Determination | achievement (root achievement for this mod)
Human Soul | item (Determination (not the achievement) can be extracted from it and made into a serum using a brewing stand)
Undertale Stuff | creative tab (contains the stuff this mod adds)
Golden Flower and Torn Golden Flower plants (Golden Flower drops the Torn Golden Flower when broken)
Kind Soul | item (currently has no use and can't be obtained without Creative)
Just Soul | item (currently can't be obtained without Creative but can rapid-fire spectral arrows)
Gold Coin and Stacked Gold Coin | items (Stacked Gold Coin is crafted from 9 Gold Coins)
Kitsune Mask | armor piece (overpowered helmet slot item but cannot be obtained without Creative)
Clover's Hat | armor piece (helmet slot item)
Starlo's Hat | armor piece (helmet slot item)
Determination Serum | potion (gives a lot of positive effects for up to 1 minute)
Toy Knife | weapon (fast but weak weapon)
Real Knife | weapon (very strong weapon)
Kind Soul (Shield Mode) | shield (infinite uses but can't be obtained without Creative yet)
Temmie | friendly entity (can be traded with)
Temmie Armor | armor piece (powerful chestplate slot item that costs a lot of Gold Coins)
Punch Card | item (stops all player momentum on right click)
Tem Card | item (single-use edible item that heals the player completely, can also be used as an overpowered weapon)
Music Discs:
-Ruins (UT song)
-Another medium (UT song)
-Last Episode (very short UT song)
-Death by Glamour (UT song)
-Finale (UT song split into 3 parts)
-Enemy Retreating (UTY song)
-Guns Blazing (UTY song)
Toy Gun | item (shoots soft ammo, can also be used for melee)
Soft Ammo | item (ammo for the toy gun)
"Non-Toxic" | achievement (gained by eating Soft Ammo)
Currency Exchange Guy | villager profession (exchanges Gold Coins for Emeralds and vice versa)
Undertale Stuff Trades | trades for wandering traders
UT Music | creative tab (contains the music discs this mod adds)
UT mobs | creative tab (contains the mobs this mod adds)
Destroyed Golden Flower | plant (spawns Chara on interaction)
Chara | mob (very aggressive)