Sandworm4

Knuckles the Echidna Become friends with Knuckles.

Baby Steps Complete your first run

Ladder Master Complete Arcade Ladder on max difficulty without using a continue

Mark of the Assassin Defeated Duke Prosper, with or without Tallis. ("Mark of the Assassin" downloadable content)

Trial of the Magician Travel Light on for "In Hushed Whispers": finish the quest.

Infernal Jungle Collect 10,000 Aberrant Cinders in Nahantu Helltides.
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Blackjack Subtle Evaded vault security in Chateau Haine. ("Mark of the Assassin" downloadable content)

Phantom in the Hull Reach level 18 in survival mode.

Thoras Thrasher Defeat Thoras in the parallel dimension.

Alma Annihilator Defeat General Alma in the throne room.

Triple Trouble Try for a 3 chain combo!

Window Shopping Let the wind take you through

You Found Me! Discover and fight Hidden Kombatant 1 in Arcade Ladder

Together Forever View Miki's ending.

Chasing the Game Lured and killed an alpha wyvern near Chateau Haine. ("Mark of the Assassin" downloadable content)

"Puny God!" Defeat an enemy

Grim Reaper Defeated the Harvester on Hard or Nightmare difficulty ("The Golems of Amgarrak" downloadable content)

All Clear: Shiva Clear all stages in single-player mode as Shiva.

Crasher Have attained Combat Level 15

Ultimate Warrior Unlock all alternate moves for one character.

New Recruit Unlock your first hero

Instigator Complete Riot Mode for the first time

Trial of the Fool Take It Slow on: reach Skyhold at level 5 or less.

The Take Disarmed the fire traps in Chateau Haine's vaults. ("Mark of the Assassin" downloadable content)

Amy Rose Become friends with Amy.

Clown Wars Lead an army of 3 clowns.

Picking Up the Pieces Restored the fourth continent

Hyperdrive Have mastered the Lightspeed Dash technique

Read the Defense Find all readables in "The Adventures of Gunslinger Joe"

Signing Bonus Find all gold in "The Adventures of Gunslinger Joe"

Aced Story Mode Ace the main path of the Story.

Trial of the Lovers Fair-Weather Friends always on: enter Halamshiral with all followers.

Get A Life Spend 1440 active minutes in Create mode.

Investigation Complete Find all readables in "The Diaries of Agent Silent Death"

California Gold Find all gold in "The Diaries of Agent Silent Death"

The Password is "Special Stage" Try pushing a barrel to see how far it goes

Ring Leader Collected 5,000 total rings

Avenger Complete one puzzle

Helping Hand Complete half of all quests.

Chases The Aces Complete 10 Story levels in a row without being killed.

Hoard Mode Survive five consecutive waves without spending any Credits

Bruce's Revenge Obtain all 72 medals on the original Arkham Origins ranked maps (as Bruce Wayne)

Crate Expectations Wreak havoc at the propaganda factory

All Clear: Max Clear all stages in single-player mode as Max.

Helping Hand Completed all missions for a townsperson

I am the Danger Dismember 100 limbs in Riot Mode
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Campaign Ninja Obtain all 108 medals on the original Arkham Origins campaigns (as Bruce Wayne)

Science Maven Win Labs as both factions in Campaign Mode

Heavy Petting Petted the cat

Big the Cat Become friends with Big.