Buy Han Solo:
First, find the following five characters in the corresponding locations. After you find all five characters Han Solo can be purchased in Free Play mode for $100,000.
C-3PO
In the Lost Temple after you snag the idol fire an explosive at the gray wall. Smash the blocks he is enclosed in.
Luke Skywalker
In Into the Mountains go to the area with the collapsing ice bridges. Fall down the third one and blast the wall of ice to free Luke.
Chewbacca
In the City of Danger go to the last room with the truck. Decipher the glyph panel to find the cantina and crawl through the vent to reach Chewie.
Princess Leia
In Free the Slaves go to the fourth area. Go down the railings and blast
the rubble. Use the soldier door to find her.
R2-D2
In Desert Ambush, in the first area, go the left side and use a high jumper to get
up top. Head left and use the whip platform to lower a Sandcrawler
tube. R2-D2 will pop out.
Unlockables:
Enter any of the following codes at the university’s math classroom to unlock the corresponding cheats at the ‘extras’ menu:
CHEAT FUNCTION – CHEAT CODE
Artifact Detector – VIKED7
Beep Beep – VNF59Q
Character Treasure – VIES2R
Disarm Enemies – VKRNS9
Disguises – 4ID1N6
Fast Build – V83SLO
Fast Dig – 378RS6
Fast Fix – FJ59WS
Fertilizer – B1GW1F
Ice Rink – 33GM7J
Parcel Detector – VUT673
Poo Treasure – WWQ1SA
Regenerate Hearts – MDLP69
Secret Characters – 3X44AA
Silhouettes – 3HE85H
Super Scream – VN3R7S
Super Slap – 0P1TA5
Treasure x2 – VM4TS9
Treasure x4 – VLWEN3
Treasure x6 – V84RYS
Treasure x8 – A72E1M
Treasure x10 – VI3PS8
Treasure Magnet – H86LA2
Unlockable characters:
Enter any of the following codes at the university’s math classroom to unlock the corresponding characters at the ‘Extras’ menu:
CHARACTER – HOW TO UNLOCK
Barranca – 04EM94
Belloq (Desert) – CHN3YU
Belloq (Jungle) – TDR197
Belloq (Priest) – VEO29L
Boxer – 8246RB
British Commander – B73EUA
British Officer – VJ5TI9
British Trooper – DJ5I2W
Captain Katanga – VJ3TT3
Chatterlal – ENW936
Chucin – 3NK48T
Colonel Dietrich – 2K9RKS
Colonel Vogel – 8EAL4H
Dancing Girl – C7EJ21
Desert Digger – 12N68W
Desert Enemy Officer – 2MK45O
Desert Masked Bandit – N48SF0
Desert Monkey Man – 3RF6YJ
Desert Soldier – 4NSU7Q
Desert Swordsman – 1MK4RT Donovan – 3NFTU8
Dr. Schneider (Desert) – JSNRT9
Dr. Schneider (Officer) – VMJ5US
Enemy Bazookaman – S93Y5R
Enemy Butler – VJ48W3
Enemy Communications Officer – 1MF94R
Enemy Guard – VJ7R51
Enemy Guard (Nepal) – YR47WM
Enemy Officer – 572E61
Enemy Pilot – B84ELP
Fedora – V75YSP
First Mate – 0GIN24
Grail Knight – NE6THI
Hovitos Tribesman – H0V1SS
Indiana Jones (Officer) – VJ85OS
Indiana Jones (Disguised) – 4J8S4M
Jungle Guide – 24PF34
Kaokan – WMO46L
Kazim (Desert) – 3M29TJ
Kazim (Venice) – NRH23J
Laoche – 2NK479
Maharaja – NFK5N2
Major Toht – 13NS01
Mola Ram – FJUR31
Pankot Assassin – 2NKT72
Pankot Guard – VN28RH
Punjabi Dignitary – KD48TN
Punjabi Village Elder – 4682E1
Sherpa Brawler – VJ37WJ
Sherpa Gunner – ND762W
Slave Child – 0E3ENW
Thuggee – VM683E
Thuggee Chatterlal – CNH4RY
Thuggee Priest – T2R3F9
Thuggee Slavedriver – VBS7GW
Willie (DJ) – VK93R7
Willie (Pajamas) – MEN4IP
Wuhan – 3NSLT8
Increase stud values:
To increase stud values, activate the 2x, 4x, 6x, 8x, and 10x Treasure cheats. Studs will then be worth 3,840x their normal value.
Secret levels:
Collect all artifacts in the following levels to unlock the corresponding secret levels:
LEVEL – SECRET LEVEL
Collect all artifacts in Raiders Of The Lost Ark – Young indy level
Collect all artifacts in Temple Of Doom – Ancient city
Collect all artifacts in The Last Crusade – Warehouse level
Red Parcels:
One Red Parcel is hidden in each level. After finding one, drop it in the gray and red postbox hidden nearby. When you return to Barnett college, enter the mail room through the middle door on the right side of the hall. Bonuses unlocked by the parcel can be purchased here.
Raining Lego studs:
To make it rain Lego studs inside the college, get a 100% game completion.
Santa Claus:
If you choose the “Secret Characters” extra while playing in Free Play mode on the “Into The Mountains” mission you can get Santa Claus.
Once you are in the last area of the level, get all of blue blocks and put them on the blue platform. Then, build both platforms to get on the mountain edge. Follow the path and you will find a house. Find a way up there to see presents and Lego blocks that will make a sleigh. Go in the chimney then break the boxes. There will be a candy cane that you can use for a weapon as well as Santa Claus.
Secret library entryway:
Go to the artifact room to the right of the stairwell. Once you step inside, there will be a big hole. Go the railing with any character and jump over it. You should arrive at the courtyard, which is a quick and fast way to get to the library.
“Warehouse”: Easy studs:
Use the following trick to get 1 million studs in the unlockable Warehouse level in less than three minutes. Play as a bazooka trooper when you enter the level. Once in the Warehouse, go all the way to the far right-hand side of the level. You will see a big target. Use your bazooka trooper to blast this target repeatedly until you have 1 million studs.
Easy studs:
Enable the VM4TS9, VLWEN3, V84RYS, A72E1M, and VI3PS8 codes to have all of the multipliers active at once. This results in a x960 multiplier. One blue brick will give you a over a million points instead of a thousand.
Unlock the Treasure x2, Treasure x4, Treasure x6, Treasure x8, and Treasure x10 cheats in your extras menu. Select them in order from highest to lowest to get a x3840 multiplier. A silver will be worth 20,000 studs each.
Go to any level. Find the parcel and put it in the mailbox. A purple stud will appear every time you do so. Repeat this trick to get lots of studs quickly.
Reach courtyard from artifact room:
In the artifact room in Barnett College, there a ledge with a railing. Jump off of the ledge with any character and you will end up in the courtyard.
Cheat code reference:
Watch the cinematic sequence in part 1 when Indy returns to Barnett College. When all the college students are watching Indy, notice his chalkboard on the upper right. It has “0p1ta5” on it. This is the code for the “Super Slap” cheat.
Star Wars references:
In The Temple Of Doom: Shangai Showdown, when you go out from the club, look to the left. There is a sign that reads “Obi Wan Club”.
In Raiders Of The Lost Ark: The Lost Temple, when Belloq wants you give the treasure, Indiana Jones pulls out head of C-3PO to fool him.
In the first level when you are on the raft, go into the waterfall. There will be a box or leaf. Hit it, then build the scholar panel. If you have a scholar you can get in. There will be an Ewok on the islands. He will wave at you, then leave.