A1
Appearance
A1 is the first world in the Land of Ruins. At the start of The Talos Principle, the player awakens in this world. After leaving, the player can return to this world through a portal in Building A.
Puzzles
- A Switch Out of Reach
- Only the Two of Us
- Outnumbered
- Peephole
- Poking a Sleeping Lion
- Striding the Beaten Path
- Trio Bombasticus
Sigil Puzzles
There is one sigil puzzle in this world.

Stars
There is one star in this world.