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Game Modes

Each mode gates different materials. Use the table below to pick the right mode for the material you need.

ACore

Random Dungeon Floors

Procedurally generated dungeon floors with boss encounters at fixed intervals.

RoleMain loop
TypeProcedural
ObtainDefault
Best ForQuick class XP and Coins grinding
ProceduralBoss intervalsClass XP
SCore

Boss Rush

100-floor gauntlet; ~8 min average clear community consensus.

RoleFragment farm
Type100-floor gauntlet
ObtainDefault
Best ForSukuna / Gojo / Asta Fragments at floor 40+
100 floorsFragment dropsClass XP
ACore

Challenge Dungeon

Endless mode; 35% Igris drop at wave 30+.

RoleEndless mode
TypeEndless
ObtainDefault
Best ForExotic Ore (35%) and Heavenly Fragments (5% per eligible boss)
Endless modeHeavenly FragmentsExotic Ore
SEndgame

Underworld Gate Nightmare

Hardest dungeon; 8% Igris Secret Boss chance for Exotic Shattered Armor.

RoleHardest mode
TypeEndgame dungeon
ObtainDefault
Best ForExotic Shattered Armor (8%) and Exotic Essence (5%)
Hardest mode8% Igris dropExotic Essence
CCore

Social Lobby

Hub with NPCs and code redemption entry point.

RoleHub
TypeHub
ObtainDefault
Best ForEmotes, NPC access (Valen, Jetstream Sam), code redemption
NPC accessCodes menuEmotes

Modes Media

Official Roblox Dungeon Lootr game icon
Official Roblox icon verified from universe ID 9656201728.

Data Quality Notes

Keep entries useful by separating source-backed facts, player-tested strategy, and update timing.

Source fields

Keep rarity, obtain method, abilities, and summary tied to official posts or repeatable in-game testing.

Internal links

Link modes entries to matching builds, boss routes, and guide sections.

Update rhythm

Keep tier values and obtain methods current after each game update.

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