Cions of Vega

From the start of the game, go straight and follow the only path to the house.
Enter and go up the ladder to find that it's too dark.
Go back outside to get a lighter.
Go up the ladder and light up the candles around the safe.
Left to 15 and right to 45 to open the safe and get the achievement.

Full achievement walkthrough:

Timestamps in the pinned comment if you are looking for help with specific achievement.