Instructions
Grab the box on the right side of the screen and place it on the submarine's green pad. Indy must fight some bad guys, then cross the submarine to and run to the left, where Indy must use his whip to pull down the ladder. Climb up and make Marion turn the crank so Indy can cross to the other side of the platform. Drop the ladder for the second player to climb.
Pull the lever with both players to open the gate. Grab the red box inside the new room and jump down. Marion must turn the crank, while Indy rides the moving platform back across the water onto the submarine. Drop the box on the green pad, then assemble the pieces to complete the gun. Use the gun to shoot the green side of the large paddles in the gap on the platform to release a ladder. Climb the ladder, and run along the highest railing to the door outside.
Run to the right and use Indy's whip on the highlighted wooden platform, which drops blocks. Assemble the blocks into a bar, then use the bar to jump to the next platform. Use Indy's whip to swing to the next building. Assemble the rail so Marion can follow. Defeat the bad guys, then jump down to the floor. Defeat more bad guys. Go to the horse corral at the bottom of the screen. Both players must pull the chain to open the door. Get on a horse, and ride it to the rooftop over the door marked by a number three. Jump off the horse and onto the roof to grab the wrench. Repair the truck with the wrench. Drive the truck through the gate.
Jump onto the roof marked four. Place the basket on the large button at two o'clock, and move the crate onto the button at four o'clock. Place Indy on the button at 10 and Marion on the center button. This opens the gate. Grab the rocket launcher and shoot the gate next to the number four building. Go through the open gate.
Watch the cut scene.
Fight the bad guys. Run to the top right side of the screen and assemble the pieces to make a platform. Climb the rope and jump across the new platform to Dietrich's hiding spot. When he runs away, go to the left side of the screen and move the springboard onto the highlighted spot. Marion must use this jump to get to Dietrich's new hiding spot. Punch him, and he runs away again. Using Indy, run to the top part of the screen and climb the rope, then jump on the rail to climb over to the platform. Use Indy's whip to pull down another platform, then jump to Dietrich's next hiding spot. Punch him again. He'll jump down next to the ark; punch him twice more. The cut scene signals the end of the level.