Bonus 4 is the fourth secret solo campaign level in Tom Clancy's Splinter Cell: Team Stealth Action. To unlock complete mission 6 to 9 with 60% success rate. For N-Gage: To unlock complete above with 100% success. Time for success rate: in under 1 minutes 30 seconds to unlock Bonus 9.

High Score: Get to the door at the end of the obstacle course. This is the fastest way. Climb up the ladders until you get to the zipline. Go across and climb the ladder. You should be at the ladder at around 10 seconds. Jump up onto the overhead pipe, go right, tuck your legs in, go through the big pipe, untuck, drop down, and rappel down the wall. Go right, crouch, get past the low ceiling. and jump up to the platform above you. Jump onto the next platform, go right, and fall down in between the wall and the pipe. Crouch and walk through the low ceiling area. Run-jump to each pile of boxes and platforms until you reach a platform with a pipe on it. Climb it, then jump off to the platform on your right. Run jump to each platform until you reach an overhead pipe. Go across and fall down to the last tiny platform before the end of the pipe. Run jump to the next platform. Go right, and go down all the ladders. Once you reach the floor go all the way to the right. When you reach the end, jump up to each of the platforms until you reach a door. Go through it to end this mission.