A:Five artifacts
If you buy the Artifact Detector you can find them easier.
The math class in LEGO Indiana Jones is some where in a level at least that's what my cousin said. And the right level is in the last crusade and the level is rescue professor Jones :)
beat the first level.
By playing the first level of Temple of Doom you unlock him for free play.
complete the first level
Run and Jump
You beat all the levels find all the artifacts and minikits and you need to get true adventurer in every level. Buy everything. Also beat the bonus levels. Find the hidden Star Wars Characters.
peanut butter
nothing can helpyou with this task
If you get all the artifacts from one level, then you can go to a room where you have a bunch of minikit models, and you can scroll through them and see wich ones you've completed. That's how it is for DS
"Lego Indiana Jones: The Original Adventures" is an action-adventure video game that features various levels based on scenes from the first three Indiana Jones films. While the game doesn't have "secret levels" in the traditional sense, there are hidden collectibles and bonus levels you can unlock by meeting specific requirements. Here are some notable bonus levels and how to unlock them: Young Indiana Jones: Unlock Requirement: Collect all artifacts in "Raiders of the Lost Ark" levels. Description: This bonus level allows you to play as young Indiana Jones and complete a unique adventure. Ancient City: Unlock Requirement: Collect all artifacts in "Temple of Doom" levels. Description: In this bonus level, you explore an ancient city and face various challenges. Warehouse: Unlock Requirement: Collect all artifacts in "The Last Crusade" levels. Description: The Warehouse level is a homage to the final scene of "Raiders of the Lost Ark," where the Ark of the Covenant is stored in a government warehouse. Bonus Levels (Secret Characters): Unlock Requirement: Collect a certain number of Lego studs in each level to achieve "True Adventurer" status. Once you achieve this in a level, a corresponding bonus level is unlocked. Description: These bonus levels feature secret characters and unique challenges. Artifact Room: Unlock Requirement: Collect all artifacts in the game. Description: The Artifact Room serves as a showcase for all the artifacts you've collected during your adventure. Super Bonus Levels (Bonus Stages): Unlock Requirement: Collect all of the red power bricks in the game. Description: These bonus stages provide additional challenges and fun gameplay experiences. To unlock these levels and bonus content, you'll need to explore each level thoroughly, solve puzzles, and collect artifacts and studs. As you progress through the game, make sure to smash objects, interact with the environment, and use characters with different abilities to access hidden areas and collectibles. Additionally, using characters with specific abilities, such as digging or fixing machines, can help you uncover secrets and unlock bonus content
no you cant because each level leads to the next level after that