queen, allowing you to harvest her body for parts for the Red Ant Queen Armor. This will also make all the red ants on the map more aggressive towards you.
Killing the Red Ant Queen gives you an additional reward; you'll get access to the cave behind her body, which contains a boatload of Fragile Quartzite Shards; in New Game Plus, this will also be filled with treasure chests. You can also unlock the recipes for Red Ant Queen Mountain and Stuffed Red Ant Queen with her body.
Infecting the Red Ant Queen
The third option is to infect the Red Ant Queen. To do this, you must capture the Infected Mushroom Sandwich Recipe, found inside the Exposure Pipe that takes you to the Haze Laboratory.. It is made in the oven with 2x Apple Bits, 5 Mushroom Bits, and 20 Mushroom Sprouts. This will kill the Queen instantly, giving you the same rewards as killing her with the Poisonous Mushroom Sandwich above.
This will make a “ripple in an alternate dimension” that will give you the Infected Ant Queen in your New Game Plus. This will also infect several of the red ants on the map in your New Game Plus, so you will have Infected Ants and Infected Soldier Ants. If you feed the Infested Red Queen Ant Shulman Hoagiesyou will unlock recipes for the Sausager, Killbasa, and Glowbasa Link. You can also unlock better recipes for the Bratburst, Splatburst, and Healbasa. The Infected Red Ant Queen is the only Infected Queen that can be eaten multiple times; the other Queens only give one recipe for the Moldy Hoagie.
Black Ant Queen's choices in Grounded
The second Ant Queen added to Grounded in the 1.4 update is the Black Ant Queen. You have the same choices for her, and you will get different rewards depending on which one of the three you choose.
Make friends with the Black Ant Queen
To befriend the Black Ant Queen, you will need to unlock the Black Ant Queen's favorite food: Delicious Gum Sandwich; the recipe is found right inside the Sandbox Lab Outpost. It is made in an oven with 2x Cookie Sandwich Bits, 5x Gum Nugget, and 5x Aphid Honey Set. This is unlocked by picking up the Sandbox BURG.L Cockroach. Feeding her this will make all the black ants neutral instead of enemies, and give you access to the Ant Friend Sacrifices, just like with the Red Ant Queen. This will give you the phase of Antbassadorand you will get an Ant Pet.
Kill the Black Ant Queen
If you choose to poison the Black Ant Queen, you'll have to deal with the increased aggression of black ants, but you'll get some sweet loot in exchange. You will have to feed her the Poisoned Gummy Sandwich, made from 2x Cookie Sandwich Bits, 5x Gum Nugget, and 5x Broodmother Venom in the oven. If you kill her, you'll gain access to the cave behind her body, which contains a bunch of Sturdy Quartzite Shardsand you will unlock the ability to make the Black Strategists Armor, Black Ant Queen Mount, and Stuffed Black Ant Queen. The recipe for the Poisoned Sandwich is located in the main room where you can unlock Sector A in the Black Ant Laboratory.
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Infecting the Black Ant Queen
The recipe for the Infected Gum Sandwich is located in the Black Ant Lab above the Assistant Manager Arena but only in New Game Plus. She will die immediately, and in your next New Game Plus, she will become infected. Giving the infected Black Ant Queen a Shulman Hoagie will give you the Glowbasa Wristband recipe
Fire Ant Queen's choices in Grounded
Last but not least, we have the Fire Ant Queen. She is quite easy to find compared to the other two; if you enter the Fire Anthill near the Yogi's Head, you just need to walk straight east inside the nest to find her. Just like the other Queens, you can feed her sweets.
Befriending the Fire Ant Queen
To befriend this giant ant, you'll need to unlock the Tasty Toejam Sandwich recipe found on the Stump BURG.L A cockroach. It is made with 2x Donut Chunk, 2x Toenail, and 5x Aphid Honeydew in the oven. Just like the other Ant Queens, this one will give you an Ant Pet, level your Antbassador mutation, make most of the black ants less aggressive, and get you the Fire Ant Queen Pheromones to get the Ant Friend Sacrifices, the Fire Ant Queen Scepter recipe, the Fire Ant Queen Chaise recipe and the Fire Ant Queen Chandelier recipe.
Kill the Fire Ant Queen
To kill the Fire Ant Queen, you will need to feed her the Poisoned Toejam Sandwich, made in the oven with 2 Donut pieces, 2x Toenail Toenail, and 5x Super Spider Venom. This recipe is located inside the Fire Ant near the Jungle Anthill/Yoked Girths entrance; enter then turn right at the crossroads. Beyond the Dead Roots, there is a recipe on the pillar. Give this to the Queen, and you'll be able to loot her body, giving you access to her Filled version, the plaque of her headand the cave behind her was filled with Superior Quartzite Shards.
Infecting the Fire Ant Queen
And last but not least, you can infect the Fire Queen with an Infected Toejam Sandwich. This can only be found if you created New Game Plus, beat that, and then started New Game Plus 2. It will be right in the Fire Anthill entrance near the Lawnmower; just enter and go south until you are where the white star is in the screenshot above. This recipe is made from 2x Donut pieces, 2x Claws and 50 Mushroom Growths, and it is made in the oven. Feed it to the Ant Queen, and in your next New Game Plus, which will be New Game Plus 3, you can have an Infected Ant Queen. If you give her the Moldy Hoagie, you'll get a special recipe: Glowbasa Necklace.
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