Olli3Summers

Undiscovered Truths Find all the intel hidden in Nightfall.

Burgertown Escort Service Rescue 1 survivor in Infection.

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

Tag, You're it! Use the Spotter Scope to tag 60 enemies or items in Open Combat Missions

Frozen Fists Complete Frosted Fjord without having a melee or ranged weapon equipped at any time.

The Guillotine Kill Isaac with Judas

Come On And ... Slam 10 zombies at once in Outbreak.

Chuck Greene: Cross-dresser? Change into all pieces of clothing in the game

Grave and Growing Free a country.

Golden God You are the best!

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

Crash Proof Use a flashback in the DiRT Tour after receiving terminal damage and then go on to win the race

Beginner Master Complete All Beginner levels

Super, Man! To battle is to win a fight with overwhelming strength! Show me you can do 100 Super Combos!

2-fer Using the EBR-14, kill 2 enemies with 1 bullet 5 times in 'Payload' without sounding the alarm

Elevator Out of Order Reach the roof in 'Highrise' under 45 seconds

Fresh Fish Have 5 ice blocks in your cargo.

Boom! Defeat 5 foes at once using the War Horn.

The third faction Rescue all the Buddies from their respective predicaments

Feel the Beat, Y'all! Complete "Feel the Beat, Y'all!" challenge

Acidic Alchemy In IX, Get a kill with the Acid Trap in each of its craftable locations

Appease the Volcano Gods An NPC is destined to die in a trial by fire.

Thanatophobia WITHOUT using the Architect, complete the game dying 15 times or less

Distinguished Service Collect 50 Team Boosts.

Can you dig it? Complete "Can you dig it?" challenge

I Know a Shortcut In Voyage of Despair, take every fast travel path in a single game

The Coin Bag Kill Isaac with Cain

Don't make me pull the trigger! Survive for 5 minutes in Demolition mode

Master of the reliquary Gather all the fingers of Frankenstein

A Time of Wood and Stone Gathered the lost lore of Cadash Thaig ("Witch Hunt" downloadable content)

The Most Famous Hedgehog in the World Have your photos taken in Studiopolis Zone

Gravestone Kill 100 Zombies with a vehicle in a single deployment in MWZ

Xenocide Kill 50,000 aliens.

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

The River Complete "The River" challenge

Nemesis Complete "Nemesis" challenge

Dinner Date Pigsy's Perfect 10: Collect all hidden food and pin-up girls.

Let the Dog Out Complete "Let the Dog Out" challenge

From The Black Depths Catch the Colossal Squid.

Donut Mess with a Cop Unlock Officer Dick.

Time's Teller Defeat the Unknown.

Egg-stra Devastation! Complete the Egg-Stra XP challenge and then destroy a hive in the Devastation DLC package.

Get him! Win a Quick Race on a track in the Batcave (not unlockable in Split Screen).

Going to the Vet Earn the "Veteran" Challenge Collection.
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Faith in the Fallen Take a leap of faith

Channeled Rage Get a rage chain of 10 or greater.

Fully Loaded Maximize all upgrades.

No Damage! Finish any Stage without taking damage.

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

A Little Pack Here, a Little Punch There In Voyage of Despair, use the Pack-a-Punch at every possible location in a single game