Games like Aquarium Anomaly
Games like Aquarium Anomaly include The Exit 8, POOLS, September 7th, Scanner Sombre, and Internet Cafe Simulator 2. We matched them by the tags players give Aquarium Anomaly on Steam (Exploration, Casual, Walking Simulator, Simulation, and First-Person): closest matches first, and among equally close ones the better-known games.

The Exit 8
Shared: Exploration · Walking Simulator · First-Person

POOLS
Shared: Walking Simulator · Exploration · First-Person

September 7th
Shared: Exploration · Walking Simulator · First-Person

Scanner Sombre
Shared: Exploration · Walking Simulator · First-Person

Internet Cafe Simulator 2
Shared: Exploration · Simulation · 3D

Firewatch
Shared: Walking Simulator · Exploration · Atmospheric

What Remains of Edith Finch
Shared: Walking Simulator · Exploration · First-Person

The Long Dark
Shared: Exploration · First-Person · Atmospheric

Slime Rancher
Shared: Exploration · First-Person · Singleplayer

[Chillas Art] The Convenience Store
Shared: Casual · Simulation · Indie

Treasure Hunter Simulator
Shared: Simulation · Casual · Exploration

Bright Lights of Svetlov
Shared: Walking Simulator · Exploration · First-Person

Prison Escape Simulator: Dig Out
Shared: Casual · Simulation · Exploration

Crime Scene Cleaner
Shared: Simulation · First-Person · Singleplayer

The Witness
Shared: Exploration · First-Person · Walking Simulator

The Stanley Parable
Shared: Walking Simulator · First-Person · Exploration

DrainSim
Shared: Casual · Simulation · First-Person

Ultimate Fishing Simulator
Shared: Simulation · 3D · Exploration

Summer of '58
Shared: Walking Simulator · First-Person · Atmospheric

Barn Finders
Shared: Casual · Simulation · Exploration

Dreamcore
Shared: Exploration · Walking Simulator · First-Person

The Beginner's Guide
Shared: Walking Simulator · First-Person · Atmospheric

PowerWash Simulator
Shared: Casual · Simulation · First-Person

DON'T SCREAM
Shared: Walking Simulator · First-Person · Exploration