Bonus arena characters - Successfully complete the indicated task in Scenario Campaign mode to unlock the corresponding character in Arena mode:

Anna: Defeat her in G Corporation, Millennium Tower.
Armour King: Defeat him in Lost Cemetery.
Asuka: Defeat her in Kazama-Style Traditional Martial Arts Dojo.
Baek: Defeat him in West Coast Canal Industrial Complex.
Bob: Defeat him in Central District, 11th Avenue.
Bruce: Defeat him in G Secutiry Service, Operations Headquarters.
Bryan: Defeat him in Southern Woodlands.
Christie: Defeat her in Seahorse Grand Hotel.
Devil Jin: Defeat him in Nightmare Train.
Dragunov: Defeat him in container Terminal 7.
Eddy: Defeat him in Tekken Force 4th Special Forces Operation Group Compound.
Feng: Defeat him in Deserted Temple.
Ganryu: Defeat him in Aranami Stable.
Hwoarang: Defeat him in Industrial Highway 357.
Heihachi: Defeat him in Mshima Estate.
Jack-6: Defeat him in Container Terminal 3.
Jin: Defeat him in Azazel's Temple, Central Corridor.
Julia: Defeat all enemies in G Science and Technology, Research Building 3.
Kazuya: Defeat him in G Corporation, Millennium Tower Heliport.
King: Defeat him with Marduk in Mixed Martial Arts Gym "Wild Kingdom".
Kuma or Panda: Defeat Kuma in North Nature Park.
Law: Defeat him in West District, Chinatown.
Lee: Defeat him in Violet Systems.
Lei: Defeat all enemies in ICPO Branch Office.
Leo: Defeat it in 16th Archaeological Expedition's Excavation Site.
Lili: Defeat her in Queen's Harbour.
Marduk: Defeat him with King in Mixed Martial Arts Gym "Wild Kingdom".
Miguel: Defeat him in South Bay Warehouse Area.
Mokujin: Defeat it in Subterranean Pavillion.
Nina: Defeat her in Mishima Zaibatsu, Central Subway Line.
Paul: Defeat him in West District, 13th Avenue.
Raven: Defeat him in Secret Underground Passage.
Roger Jr.: Defeat it in Mishima Industries, Biotech Research Station Ruins.
Steve: Defeat him in Abyss Gate.
Wang: Defeat him in Fujian Tulou.
Xiaoyu: Defeat her in Mishima Polytechnic.
Yoshimitsu: Defeat him in Kigan Island.
Zafina: Defeat all enemies in Mystic's Village.

Bonus stages - Successfully complete the indicated task in Scenario Campaign mode to unlock the corresponding stage:

Arena: Successfully complete Southern Woodlands.
Kigan Island: In Abyss Gate on the Hard difficulty, defeat a man with straw hat, take his items, then exit to the world map.
Mishima Industries, Biotech Research Station Ruins: Go right at the first junction in Seahorse Grand Hotel. Then, defeat the Kangeroo, and complete the stage.
Nightmare Train: Successfully complete Azazel's Temple, Central Corridor.
Subterranean Pavilion: Successfully complete 16th Archaeological Expedition's Excavation Site on the Hard difficulty.

Medium and Hard modes - Successfully complete Azazel's Temple, Central Corridor in Scenario Campaign mode to unlock the Medium and Hard difficulties.

Comic Effect - Successfully complete Scenario Campaign mode to unlock the English and Japanese Comic Effect in Customization mode.

Choosing victory pose - Just before the victory sequence appears when the match ends, hold [Left Punch], [Right Punch], [Left Kick] or [Right Kick] to select a pose. Note: Not all characters have the same number of alternate poses.

Weapon moves - Perform one of the following moves to use the corresponding weapon:

First weapon: Press [Right Punch] + [Left Kick] + [Right Kick].
Naginata (female characters): Press [Left Punch] + [Left Kick] + [Right Kick].
Second weapon: Press [Left Punch] + [Right Punch] + [Right Kick].
Sledgehammer (male characters): Press [Left Punch] + [Left Kick] + [Right Kick].

Rage effects - Get the following Roulette result for the corresponding type of rage:

Black Rage: 1x Roulette
White Rage: 2x Roulette
Yellow Rage: 3x Roulette
Lightning Rage: 4x Roulette
Ice Rage: 5x Roulette
Fire Rage: 6x Roulette

Alternate dashboard menu picture - During an online match, press Xbox Guide, and quit through the dashboard to change the dashboard menu picture to a scowling Heihachi.

Easy "No Key For Me" achievement - Play the Millennium Tower stage. You will be asked if you would like to use Nancy, the giant robot from Arcade mode. Select "No", and successfully complete the stage to get the "No Key For Me" achievement.

Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Give Your Fists a Rest (15 points): Defeat an enemy using a weapon in Scenario Campaign Mode.
Night at the Movies (15 points): Unlock a movie in Scenario Campaign Mode.
Item Connoisseur (30 points): Obtain a Rank S Item in Scenario Campaign Mode.
Treasure Amateur (10 points): Collect 50 treasures in Scenario Campaign Mode.
Treasure Enthusiast (20 points): Collect 100 treasures in Scenario Campaign Mode.
Treasure Master (30 points): Collect 200 treasures in Scenario Campaign Mode.
Enemy Hunting Amateur (10 points): Defeat 300 enemies in Scenario Campaign Mode.
Enemy Hunting Enthusiast (20 points): Defeat 1000 enemies in Scenario Campaign Mode.
Enemy Hunting Master (30 points): Defeat 2000 enemies in Scenario Campaign Mode.
Playing With Fire (15 points): Defeat 100 enemies with the Flamethrower in Scenario Campaign Mode.
Heavy Artillery (15 points): Defeat 100 enemies with the Gatling Gun in Scenario Campaign Mode.
Ready for Action (15 points): Pick up 300 health recovery items in Scenario Campaign Mode.
Brute Force (15 points): Defeat 100 enemies with the Lead Pipe in Scenario Campaign Mode.
Thirsty Fighter (15 points): Pick up 50 drink items in Scenario Campaign Mode.
Crate Breaker (15 points): Destroy 100 wooden crates in Scenario Campaign Mode.
Alien Hunter (20 points): Defeat 10 aliens in Scenario Campaign Mode.
Scenario Expert (30 points): Clear all of the stages in Scenario Campaign Mode.
King of the Hill (20 points): Knock 10 enemies in the water in Scenario Campaign Mode.
A Friend in Need (15 points): Rescue your downed partner 3 times in Scenario Campaign Mode (single player).
Combo Amateur (10 points): Perform a 10 chain combo in Scenario Campaign Mode.
Combo Enthusiast (20 points): Perform a 30 chain combo in Scenario Campaign Mode.
Combo Master (30 points): Perform a 50 chain combo in Scenario Campaign Mode.
Upgraded Assistant (15 points): Upgrade Alisa to the highest possible level.
What's So Special About It? (20 points): Obtain the Special Flag in Scenario Campaign Mode.
No Key For Me (45 points): Clear the Millennium Tower stage without the boot-up key in Scenario Campaign Mode.
Learning is Fun (15 points): Clear the tutorial stage in Scenario Campaign Mode.
Moving On Up (20 points): Win a Ranked Match in Online Mode.
No Pressure (20 points): Win a Player Match in Online Mode.
Fighting Amateur (10 points): Play 3 matches in Online Mode.
Fighting Enthusiast (20 points): Play 10 matches in Online Mode.
Fighting Master (30 points): Play 30 matches in Online Mode.
Arcade Addict (15 points): Clear the Arcade Battle in Offline Mode.
Team Toppler (15 points): Defeat 3 teams in Team Battle in Offline Mode.
Survival of the Fittest (15 points): Earn 10 consecutive wins in Survival in Offline Mode.
Practice Makes Perfect (15 points): Inflict a total of 1000 damage in Practice in Offline Mode.
Gallery Completionist (45 points): Complete the Gallery.
Ghost Vanquisher (20 points): Defeat 30 Ghosts.
Love That Money (15 points): Collect more than 5,000,000 G.
Machine Crusher (30 points): Defeat NANCY-MI847J.

Additionally, there are eleven secret achievements:

Tekken Fanatic (10 points): Complete all other objectives.
Friend or Foe? (15 points): Reunite with your ally in Scenario Campaign Mode.
Locate the Target (15 points): Learn the whereabouts of Heihachi Mishima in Scenario Campaign Mode.
It's All Coming Back to Me (15 points): Recover your memory in Scenario Campaign Mode.
The Key to Victory (15 points): Obtain the boot-up key in Scenario Campaign Mode.
That's No hero (15 points): Defeat the Hero in Scenario Campaign Mode.
The destroyer Has fallen (15 points): Defeat the Destroyer of Worlds in Scenario Campaign Mode.
Showdown (30 points): Win the final battle in Scenario Campaign Mode.
Wooden Warrior (30 points): Clear the Subterranean Pavilion stage in Scenario Campaign Mode.
Eastern Explorer (30 points): Clear the Kigan Island stage in Scenario Campaign Mode.
What a Nightmare (30 points): Clear the Nightmare Train stage in Scenario Campaign Mode.