Games like Spacelandia
Games like Spacelandia include Florence, Slime Rancher, SpaceEngine, Alba: A Wildlife Adventure, and DAVE THE DIVER. We matched them by the tags players give Spacelandia on Steam (Casual, Education, Family Friendly, Science, and Exploration): closest matches first, and among equally close ones the better-known games.

Florence
Shared: Casual · Indie · Interactive Fiction

Slime Rancher
Shared: Exploration · Casual · Adventure

SpaceEngine
Shared: Casual · Science · Education

Alba: A Wildlife Adventure
Shared: Casual · Family Friendly · Exploration

DAVE THE DIVER
Shared: Casual · Exploration · Adventure

Mirror 2: Project X
Shared: Casual · Interactive Fiction · 3D

Myst
Shared: VR · Exploration · Point & Click

Electrician Simulator
Shared: Education · Casual · Family Friendly

ABZU
Shared: Casual · Exploration · Family Friendly

A Short Hike
Shared: Exploration · Casual · Adventure

Old Man's Journey
Shared: Casual · Family Friendly · Point & Click

Five Nights at Freddy's: Secret of the Mimic
Shared: VR · Exploration · First-Person

Chill with You : Lo-Fi Story
Shared: Casual · Visual Novel · Education

Slime Rancher 2
Shared: Casual · Family Friendly · Relaxing

Aircar
Shared: VR · Casual · Futuristic

Moss VR
Shared: VR · Casual · Family Friendly

Journey
Shared: Exploration · Casual · Adventure

Universe Sandbox
Shared: Science · Education · Family Friendly

Cell to Singularity - Evolution Never Ends
Shared: Casual · Science · Education

Assemble with Care
Shared: Casual · Family Friendly · Indie

FORM
Shared: VR · Casual · Point & Click

Billionaire Lovers
Shared: Education · Casual · Visual Novel

Botanicula
Shared: Casual · Point & Click · Exploration

Disney Dreamlight Valley
Shared: Exploration · Casual · Family Friendly