For building 5 ambulance bases.

For eliminating all mold in the level.

For restoring 6 showpieces.

For removing all trash in level 32.

For removing impenetrable fog in level 2.

For removing an obstacle with explosives for the first time.

For launching Dr. Ross's assembly.

For sending off your first boat.

For the first dog rescue of a person from the water.

For ridding the city of marauders in level 14.

For draining floods using the power pump in level 15.