Discover the depths of your soul with AETHERNAUT, an open world first person puzzle game in the vein of Portal and Talos Principle. Set in a claustrophobic steampunk world, you must solve puzzle rooms using light, sensors, portals and time travel to gather the aether vials and access the core of the Construct.

Your answers will guide the path of the story as you learn why you are able to survive the deadly aether. But as you delve deeper into the abandoned Construct, an unseen entity tries to make contact, pleading for your help.

- Solve over 100 puzzle rooms.
- Explore a vast open world by jumping, ledge grabbing and portaling.
- Master the three aether cubes through light driven puzzle design.
- Reveal your personality through probing questions.
- Uncover the secrets of the Construct through voice recordings left by its citizens.
- Discover multiple endings depending on how you complete puzzles.
- Accessible gameplay with simple controls.