Here is the full list of all 30 Terror of Hemasaurus achievements.
Destroy 25 blimps.
Complete 10 stages on Endless Mode.
Complete the arcade story mode.
100% the UFO stage.
Destroy 50 police helicopters.
Kill 1,000 enemies.
Destroy 100 Helicopters.
Destroy 100 cars.
Kill 5,000 civilians.
Throw or kick 50 humans into the blades of a helicopter.
Kill 300 enemies.
Kill 10 Shepherds of the Holy Lizard.
Destroy 25 Helicopters.
Kill 100 enemies.
Kill 1,000 civilians.
Destroy 20 cars.
Kill 20,000 civilians.
Kick a single person 10 times in a row.
Destroy 50 police cars.
Destroy 50 SWAT vans.
Destroy 50 military trucks.
Destroy 50 SWAT helicopters.
Destroy 50 military helicopters.
Complete 40 stages on Endless Mode.
Complete 100 stages on Endless Mode.
Eat 25 airborne people.
Make 20 pairs of humans collide in midair.
Kick away 10 incoming rockets.
Complete the simulation in under 1 minute.
Catch 50 airborne people.