Games like Grandiose
Games like Grandiose include Oxygen Not Included, Factorio, Stranded: Alien Dawn, RimWorld, and Frostpunk. We matched them by the tags players give Grandiose on Steam (Strategy, Survival, Management, First-Person, and Agriculture): closest matches first, and among equally close ones the better-known games.

Oxygen Not Included
Shared: Survival · Management · Building

Factorio
Shared: Strategy · Survival · Management

Stranded: Alien Dawn
Shared: Survival · Strategy · Base Building

RimWorld
Shared: Survival · Strategy · Management

Frostpunk
Shared: Survival · Strategy · Building

This War of Mine
Shared: Survival · Strategy · Management

Sons Of The Forest
Shared: Survival · First-Person · Building

Raft
Shared: Survival · Building · Crafting

Sheltered
Shared: Survival · Strategy · Management

The Alters
Shared: Survival · Management · Strategy

Manor Lords
Shared: Strategy · Management · Base Building

Rust
Shared: Survival · Building · Crafting

The Last Caretaker
Shared: Survival · First-Person · Management

Farthest Frontier
Shared: Strategy · Building · Agriculture

Satisfactory
Shared: Base Building · Building · Crafting

Against the Storm
Shared: Strategy · Management · Building

Settlement Survival
Shared: Survival · Management · Building

ARK: Survival Evolved
Shared: Survival · Building · Crafting

Medieval Dynasty
Shared: Survival · Building · Crafting

Scrap Mechanic
Shared: Survival · Building · First-Person

Dwarf Fortress
Shared: Strategy · Management · Survival

Kingdoms and Castles
Shared: Management · Strategy · Building

The Forest
Shared: Survival · First-Person · Building

Schedule I
Shared: Management · First-Person · Strategy