Games like Once in a Blue Moon
Games like Once in a Blue Moon include PowerWash Simulator, Slime Rancher 2, DrainSim, Lushfoil Photography Sim, and Riven. We matched them by the tags players give Once in a Blue Moon on Steam (Casual, Walking Simulator, 3D, Cinematic, and Colorful): closest matches first, and among equally close ones the better-known games.
PowerWash Simulator
Shared: Casual · 3D · First-Person
Slime Rancher 2
Shared: Colorful · First-Person · Casual
DrainSim
Shared: Casual · First-Person · 3D
Lushfoil Photography Sim
Shared: Walking Simulator · Realistic · VR
Riven
Shared: First-Person · 3D · Walking Simulator
Berry Bury Berry
Shared: 3D · First-Person · Casual
Slime Rancher
Shared: First-Person · Colorful · Casual
Submerged
Shared: Walking Simulator · Casual · Family Friendly
Among Us 3D
Shared: Casual · 3D · First-Person
Firewatch
Shared: Walking Simulator · First-Person · Mystery
Fresh Start Cleaning Simulator
Shared: 3D · First-Person · Realistic
Gorilla Tag
Shared: VR · First-Person · 3D
Placid Plastic Duck Simulator
Shared: Casual · 3D · Colorful
PowerWash Simulator 2
Shared: Casual · First-Person · 3D
Garten of Banban
Shared: First-Person · 3D · VR
Before Your Eyes
Shared: Walking Simulator · First-Person · Emotional
Walkabout Mini Golf VR
Shared: 3D · Casual · VR
POOLS
Shared: Walking Simulator · Realistic · First-Person
Ballads of Hongye: REBORN
Shared: Casual · Family Friendly · Colorful
Cooking Simulator VR
Shared: Casual · 3D · VR
Summer of '58
Shared: Walking Simulator · Cinematic · First-Person
The Witness
Shared: First-Person · Colorful · Walking Simulator
Flower
Shared: Casual · Colorful · 3D
Low-Budget Repairs
Shared: Casual · 3D · First-Person