Here is the full list of all 24 Spaceland achievements.
Explosion 5 holes
Repair equipment
Kill Monster
Destroy the military bot
Destroy the shaman
Assemble 7 heroes team
Destroy the professor
Put on 3 items of equipment on the hero
Create all abilities for one hero.
Earn 100 chips
Complete 28 levels per speed
Find 28 secrets
Complete 28 levels in normal difficulty
Explosion 10 walls
Kill one enemy with a geyser
Kill 10 kick Enemies
Kill 10 enemies with a mine
Heal 300 health engineer
Kill 8 enemies with a pistol
Kill 3 enemies with a roach ray
Freeze a grenade 10 enemies
Speed up 3 allies
Locate private Carmine