Games like Forsaken Spire
Games like Forsaken Spire include Wobbly Life, DAVE THE DIVER, Chained Together, Jet Island, and Microsoft Flight Simulator (2020) 40th Anniversary Edition. We matched them by the tags players give Forsaken Spire on Steam (Casual, Simulation, Adventure, and Early Access): closest matches first, and among equally close ones the better-known games.

Wobbly Life
Shared: Adventure · Simulation · Casual

DAVE THE DIVER
Shared: Casual · Adventure · Simulation

Chained Together
Shared: Adventure · Casual · Simulation

Jet Island
Shared: Adventure · Casual · VR

Microsoft Flight Simulator (2020) 40th Anniversary Edition
Shared: Simulation · VR · Adventure

Hard Bullet
Shared: VR · Simulation · Early Access

Slime Rancher
Shared: Adventure · Simulation · Casual

EmergeNYC
Shared: Simulation · Early Access · Casual

House Flipper
Shared: Simulation · Casual · Adventure

That's not my Neighbor
Shared: Casual · Adventure · Simulation

Growtopia
Shared: Casual · Simulation · Adventure

Accounting+
Shared: Adventure · Casual · Simulation

Streamer Life Simulator
Shared: Simulation · Casual · Adventure

Feed and Grow: Fish
Shared: Simulation · Early Access · Adventure

Police Enforcement VR : 1-King-27
Shared: Simulation · Adventure · Casual

BeamNG.drive
Shared: Simulation · Early Access · VR

Need For Drink
Shared: Casual · Simulation · Adventure

F1® 24
Shared: Simulation · VR · Early Access

Home Behind
Shared: Adventure · Casual · Simulation

Hotel Renovator
Shared: Simulation · Adventure · Casual

[Chillas Art] The Closing Shift
Shared: Simulation · Adventure · Casual

Hello Kitty Island Adventure
Shared: Adventure · Simulation · Casual

My Time at Portia
Shared: Simulation · Casual · Adventure

Youtubers Life
Shared: Casual · Simulation · Adventure