NotEnoughAdvancements

A mod that adds random features to Minecraft.that Advance Your Minecraft Experience 
The current version of the mod adds 19 new advancements, 5 new commands, 4 new biomes, 1 new dimension, and other misc features

Commands:
/feed - sets your hunger to full
/fly - enables flight
/dissablefly - disables flight
/cmdblock - gives you a command block
/giveunnobtainables - gives you most unobtainable items

Advancements:
NotEnoughAdvancements - obtained when a world is fist loaded (currently bugged)
Sand Guardian, Guardian Of the sand - Obtained when 64-128 sand is in inventory
Sweet - Obtained when a sweet berry is consumed
Out Of Options - Obtained when dried kelp is consumed
Pearl Of The End - Obtained when 1-64 ender pearls are in inventory
Welcome Home - Obtained when retuning to the overworld from the end
Through The Looking Glass - Obtained when 1-64 Spyglasses are in inventory
Iron Age - Obtained when 1-64 raw in is in inventory
Upgrades - Obtained when 1-64 netherite pickaxes are in inventory
Moist - Obtained when you enter a swamp
Slimy - Obtained when 1-64 slime blocks are in inventory
Time To Fish - Obtained when 1-64 Fishing rods are in inventory
Turtle - Obtained when 1-64 turtle shells are in inventory
Aquaman - Obtained when 1-64 tridents are in inventory
Fisherman - Obtained when 1-64 raw fish is in inventory
A Og - Obtained when the only bed type is crafted
Impossible - Obtained when you have 1-64 bedrock in inventory (its possible in survival if you know what your doing)
Cheesecake - Obtained when you have 1-64 pumpkin pie in  inventory
Diabetus - Drink a bottle of honey
Artist - Craft a painting
How?... What??.. Why??? - Eat a dragon egg omelette
Master Trader

Biomes:
Wastelands

Deadlands
Nether Paradise

Deep End Plains

Utilitys:
Gamemode Swapper Block - A block that allows you to easly swap gamemodes. (only obtainable via commands)

 (note most if not all textures are temporary)
(2nd note there are features that are not listed in the description)