Here is the full list of all 34 Minishoot' Adventures achievements.
Finish the game in Advanced mode
Beat the true last boss
Win the race against all spirits
Finish the game in Explorer mode (or higher)
Finish the game in Original mode (or higher)
Beat the final boss
Listen closely to the bard for 15 seconds
Downgrade an upgrade
Meet with the quasi-divine entity
Read all the lore from the ancient tablets
Survive a fall from the 5th floor
Find all golden scarabs
Beat the third boss
Reunite the family
Free all your friends
Beat the beach boss
Win a race against a spirit
Beat the second boss
Destroy 50 coconuts
Wake up the giant turtle
Beat the desert boss
Find the source of the corruption
Wake up the tree thanks to the bard
Find three golden scarabs
Destroy 20 big non-boss enemies
Beat the first boss
Break all jars in the family house
Fall into water
In the forest, find the secret path in the secret path!
Find and use the Mini-gun
Find all modules
Finish all stages of the arena
Surrender your power and leave the world
Finish each arena stage with at least 5 hearts left