No missable achievements (plus 14 unknown)
Sign in with Steam or Xbox to track your progress, and:
Kill 5 enemies.
Kill an enemy with your spear offscreen.
Reach the Caves area.
Beat any overworld boss.
Kill any boss without getting hit by it.
Unlock the Underworld.
Find all spear upgrade plants in one run.
Beat the Final Boss.
Beat all bosses in one run.
Beat the game in 25 minutes.
Reach true ending.
Collect all artifact pieces.
Burn all villagers in the Forest while your spear is on fire.
Unlock all enchantments and equipment.