If your game menu doesn't mention the DLC then you need to restart steam to get the latest patch that supports it.
You can play with people that don't have the DLC, but that will limit the maps you can visit.
Map Pack DLC Release Scheduled for 6/24/2019
Rogue Party's first ever DLC will release Monday 6/24/2019; Experience the game like it's brand new with 64 new maps to explore!
Stay tuned for the announcement on Monday....
Elite Items Now Cost Diamonds to Unlock
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A lot of players gave feedback regarding the new Elite Items requesting that they be made unlockable just like the cosmetics.
Poof! Your wish has been granted!
As I add new elite items and cosmetics I will cycle out the old ones, so make sure you by everything now!
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Introducing Elite Items
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Lucky adventurers will find 6 new elite items in place of normal armor or weapons.
"Elite" Equipment
Whenever a chest rolls a weapon or armor, there is an 8% chance of an Elite item showing up instead.
Elite items have their own models within chests.
Elite Armor have 25 more life than the best normal armor.
Elite Weapons have 2 dps more than the best normal weapon.
All Elite items have a special attribute.
Upgrading an Elite item does not remove its special attribute.
Elite items do not need to be unlocked.
It is possible to roll Elite items in town.
List of Six New Elite Items
Eternal Flame: 32 DPS, Seeks Targets
Hell-Forged: 250 Life, Immolation
Legion Plate: 250 Life, Summons Legionnaire
God Hammer: 32 DPS, Knockback
Toxic Trident: 32 DPS, Poisons
Frost Guard: 250 Life, Freezes on Touch
DISCORD: https://discord.gg/NThERTU
5 New Upgrades Now Available
New Upgrades
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[td]Electric[/td]
[td]Fiery[/td]
[td]Thief's[/td]
[td]Miraculous[/td]
[td]Shielding[/td]
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[td]Periodically zaps nearby enemies.[/td]
[td]Periodically shoots fire at nearby enemies.[/td]
[td]33% chance to go invisible after getting hit.[/td]
[td]15% chance to regen life after getting hit.[/td]
[td]Adds 10 temporary life after each kill.[/td]
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Hard Mode Update
Demon Heads now take longer to recover after attacking.
HARD MODE IS LIVE!
New Difficulty: Hard Mode
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Hard Mode is now available for those Rogues willing to take on a real challenge.
Gold and Diamond rewards increased.
Bosses deal 50% more damage.
All Enemies have new enhancements to help them kill you.
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New Rewards
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Defeat the Wizard to unlock new cosmetics and show off in multiplayer.
Use Gold from chests and bosses to purchase random upgrades or boosts.
Two new weapons: Serrated Arrows and Hand Axe.
New potions, equipment upgrades and magical on use items.
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Hardmode Enemy Upgrades
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Bats are faster and sap your strength.
Goblins fire homing missiles.
Slugs leave behind a pile of damaging goo.
Statues are immune to ranged attacks.
Lizardkin shoot more vomit and further.
Mites fire rocks while they run on the ground.
Golem Heads fire homing missile barrages.
Golems knock back players great distances.
Worms move faster.
Exploding Golems now launch freezing ground instead of lava.
Demon Heads are immune to ranged damage while attacking.
Demon Bodies launch three lightning bolts on death.
Specters fire a new bullet called "Fear Shot."
Spiders now apply poison on attack.
Hellspawn now apply numbing on attack.
Leeches reduce you total health by 5.
Adult Leeches move twice as fast underground.
Ice Mites fire rocks while they run on the ground.
Abominables launch an additional freezing ground attack.