Here is the full list of all 25 Charlie's Adventure achievements.
Complete all levels with 3 medals.
Finish the game on any difficulty.
Finish the game on medium difficulty.
Finish the game on hard difficulty.
Get 10 zombies killed by the Arrow Machine.
Kill 200 Zombies.
Get 10 zombies to die by an Axe.
Get 10 zombies killed by the fire.
Collect a total of 500 stars.
Slam the ground and hit a zombie 100 times.
Get 10 zombies killed by the Saw Trap.
Get 10 zombies to die by a Cannon.
Kill 75 Zombies.
Hit the crazy zombie with the bombs with a bullet.
Get the medic zombie to heal you for 100 total health.
Dash trough zombie 100 times.
Collect a total of 100 stars.
Collect all stars on any level.
Finish first level.
Make the zombie that charges you hit a wall.
Slam the ground and hit a zombie 10 times.
Get 10 zombies to be squished by the Stone Trap.
Kill 10 Zombies.
Dash trough zombie 10 times.
Collect a total of 10 stars.