AETHERNAUT is a first person puzzle game by Dragon Slumber targetting PCs and consoles, set for a 2022 release. Trapped in a foreboding steampunk underground Construct, the player must use light to solve puzzle rooms and access its core. Different light sources require aether cubes to function, each producing effects such as casting shadows, generating portals, freezing objects in time and time traveling. The player is free to explore the depths of the Construct, openly accessing it's different biomes and uncovering its secrets through recorded messages from its absent citizens. At the behest of Dr. Louis Cornell, they gather vials of orange aether to avoid an unnamed calamity from occurring. Soon however, the player is contact by a mysterious voice in the player's mind, warning against the doctor's lies and begging for their help. The player will need to choose who to trust as they unravel the puzzles. Aethernaut is Dragon Slumber's fourth commercial release, following 2019's Tech Support: Error Unknown which won best pitch at MEGA-MIGS 2018 and nominated for various game awards, during MEGA-MIGS 2018 and Momocon 2019.