For repairing the first alarm system.

For ordering the first delivery in level 6.

For fixing the first lantern.

For saving 4 cats. Careful, they might scratch you!

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.

For building 5 hospitals.

For putting up 5 warning signs.

For removing blizzards in level 20.

For repairing the lightning rod in level 23.

For removing 6 lightning balls.

For evacuating people by plane.

For repairing 10 rope bridges.

For repairing 5 helipads.

For chasing away 12 snakes.

For repairing the electrical substation.

For saving dolphins from nets.

For purifying contaminated soil.

For clearing the pond of trash.

For saving 10 animals from thirst.

For showing a checkpoint pass 5 times.

For planting 4 trees.

For repairing 12 electric vehicles.

For starting 11 windmills.

For removing all obstacles in level 49.

For repairing 20 stores.

For building 5 ambulance bases.

For eliminating all mold in the level.

For restoring 6 showpieces.

For removing impenetrable fog in level 2.

For removing all trash in level 32.